Stainless Steel Pipes & Tubes | ASTM A312, A213, A269, A249
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Descriptions
Navkar Metal Syndicate is a trusted manufacturer, stockist, and exporter of Stainless Steel Pipes and Tubes engineered to meet international quality standards. Our products are designed for durability, corrosion resistance, and superior surface finish — suitable for diverse industrial, structural, and decorative applications.
We supply a comprehensive range of seamless, welded, ERW, EFW, and fabricated stainless steel pipes and tubes in round, square, rectangular, and hydraulic forms. These are produced according to leading international standards such as ASTM A312, A213, A269, A249, A358, A554, and A789.
Available Grades
| Category | Common Grades | UNS / EN Equivalent |
|---|---|---|
| Austenitic Stainless Steel | 304, 304L, 304H, 310, 310S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H | Chemical Equivalents: C ≤ 0.03%, Cr 17–19%, Ni 8–13%, Mo up to 3% |
| Ferritic Stainless Steel | 409, 409L, 410, 420, 430, 446 | Excellent oxidation resistance and heat tolerance |
| Martensitic Stainless Steel | 410, 420, 431, 440A/B/C | High hardness, strength, and wear resistance |
| Duplex & Super Duplex Steel | 2205 (UNS S31803 / S32205), 2507 (UNS S32750 / S32760) | Excellent corrosion resistance in chloride and seawater environments |
| Heat-Resistant Grades | 310, 310S, 321, 347 | High-temperature strength and oxidation resistance |
| Special Grades | 904L, 254 SMO (S31254), Alloy 20, 17-4 PH | High alloy content for critical chemical and marine applications |
Types & Manufacturing Standards
- Seamless Pipes & Tubes: ASTM A312, A213, A269, A789
- Welded / ERW / EFW Pipes: ASTM A312, A249, A358, A554
- Instrumentation & Capillary Tubes: ASTM A269, A632
- Sanitary & Polished Tubes: ASTM A554, suitable for food & pharma industries
- Heat Exchanger & Boiler Tubes: ASTM A213 / A249 (TP304, TP316, TP321, TP347)
Surface Finish Options
Mill Finish, Bright Annealed, Pickled & Passivated, Polished (No.4, BA, Mirror, 180–600 grit) — supplied as per customer requirements and application standards.
Applications
- Chemical & Petrochemical Processing
- Oil & Gas Refineries
- Food & Beverage Industries
- Heat Exchangers & Condensers
- Pharmaceutical & Dairy Equipment
- Architecture & Decorative Structures
- Marine, Pulp & Paper, and Desalination Plants
All Stainless Steel Pipes & Tubes from Navkar Metal Syndicate are supplied with Mill Test Certificates (EN 10204 3.1/3.2), dimensional inspection reports, and export-quality packaging to ensure safe global delivery.
Chemical Composition
The following table summarizes the key chemical compositions (percent by weight) of major Stainless Steel Grades (AISI / ASTM) commonly used for seamless, welded, and decorative pipes and tubes. These compositions comply with ASTM standards such as A312, A213, A269, A249, A358, and A554, covering austenitic, ferritic, martensitic, and duplex stainless steels.
The chemical composition of stainless steels determines their corrosion resistance, strength, and fabrication characteristics. The following table provides typical composition ranges (in weight %) for commonly supplied grades of Stainless Steel Pipes and Tubes by Navkar Metal Syndicate.
