Stainless Steel 321 / 321H Pipe
| Specifications | : | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
| Dimensions | : | ASTM, ASME and API |
| SS 321/321H Pipes | : | 1/2″ NB – 16″ NB |
| ERW 321/321H Pipes | : | 1/2″ NB – 24″ NB |
| EFW 321/321H Pipes | : | 6″ NB – 100″ NB |
| 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 |
Types of Stainless Steel Welded Pipes
| Stainless Steel 321 Seamless Pipe | SS 321 Seamless Pipe 321H SS Seamless Pipe 321 Stainless Steel Seamless Pipe UNS S32109 Seamless Pipe WERKSTOFF NR. 1.4541 Seamless Pipe ASTM A312 TP 321 Stainless Steel Seamless Pipes |
| Stainless Steel 321 Welded Pipe | SS 321H Welded Pipe 321 SS Welded Pipe SS 321 ERW Pipe SS 321H EFW Pipe Stainless Steel 321/321H ERW Pipe Stainless Steel 321 EFW Pipe 321 Stainless Steel Welded Pipe UNS S32100 Welded Pipe WERKSTOFF NR. 1.4541 Welded Pipe ASTM A312 TP 321 Stainless Steel Welded Pipes |
| Stainless Steel 321 Round Pipe | SS 321H Round Pipe 321 SS Round Pipe 321H Stainless Steel Round Pipe UNS S32109 Round Pipe SS UNS S32109Round Pipe ASTM A312 TP 321 Stainless Steel Round Pipes |
| Stainless Steel 321H Square Pipe | SS 321 Square Pipe 321 SS Square Pipe 321H Stainless Steel Square Pipe UNS S32100 Square Pipe WERKSTOFF NR. 1.4878 Square Pipe ASTM A312 TP 321 Stainless Steel Square Pipes |
| Stainless Steel 321 Rectangular Pipe | 321H SS Rectangular Pipe 321 Stainless Steel Rectangular Pipe UNS S32109 Rectangular Pipe WERKSTOFF NR. 1.4541 Rectangular Pipe ASTM A312 TP 321 Stainless Steel Rectangular Pipes |
321/321H Stainless Steel Pipe Available Sizes:
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
| 1/8″ | ✔️ | ✔️ | ✔️ | ✔️ | |
| 1/4″ | ✔️ | ✔️ | ✔️ | ✔️ | |
| 3/8″ | ✔️ | ✔️ | ✔️ | ✔️ | |
| 1/2″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 3/4″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 1″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 1 1/4″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 1 1/2″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 2″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 2 1/2″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 3″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 4″ | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ |
| 5″ | ✔️ | ✔️ | ✔️ | ✔️ | |
| 6″ | ✔️ | ✔️ | ✔️ | ✔️ |
321/321H Stainless Steel Pipes Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 317L | min. | – | – | – | – | – | 18.0 | 3.00 | 11.0 | – |
| max. | 0.03 | 2.0 | 0.75 | 0.040 | 0.03 | 20.0 | 4.00 | 15.0 | – | |
Stainless Steel 321/321H Pipe Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Equivalent Grades for 321/321H Stainless Steel Pipe
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
