Stainless Steel 321/321H Flanges
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
Types of Stainless Steel 321/321H Flanges
| Stainless Steel 321/321H Slip On Flanges | SS 321 Raised Face Slip On Flanges 321H SS Slip On Plate Flanges 321 Stainless Steel Slip On Flanges SS UNS S32100 Slip On Flanges SS WERKSTOFF NR. 1.4541 45 SORF Flanges ASME SA182 321H Slip On Flanges |
| Stainless Steel 321/321H Weld Neck Flanges | SS 321 Raised Face Weld Neck Flanges 321H SS Weld Neck Flanges 321 Stainless Steel Weld Neck Flange SS UNS S32100 Weld Neck Flanges SS WERKSTOFF NR. 1.4541 Weld Neck Flange ASTM A182 321 Stainless Steel WNRF Flange |
| Stainless Steel 321/321H Blind Flanges | SS 321H Raised Face Blind Flanges 321 SS Blind Flanges 321H Stainless Steel Blind Flange SS UNS S32100 Blind Flanges SS WERKSTOFF NR. 1.4541 Blind Flange ASTM A182 321 Stainless Steel BLRF Flanges |
| Stainless Steel 321/321H Orifice Flanges | SS 321 Orifice Flanges 321 SS Orifice Flanges 321H Stainless Steel Orifice Flanges SS UNS S32100 Orifice Flanges SS WERKSTOFF NR. 1.4541 Orifice Flanges A182 321H Stainless Steel Orifice Flanges |
Types of Stainless Steel 321/321H Flanges
321/321H Flanges Chemical Composition
| SS 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 |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Stainless Steel 321/321H Flanges 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 Industrial Pipe Flanges
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