| Grade (AISI) | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr (%) | Ni (%) | Mo (%) | Other Elements |
|---|---|---|---|---|---|---|---|---|---|
| J7 | 0.10 | 8.50–10.00 | 0.09 | 0.03 | 0.75 | 15.00–16.00 | 0.25–0.50 | — | — |
| J4 | 0.10 | 8.50–10.00 | 0.09 | 0.03 | 0.75 | 15.00–16.00 | 0.80–1.20 | — | — |
| 201 | 0.15 | 5.50–7.50 | 0.06 | 0.03 | 1.00 | 16.00–18.00 | 3.50–5.50 | — | N 0.25 |
| 202 | 0.15 | 7.50–10.00 | 0.06 | 0.03 | 1.00 | 17.00–19.00 | 4.00–6.00 | — | N 0.25 |
| 301 | 0.15 | 2.00 | 0.045 | 0.03 | 1.00 | 16.00–18.00 | 6.00–8.00 | — | — |
| 302 | 0.15 | 2.00 | 0.045 | 0.03 | 1.00 | 17.00–19.00 | 8.00–10.00 | — | — |
| 304 | 0.08 | 2.00 | 0.045 | 0.03 | 0.75 | 18.00–20.00 | 8.00–11.00 | — | — |
| 304L | 0.035 | 2.00 | 0.045 | 0.03 | 0.75 | 18.00–20.00 | 8.00–13.00 | — | — |
| 304H | 0.04–0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 18.00–20.00 | 8.00–11.00 | — | — |
| 305 | 0.12 | 2.00 | 0.045 | 0.03 | 0.75 | 17.00–19.00 | 10.50–13.00 | — | — |
| 308 | 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 19.00–21.00 | 10.00–12.00 | — | — |
| 309 / 309S | 0.20 / 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 22.00–24.00 | 12.00–15.00 | — | — |
| 310 / 310S | 0.25 / 0.08 | 2.00 | 0.045 | 0.03 | 1.50 | 24.00–26.00 | 19.00–22.00 | — | — |
| 316 | 0.08 | 2.00 | 0.045 | 0.03 | 0.75 | 16.00–18.00 | 11.00–14.00 | 2.00–3.00 | — |
| 316L | 0.035 | 2.00 | 0.045 | 0.03 | 0.75 | 16.00–18.00 | 10.00–15.00 | 2.00–3.00 | — |
| 316H | 0.04–0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 16.00–18.00 | 11.00–14.00 | 2.00–3.00 | — |
| 316Ti | 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 16.00–18.00 | 10.00–14.00 | 2.00–2.50 | Ti ≥ 5×C |
| 317 / 317L | 0.08 / 0.035 | 2.00 | 0.045 | 0.03 | 0.75 | 18.00–20.00 | 11.00–15.00 | 3.00–4.00 | — |
| 321 / 321H | 0.08 / 0.04–0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 17.00–19.00 | 9.00–13.00 | — | Ti ≥ 5×C |
| 347 / 347H | 0.08 / 0.04–0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 17.00–19.00 | 9.00–13.00 | — | Nb + Ta ≥ 10×C |
| 409L | 0.03 | 1.00 | 0.04 | 0.02 | 1.00 | 10.50–11.70 | 0.05 | — | Ti ≥ 6×(C+N) |
| 410 / 410S | 0.15 / 0.08 | 1.00 | 0.04 | 0.03 | 1.00 | 11.50–13.50 | 0.60–0.75 | — | — |
| 420 | 0.15 Min | 1.00 | 0.045 | 0.03 | 1.00 | 10.50–15.50 | 1.00–2.50 | — | Mo 0.2–1.2 |
| 429 | 0.12 | 1.00 | 0.04 | 0.03 | 1.00 | 14.00–16.00 | — | — | Ti stabilized |
| 430 / 430Ti | 0.12 | 1.25 | 0.06 | 0.03 | 1.00 | 16.00–18.00 | — | — | Ti ≤ 0.75 |
| 439 / 441 / 444 | 0.03 / 0.03 / 0.025 | 1.00 | 0.04 | 0.03 | 1.00 | 17.00–19.50 | 0.5–1.0 | 1.75–2.50 | Ti + Nb stabilized |
| S31803 (Duplex 2205) | 0.025 | 1.00 | 0.04 | 0.03 | 1.00 | 21.00–23.00 | 4.50–6.50 | 2.50–3.50 | N ≤ 0.20 |
Note: Composition values are indicative of ASTM / ASME / EN standards (A240, A312, A213, A249, A554). Specific chemical ranges may vary slightly depending on the manufacturing standard and heat analysis.
Mechanical, Physical & Fabrication Properties
Stainless steels possess a combination of mechanical and physical properties that make them suitable for diverse industrial and structural applications. Meeting the mechanical property requirements specified by ASTM, ASME, and EN standards ensures that the material has been properly manufactured to an appropriate quality system and can safely perform under design conditions.
Key Mechanical Properties
| Property | Description |
|---|---|
| Tensile Strength | Defines the maximum stress a material can withstand while being stretched or pulled. It is the most common property specified for bars, tubes, and wires. |
| Yield Strength | The stress level at which the material begins to deform permanently. For austenitic stainless steels, yield strength is typically only 40–45% of tensile strength, compared to mild steel at 65–70%. |
| Elongation (Ductility) | Measures the percentage of elongation before fracture during tensile testing. Annealed austenitic grades show elongations of 60–70%, providing excellent formability and deep draw capability. |
| Hardness | Indicates resistance to surface indentation or wear. Measured by Brinell (HB), Rockwell (HR), or Vickers (HV) tests. Martensitic and precipitation hardening grades can be hardened by heat treatment, while others harden through cold working. |
Typical Strengths for Annealed Stainless Steel Families
Table 2 below outlines typical tensile and yield strengths for different stainless steel families in the annealed condition:
| Stainless Steel Family | Tensile Strength (MPa) | Yield Strength (MPa) | Remarks |
|---|---|---|---|
| Austenitic | ~600 | ~250 | Excellent ductility and corrosion resistance |
| Duplex | ~700 | ~450 | High strength and chloride stress corrosion resistance |
| Ferritic | ~500 | ~280 | Good scaling resistance, magnetic |
| Martensitic | ~650 | ~350 | Can be hardened by heat treatment |
| Precipitation Hardening | ~1100 | ~1000 | Exceptional strength after aging treatment |
Yield Strength & Work Hardening
Cold working significantly increases yield strength. For instance, spring-tempered wire can reach a yield strength equal to 80–95% of its tensile strength. This property makes stainless steel ideal for structural and dynamic applications such as springs, fasteners, and flexible connectors.
