We are leading manufacturer, exporter & suppliers of high quality ASTM A312 TP 321 Stainless Steel Pipes & tubes, ASTM A358 TP 321 Stainless Steel EFW Pipes, Welded Pipes, Seamless Pipes. These pipes & tubes are smoothly processed by our highly veteran experts by using basic material according to the market prevalent norms. We manufacture in both seamless as well as welded construction. We make use of the latest machines and best technology to fabricate the pipes made available by us. These pipes & tubes are available in various sizes, shapes as per the requirements of our clients.
Specification : |
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| Specifications | : | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Dimensions | : | ASTM, ASME and API |
| 321 Pipes & Tubes | : | 1/2" NB - 24" NB |
| ERW 321 Pipes & Tubes | : | 1/2" NB - 24" NB |
| EFW 321 Pipes & Tubes | : | 6" NB - 100" NB |
| Tubing Size | : | 1/8″NB TO 30″NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 321 | 1.4541 | S32100 | - | - | - | - | - |
Production according to national and international standards (e.g. ASME, ASTM, API, EN, DNV, etc.)
| Grade | C | Mn | Si | P | S | Cr | N | Ni | TI | |
| 321 | Min | - | - | - | - | - | 17.0 | - | 9.00 | 5(C+N) |
| max | 0.08 | 2.00 | 1.00 | 0.045 | 0.030 | 19.0 | 0.10 | 12.00 | 0.70 max |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40% | 95 | 217 |
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
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| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
