321/321H Stainless Steel
WLD Steel is a leading manufacturer, supplier and exporter of the stainless steel 321/321H available in a number of different sizes and forms including pipe, tube, sheet, plate, bar, rod and other shapes like an angel, channel, circle, cut piece and so on. Type 321 (UNS S32100) is titanium stabilized Austenitic stainless steel with excellent resistance to intergranular corrosion and high-temperature properties. Alloy 321H (UNS S 32109) is the higher carbon version of the alloy, was used for where enhanced creep resistance required or higher strength at temperatures above 537°C.
What’s the 321/321H available forms and specifications at WLD Steel?
| Sheet/Plate/Coil | Seamless Pipe/Tube | Welded Pipe/Tube | Round Bar | Formed Steel(Shaped) |
| ASTM A240 | ASTM A789
ASTM A790 |
ASTM A928 | ASTM A276
ASTM A479 |
ASTM A276 |
321/321H Steel Equivalent Materials
| Standards | DIN | UNS | JIS | GB |
| 321 | 1.4541 / 1.4878 | S32100 | SUS321 | 06Cr18Ni11Ti |
| 321H | / | 321S20 | SUS 321H | / |
321/321H Chemical Composition
| Grades | Cr | Ni | C | Si | Mn | P | S | Ti |
| 321 | 17.0 -19.0 |
9.0 -12.0 |
0.08 | 0.75 | 2.0 | 0.045 | 0.03 | ≤5 x (C + N) min.-0.70 |
| 321H | 17.0 -19.0 |
9.0 -12.0 |
0.04- 0.10 |
0.75 | 2.0 | 0.045 | 0.03 | ≤4 x (C + N) min.-0.70 |
321/321H Mechanical Properties
| Grade | Tensile Strength | Yield Strength 0.2% | Elongation -% | Hardness |
| 321/321H | 515 | 205 | 40 | 217Brinell |