Ductility
Stainless steel exhibits outstanding ductility, allowing for severe forming operations like deep drawing, bending, and spinning. Austenitic grades, particularly 304 and 316, maintain high elongation values even after forming, enabling complex fabrication with minimal cracking risk.
Hardness
Hardness is a key indicator of wear resistance. - Brinell (HB) – used for thicker materials. - Rockwell (HR) – widely used for general steels. - Vickers (HV) – used for small sections or thin materials. Hardness conversion charts exist, but conversions between scales are approximate due to differing indenter geometries.
Physical Properties of Stainless Steel
| Property | Description |
|---|---|
| Corrosion Resistance | Stainless steels resist corrosion due to a self-healing chromium oxide layer. Even when scratched or cut, the layer reforms, maintaining protection. |
| High / Low Temperature Resistance | Withstands both cryogenic and elevated temperatures (up to 1150°C in certain grades like 310S). |
| Ease of Fabrication | Can be cut, welded, machined, and formed using standard steel fabrication equipment. |
| High Strength-to-Weight Ratio | Cold working can significantly improve strength, allowing thinner material use and reduced weight. |
| Aesthetic Appeal | Available in multiple finishes (No.1, 2B, BA, No.4, Mirror), easy to polish and maintain. |
| Hygiene and Cleanability | Non-toxic and easy to sanitize, ideal for food, beverage, and pharmaceutical processing. |
| Long Life Cycle | Durable, low maintenance, and cost-effective over the product’s lifetime. |
| Recyclability | 100% recyclable; typically contains 50–80% recycled content. |
| Magnetic Permeability | Austenitic grades (304, 316) are non-magnetic; ferritic and martensitic grades are magnetic. |
Corrosion Resistance
The chromium content (minimum ~10.5%) provides self-passivating corrosion protection. Higher-alloyed grades (like 316, 317L, 904L, Duplex 2205) offer excellent resistance in acidic, alkaline, and chloride-rich environments.
Temperature Resistance
Certain stainless steels retain strength and oxidation resistance up to 1150°C (e.g., 310S), while others maintain toughness at cryogenic temperatures. This makes stainless steel suitable for heat exchangers, furnaces, and cryogenic tanks.
Workability & Fabrication
Most grades are easily fabricated — cut, welded, bent, and machined. Work hardening allows high strength after cold forming, reducing required section thickness and cost.
Magnetic Permeability
Austenitic grades (304, 316) are non-magnetic in annealed condition, though slight magnetism may appear after cold working. Ferritic and martensitic grades (409, 430, 410) are strongly magnetic.
Applications
Navkar Metal Syndicate supplies a complete range of Stainless Steel Pipes and Tubes across all major AISI grades — from economical J-series to high-performance austenitic, ferritic, martensitic, and duplex types. Each grade offers distinct advantages depending on mechanical properties, corrosion resistance, and temperature capability.
