Stainless Steel 321/321H Buttweld Fittings
Stainless Steel 321/321H Pipe Fittings Specifications |
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| Specifications | : | ASTM A403 / ASME SA403 |
| Size | : | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards |
: | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | : | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | : | Seamless / Welded / Fabricated |
Types of Stainless Steel 321/321H Buttweld Fittings
| Stainless 321/321H Steel | SS 321 45 Degree Elbow 321 SS 90 Degree Elbow 321H Stainless Steel 45 Degree Elbow SS UNS S32100 45 Degree Elbow SS WERKSTOFF NR. 1.4541 45 Degree Elbow ASME SA403 321H 90 Degree Elbow |
| Stainless Steel 321/321H Pipe Fittings | SS 321 Pipe Fittings 321H SS Buttweld Fitting 321 Stainless Steel Pipe Fitting SS UNS S32100 Buttweld Fitting SS WERKSTOFF NR. 1.4541 Pipe Fittings ASTM A403 321H Stainless Steel Buttweld Fitting |
| Stainless Steel 321/321H Eccentric Reducer | SS 10d Pipe Bend SS 321 Eccentric Reducer 321H SS Eccentric Reducer 32H1 Stainless Steel Eccentric Reducer SS UNS S32100 Eccentric Reducer SS WERKSTOFF NR. 1.4541 Eccentric Reducer ASTM A403 WP 321 Stainless Steel Eccentric Reducer |
| Stainless Steel 321/321H Concentric Reducer | SS 321 Concentric Reducer 321 SS Concentric Reducer 321H Stainless Steel Concentric Reducer SS UNS S32100 Concentric Reducer SS WERKSTOFF NR. 1.4541 Concentric Reducer |
Types of Stainless Steel 321/321H Buttweld Fittings
SS 321/321H Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| 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 Buttweld Fittings 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 Fitting
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
