Stainless steel 321 Welded Pipe is similar to type 304 stainless but with a titanium addition of at least five times the carbon content. SS 321 Seamless Pipe cannot be hardened by thermal treatment. SS 321H Pipes is a heat resistant, titanium stabilized, austenitic alloy that's commonly used for service in the 1000 – 1600 Degree F temperature range. Stainless steel 321 Pipes is readily welded by all common methods including submerged arc. We are a distinguished supplier and stockiest of SS 321 / 321H Pipe, where we offer the same at standard and customized sizes.
LIST OF STAINLESS STEEL 321/321H PIPES
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- STAINLESS STEEL 321 WELDED PIPES
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- STAINLESS STEEL 321H PIPE
Stainless steel 321 Welded Pipe is similar to type 304 stainless but with a titanium addition of at least five times the carbon content. SS 321 Seamless Pipe cannot be hardened by thermal treatment. SS 321H Pipes is a heat resistant, titanium stabilized, austenitic alloy that's commonly used for service in the 1000 – 1600 Degree F temperature range. Stainless steel 321 Pipes is readily welded by all common methods including submerged arc. We are a distinguished supplier and stockiest of SS 321 / 321H Pipe, where we offer the same at standard and customized sizes.
Equivalent Grades for 321/321H Stainless Steel Pipe
| Grade | North America | France | European | Japan | Russia | European | Italy | Austria | Sweden |
| UNS | AFNOR | W.N. | JIS | GOST | EN | UNI | ONORM | SIS | |
| SS 321 | S32100 | – | 1.4541 | SUS 321 | – | X6CrNiTi18-10 | – | – | – |
321/321H SS Welded Pipes Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Tie |
| SS TP 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
Stainless Steel 321/321H Seamless 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 % |
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