| Grade (AISI / UNS) | Typical Applications |
|---|---|
| J7 / J4 | Low-nickel, cost-effective stainless steel used in decorative furniture tubing, kitchen equipment, railings, and general fabrications under mild environments. |
| 201 / 202 | Architectural railings, structural tubing, kitchenware, sinks, and automotive trims; moderate corrosion resistance for indoor or mildly corrosive environments. |
| 301 / 302 | High-strength structural tubing, automotive components, conveyor belts, and spring applications; excellent work hardening properties. |
| 304 / 304L / 304H | Most widely used stainless steel for general purpose piping, heat exchangers, dairy and food processing, water and waste systems, and architectural tubing. |
| 305 / 308 | Electrical components, deep-drawn parts, welding consumables, and exhaust systems requiring superior formability and oxidation resistance. |
| 309 / 309S | High-temperature furnace tubes, heat exchangers, radiant tubes, and refinery heaters; excellent oxidation and scaling resistance up to 1000°C. |
| 310 / 310S | Reheating furnaces, annealing covers, power plant exhausts, and heat treatment equipment; withstands oxidation up to 1150°C. |
| 316 / 316L / 316H / 316Ti | Marine and offshore piping, chemical process equipment, pharmaceutical systems, and desalination plants; superior pitting resistance in chloride environments. |
| 317 / 317L | Paper and pulp processing, chemical tanks, and marine environments; higher Mo content improves resistance to acid attack and pitting. |
| 321 / 321H | Aircraft exhaust manifolds, expansion bellows, and high-temperature piping; titanium-stabilized for intergranular corrosion resistance after welding. |
| 347 / 347H | Refinery and petrochemical heat exchangers, high-temperature welded systems, superheaters, and boiler tubes; Nb/Ta stabilized variant of 304H. |
| 409L | Automotive exhaust systems, silencers, mufflers, and catalytic converter housings; ferritic, heat-resistant and economical stainless steel. |
| 410 / 410S / 420 | Steam turbine blades, pump shafts, valve parts, and general engineering components; martensitic steels with excellent mechanical strength and moderate corrosion resistance. |
| 429 / 430 / 430Ti | Decorative architectural panels, kitchen equipment, washing machine drums, and automotive trims; ferritic, magnetic, and oxidation resistant. |
| 439 / 441 / 444 | Automotive exhaust systems, hot water tanks, and heat exchanger tubing; enhanced corrosion resistance over 409L and excellent weldability. |
| S31803 (Duplex 2205) | Desalination plants, chemical processing, offshore oil & gas pipelines, and marine structures; duplex microstructure offers superior strength and chloride stress-corrosion resistance. |
Note: All grades are available in Seamless, Welded, ERW, EFW, and Fabricated Pipes & Tubes conforming to ASTM A312, A213, A269, A249, A554, and related standards. Each product is supplied with complete Mill Test Certificates (EN 10204 3.1/3.2) and export-quality packaging.
Standards & International Equivalents:
The following table lists the international equivalents and specifications applicable to Stainless Steel Pipes and Tubes supplied by Navkar Metal Syndicate. These grades comply with ASTM, ASME, EN, DIN, JIS, and UNS standards for seamless, welded, and decorative tubing.
| AISI / Grade | UNS Number | ASTM / ASME Standard | EN / European Equivalent | DIN Equivalent | JIS Equivalent |
|---|---|---|---|---|---|
| J7 / J4 | — | ASTM A554 / A249 | — | 1.4371 (approx.) | SUS J4 |
| 201 | S20100 | ASTM A240 / A312 / A554 | 1.4372 | X12CrMnNiN17-7-5 | SUS201 |
| 202 | S20200 | ASTM A240 / A312 / A554 | 1.4373 | X12CrMnNiN18-9-5 | SUS202 |
| 301 | S30100 | ASTM A240 / A666 | 1.4310 | X10CrNi18-8 | SUS301 |
| 302 | S30200 | ASTM A240 / A666 | 1.4319 | X12CrNi18-9 | SUS302 |
| 304 | S30400 | ASTM A240 / A312 / A213 / A269 | 1.4301 | X5CrNi18-10 | SUS304 |
| 304L | S30403 | ASTM A240 / A312 / A249 / A554 | 1.4307 | X2CrNi18-9 | SUS304L |
| 304H | S30409 | ASTM A240 / A312 / A358 | 1.4948 | X6CrNi18-10 | SUS304H |
| 305 | S30500 | ASTM A240 | 1.4303 | X5CrNi19-9 | SUS305 |
| 308 | S30800 | ASTM A240 | — | — | — |
| 309 / 309S | S30900 / S30908 | ASTM A240 / A312 | 1.4828 / 1.4833 | X15CrNiSi20-12 | SUS309 / SUS309S |
| 310 / 310S | S31000 / S31008 | ASTM A240 / A312 / A213 | 1.4841 | X15CrNi25-20 | SUS310 / SUS310S |
| 316 | S31600 | ASTM A240 / A312 / A213 / A269 | 1.4401 | X5CrNiMo17-12-2 | SUS316 |
| 316L | S31603 | ASTM A240 / A312 / A249 / A554 | 1.4404 | X2CrNiMo17-12-2 | SUS316L |
| 316H | S31609 | ASTM A240 / A312 | 1.4919 | X5CrNiMo17-12-2 | SUS316H |
| 316Ti | S31635 | ASTM A240 / A312 | 1.4571 | X6CrNiMoTi17-12-2 | SUS316Ti |
| 317 / 317L | S31700 / S31703 | ASTM A240 / A312 / A213 | 1.4449 / 1.4438 | X3CrNiMo17-13-3 | SUS317 / SUS317L |
| 321 / 321H | S32100 / S32109 | ASTM A240 / A312 / A213 | 1.4541 | X6CrNiTi18-10 | SUS321 / SUS321H |
| 347 / 347H | S34700 / S34709 | ASTM A240 / A312 / A213 | 1.4550 | X6CrNiNb18-10 | SUS347 / SUS347H |
| 409L | S40903 | ASTM A240 / A268 | 1.4512 | X2CrTi12 | SUS409L |
| 410 / 410S | S41000 / S41008 | ASTM A240 / A268 | 1.4006 / 1.4000 | X12Cr13 | SUS410 / SUS410S |
| 420 | S42000 | ASTM A240 / A276 | 1.4021 | X20Cr13 | SUS420 |
| 429 | — | ASTM A240 | 1.4510 | X14CrTi17 | SUS429 |
| 430 / 430Ti | S43000 | ASTM A240 / A268 | 1.4016 / 1.4510 | X6Cr17 | SUS430 / SUS430Ti |
| 439 / 441 / 444 | S43035 / S43940 / S44400 | ASTM A240 / A268 | 1.4510 / 1.4509 / 1.4521 | X3CrTi17 / X2CrTiNb18 / X2CrMoTi18-2 | SUS439 / SUS441 / SUS444 |
| S31803 (Duplex 2205) | S31803 / S32205 | ASTM A240 / A790 / A789 | 1.4462 | X2CrNiMoN22-5-3 | SUS2205 |
Note: All materials comply with relevant ASTM / ASME (A240, A312, A213, A269, A249, A554) standards. European (EN), German (DIN), and Japanese (JIS) equivalents are indicative and should be verified per project specifications.
Common Names & International Identifiers
The following table lists common trade names, alternate designations, and international identifiers used for various Stainless Steel Pipe and Tube Grades. These equivalents help correlate regional naming systems such as AISI / ASTM, EN, DIN, UNS, and JIS.
| AISI / Grade | UNS / WNR | Common / Trade Name | Typical European Name (EN / DIN) | JIS Equivalent |
|---|---|---|---|---|
| J7 / J4 | — | Low Nickel Stainless / Chromium–Manganese Stainless | ~1.4371 | SUS J4 |
| 201 | S20100 | Cr–Mn–Ni Stainless / 18-8M | 1.4372 | SUS201 |
| 202 | S20200 | Cr–Mn–Ni Stainless / 18-8MN | 1.4373 | SUS202 |
| 301 | S30100 | 17-7 Stainless / Full Hard Stainless | 1.4310 | SUS301 |
| 302 | S30200 | 18-8 Stainless | 1.4319 | SUS302 |
| 304 | S30400 | 18-8 Stainless / A2 Stainless / Food Grade SS | 1.4301 | SUS304 |
| 304L | S30403 | Low Carbon 18-8 / A2-70 Stainless | 1.4307 | SUS304L |
| 304H | S30409 | High Carbon 304 / Heat Resistant 304 | 1.4948 | SUS304H |
| 305 | S30500 | Extra Deep Drawing Stainless | 1.4303 | SUS305 |
| 308 | S30800 | Welding Grade Stainless (Filler Material) | — | SUS308 |
| 309 / 309S | S30900 / S30908 | Heat-Resisting Stainless / Furnace Tube Grade | 1.4828 / 1.4833 | SUS309 / SUS309S |
| 310 / 310S | S31000 / S31008 | 25-20 Stainless / High Temperature SS | 1.4841 | SUS310 / SUS310S |
| 316 | S31600 | Marine Grade / 18-10-2 Stainless / A4 Stainless | 1.4401 | SUS316 |
| 316L | S31603 | Low Carbon Marine Grade / A4-70 Stainless | 1.4404 | SUS316L |
| 316H | S31609 | High Carbon 316 / Heat Resistant 316 | 1.4919 | SUS316H |
| 316Ti | S31635 | Titanium Stabilized 316 / Anti-Sensitization Grade | 1.4571 | SUS316Ti |
| 317 / 317L | S31700 / S31703 | High Mo Austenitic / Chemical Process Grade | 1.4449 / 1.4438 | SUS317 / SUS317L |
| 321 / 321H | S32100 / S32109 | Titanium Stabilized 304 / Heat-Resisting SS | 1.4541 | SUS321 / SUS321H |
| 347 / 347H | S34700 / S34709 | Niobium Stabilized 304 / High Temp SS | 1.4550 | SUS347 / SUS347H |
| 409L | S40903 | Automotive Exhaust Grade / Low-Cost Ferritic SS | 1.4512 | SUS409L |
| 410 / 410S | S41000 / S41008 | Martensitic Stainless / 13% Cr Steel | 1.4006 / 1.4000 | SUS410 / SUS410S |
| 420 | S42000 | Cutlery Steel / High Carbon Martensitic SS | 1.4021 | SUS420 |
| 429 | — | Ferritic Stainless / Automotive Trim Grade | 1.4510 | SUS429 |
| 430 / 430Ti | S43000 | 18% Cr Ferritic / Magnetic SS / Decorative Grade | 1.4016 / 1.4510 | SUS430 / SUS430Ti |
| 439 / 441 / 444 | S43035 / S43940 / S44400 | Enhanced Ferritic Stainless / Automotive Exhaust Grade | 1.4510 / 1.4509 / 1.4521 | SUS439 / SUS441 / SUS444 |
| S31803 (Duplex 2205) | S31803 / S32205 | Duplex Stainless Steel / 22Cr Duplex | 1.4462 | SUS2205 |
Note: Common trade names like 18/8 Stainless (304), Marine Grade (316), and Duplex 2205 (S31803) are used interchangeably in different regions. Each grade supplied by Navkar Metal Syndicate adheres to ASTM, ASME, EN, and JIS standards with complete traceability and Mill Test Certificates (EN 10204 3.1).
Common Product Forms & Dimensions
Nominal Bore, Outside Diameter, Schedule, Thickness & Weight Chart — Stainless Steel Pipes & Tubes
The following table provides the nominal bore sizes, outside diameters, wall thicknesses, and theoretical weights per meter for stainless steel pipes and tubes according to different schedules (Sch 5S, 10S, 40S, 80S, 160S, and XXS).
| Nominal Bore (mm) |
INCH | Outside Diameter (mm) |
Sch-5S | Sch-10S | Sch-40S | Sch-80S | Sch-160S | Sch-XXS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wt (mm) | Weight (Kg/mt) | Wt (mm) | Weight (Kg/mt) | Wt (mm) | Weight (Kg/mt) | Wt (mm) | Weight (Kg/mt) | Wt (mm) | Weight (Kg/mt) | Wt (mm) | Weight (Kg/mt) | |||
| 3 | 1/8 | 10.3 | 1.24 | 0.276 | 1.24 | 0.28 | 1.73 | 0.37 | 2.41 | 0.47 | – | – | – | – |
| 6 | 1/4 | 13.7 | 1.24 | 0.390 | 1.65 | 0.49 | 2.24 | 0.631 | 3.02 | 0.80 | – | – | – | – |
| 10 | 3/8 | 17.1 | 1.24 | 0.490 | 1.65 | 0.63 | 2.31 | 0.845 | 3.20 | 1.10 | – | – | – | – |
| 15 | 1/2 | 21.3 | 1.65 | 0.800 | 2.11 | 1.00 | 2.77 | 1.27 | 3.75 | 1.62 | 4.75 | 1.94 | 7.47 | 2.55 |
| 20 | 3/4 | 26.7 | 1.65 | 1.03 | 2.11 | 1.28 | 2.87 | 1.68 | 3.91 | 2.20 | 5.54 | 2.89 | 7.82 | 3.63 |
| 25 | 1 | 33.4 | 1.65 | 1.30 | 2.77 | 2.09 | 3.38 | 2.50 | 4.55 | 3.24 | 6.35 | 4.24 | 9.09 | 5.45 |
| 32 | 1 1/4 | 42.2 | 1.65 | 1.65 | 2.77 | 2.70 | 3.56 | 3.38 | 4.85 | 4.47 | 6.35 | 5.61 | 9.70 | 7.77 |
| 40 | 1 1/2 | 48.3 | 1.65 | 1.91 | 2.77 | 3.11 | 3.68 | 4.05 | 5.08 | 5.41 | 7.14 | 7.25 | 10.16 | 9.54 |
| 50 | 2 | 60.3 | 1.65 | 2.40 | 2.77 | 3.93 | 3.91 | 5.44 | 5.54 | 7.48 | 8.74 | 11.10 | 11.07 | 13.44 |
| 65 | 2 1/2 | 73.0 | 2.11 | 3.69 | 3.05 | 5.26 | 5.16 | 8.63 | 7.01 | 11.40 | 9.53 | 14.90 | 14.20 | 20.39 |
| 80 | 3 | 88.9 | 2.11 | 4.51 | 3.05 | 6.45 | 5.49 | 11.30 | 7.62 | 15.20 | 11.10 | 21.30 | 15.24 | 27.65 |
| 100 | 4 | 114.3 | 2.11 | 5.84 | 3.05 | 8.36 | 6.02 | 16.07 | 8.56 | 22.30 | 13.49 | 33.54 | 17.12 | 41.03 |
| 125 | 5 | 141.3 | 2.77 | 9.47 | 3.40 | 11.57 | 6.55 | 21.80 | 9.53 | 31.97 | 15.88 | 49.11 | 19.05 | 57.43 |
| 150 | 6 | 168.3 | 2.77 | 11.32 | 3.40 | 13.84 | 7.11 | 28.30 | 10.97 | 42.70 | 18.20 | 67.56 | 21.95 | 79.22 |
| 200 | 8 | 219.1 | 2.77 | 14.79 | 3.76 | 19.96 | 8.18 | 42.60 | 12.70 | 64.60 | 23.00 | 111.20 | 22.23 | 107.80 |
| 250 | 10 | 273.1 | 3.40 | 22.63 | 4.19 | 27.78 | 9.27 | 60.50 | 12.70 | 96.00 | 28.60 | 172.40 | 25.40 | 155.15 |
| 300 | 12 | 323.9 | 3.96 | 31.25 | 4.57 | 36.00 | 9.52 | 73.88 | 12.70 | 132.00 | 33.32 | 238.76 | 25.40 | 186.97 |
| 350 | 14 | 355.6 | 3.96 | 34.36 | 4.78 | 41.30 | 11.13 | 94.59 | 19.05 | 158.08 | 35.71 | 281.70 | – | – |
| 400 | 16 | 406.4 | 4.19 | 41.56 | 4.78 | 47.29 | 12.70 | 123.30 | 21.41 | 203.33 | 40.46 | 365.11 | – | – |
| 450 | 18 | 457.2 | 4.19 | 46.80 | 4.78 | 53.42 | 14.27 | 155.80 | 23.80 | 254.36 | 45.71 | 466.40 | – | – |
| 500 | 20 | 508.0 | 4.78 | 59.25 | 5.54 | 68.71 | 15.09 | 183.42 | 26.19 | 311.20 | 49.99 | 564.68 | – | – |
| 600 | 24 | 609.6 | 5.54 | 82.47 | 6.35 | 94.45 | 17.48 | 255.41 | 30.96 | 442.08 | 59.54 | 808.22 | – | – |
Note: Weights are theoretical and based on typical stainless steel density (approx. 8.00 g/cm³). Actual values may vary slightly depending on manufacturing tolerances.
Stainless Steel Pipe OD Chart
A.S.A. Pipe Schedules – two-row layout per pipe size (Row-1 = Wall Thickness in inches, Row-2 = Weight)
| PIPE SIZE (in) | OD (inches) | A.S.A. Pipe Schedules | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5S | 5 | 10S | 10 | 20 | 30 | 40S & Std. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | DBL E.H. | ||
| 8 | 8.625 | .109 | .109 | .148 | .148 | .250 | .277 | .322 | .322 | .406 | .500 | .500 | .593 | .718 | .812 | .906 | .885 |
| 9.914 | 9.914 | 13.40 | 13.40 | 22.36 | 24.70 | 28.55 | 28.55 | 35.64 | 43.39 | 43.39 | 50.87 | 60.93 | 67.76 | 74.69 | 72.42 | ||
| 9 | 9.625 | – | – | – | – | – | .342 | – | – | – | .500 | – | – | – | – | – | – |
| – | – | – | – | – | 33.90 | – | – | – | 48.72 | – | – | – | – | – | – | ||
| 10 | 10.750 | .134 | .134 | .165 | .165 | .250 | .307 | .365 | .365 | .500 | .500 | .593 | .718 | .843 | 1.000 | 1.125 | – |
| 15.19 | 15.19 | 18.65 | 18.70 | 28.04 | 34.24 | 40.48 | 40.48 | 54.74 | 54.74 | 64.33 | 76.93 | 89.20 | 104.10 | 115.70 | – | ||
| 11 | 11.750 | – | – | – | – | – | .375 | – | – | – | .500 | – | – | – | – | – | – |
| – | – | – | – | – | 45.55 | – | – | – | 60.07 | – | – | – | – | – | – | ||
| 12 | 12.750 | .156 | .165 | .180 | .180 | .250 | .330 | .375 | .406 | .562 | .500 | .687 | .843 | 1.000 | 1.125 | 1.312 | – |
| 21.07 | 22.18 | 24.16 | 24.20 | 33.38 | 43.77 | 49.56 | 53.53 | 73.16 | 65.42 | 88.51 | 107.20 | 125.50 | 139.70 | 160.3 | – | ||
| 14 | 14.000 | .156 | – | .188 | .250 | .312 | .375 | .375 | .437 | .593 | .500 | .750 | .937 | 1.093 | 1.250 | 1.406 | – |
| 23.07 | – | 27.73 | 36.71 | 45.38 | 54.57 | 54.57 | 63.37 | 84.91 | 72.09 | 106.10 | 130.70 | 150.70 | 170.20 | 189.10 | – | ||
| 16 | 16.000 | .165 | – | .188 | .250 | .312 | .375 | .375 | .500 | .656 | .500 | .843 | 1.031 | 1.218 | 1.427 | 1.593 | – |
| 27.90 | – | 31.75 | 42.05 | 52.36 | 62.58 | 62.58 | 82.77 | 107.50 | 82.77 | 136.50 | 164.80 | 192.30 | 223.50 | 245.10 | – | ||
| 18 | 18.000 | .165 | – | .188 | .250 | .312 | .437 | .375 | .562 | .750 | .500 | .937 | 1.156 | 1.375 | 1.562 | 1.781 | – |
| 31.43 | – | 35.76 | 47.39 | 59.03 | 82.06 | 70.59 | 104.20 | 138.20 | 93.45 | 170.80 | 208.00 | 244.10 | 274.20 | 308.50 | – | ||
| 20 | 20.000 | .188 | – | .218 | .250 | .375 | .500 | .375 | .593 | .812 | .500 | 1.031 | 1.280 | 1.500 | 1.750 | 1.968 | – |
| 39.78 | – | 46.05 | 52.73 | 78.60 | 104.10 | 78.60 | 122.90 | 166.40 | 104.10 | 208.90 | 256.10 | 296.40 | 341.10 | 379.00 | – | ||
| 22 | 22.000 | .188 | – | .218 | .250 | .375 | .500 | .375 | – | .875 | .500 | 1.125 | 1.375 | 1.625 | 1.875 | 2.125 | – |
| 43.80 | – | 50.71 | 58.07 | 86.61 | 114.81 | 86.61 | – | 197.41 | 114.81 | 250.81 | 302.88 | 353.61 | 403.00 | 451.06 | – | ||
| 24 | 24.000 | .218 | – | .250 | .250 | .375 | .562 | .375 | .687 | .968 | .500 | 1.218 | 1.531 | 1.812 | 2.062 | 2.344 | – |
| 55.37 | – | 63.41 | 63.41 | 94.62 | 140.80 | 94.62 | 171.20 | 238.10 | 125.50 | 296.40 | 367.40 | 429.40 | 483.10 | 542.13 | – | ||
| 26 | 26.000 | – | – | – | .312 | .500 | – | .375 | – | – | .500 | – | – | – | – | – | – |
| – | – | – | 85.60 | 136.17 | – | 102.63 | – | – | 136.17 | – | – | – | – | – | – | ||
| 28 | 28.000 | – | – | – | .312 | .500 | .625 | .375 | – | – | – | – | – | – | – | – | – |
| – | – | – | 92.26 | 146.85 | 182.73 | 110.64 | – | – | – | – | – | – | – | – | – | ||
| 30 | 30.000 | .250 | – | .312 | .312 | .500 | .625 | .375 | – | – | .500 | – | – | – | – | – | – |
| 79.43 | – | 98.93 | 98.93 | 157.53 | 196.08 | 118.65 | – | – | 157.53 | – | – | – | – | – | – | ||
| 32 | 32.000 | – | – | – | .312 | .500 | .625 | .375 | .688 | – | .500 | – | – | – | – | – | – |
| – | – | – | 105.59 | 168.21 | 209.43 | 126.66 | 230.08 | – | 168.21 | – | – | – | – | – | – | ||
| 34 | 34.000 | – | – | – | .312 | .500 | .625 | .375 | .688 | – | – | – | – | – | – | – | – |
| – | – | – | 112.25 | 178.89 | 222.78 | 134.67 | 244.77 | – | – | – | – | – | – | – | – | ||
| 36 | 36.000 | – | – | – | .312 | – | .625 | .375 | .750 | – | .500 | – | – | – | – | – | – |
| – | – | – | 118.92 | – | 236.13 | 142.68 | 282.35 | – | 189.57 | – | – | – | – | – | – | ||
Notes: Row-1 in each size shows wall thickness (inches). Row-2 shows the associated weight values exactly as provided. “–” indicates not listed.
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