| Series | Grades |
|---|---|
| 200 Series | 201, AISI202 |
| 300 Series | 301, 304, 304L, 316, 316L, 321, 317, 317L, 347, 347H, 309S, 310, 310S |
| 400 Series | 410, 410S, 420J1, 420J2, 430, 409L, 443, 439, 441, 444, 436L |
| Duplex Steel | 904L, 2205, 2507, S32760, 254SMO |
| Grade | C | Si | Mn | P | S | Ni | Cr |
|---|---|---|---|---|---|---|---|
| AISI201 | ≤0.15 | ≤1.00 | 5.5-7.5 | ≤0.060 | ≤0.03 | 3.50-5.50 | 16.00-18.00 |
| AISI202 | ≤0.15 | ≤1.00 | 7.5-10.0 | ≤0.060 | ≤0.03 | 4.0-6.0 | 17.00-19.00 |
| AISI304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.00-10.5 | 18.00-20.00 |
| AISI346L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 12.00-15.00 | 16.00-18.00 |
| AISI309S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 12.00-15.00 | 22.00-24.00 |
| AISI310S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 19.00-22.00 | 17.00-19.00 |
| AISI321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 9.00-13.00 | 10.50-17.50 |
| AISI409L | ≤0.08 | ≤1.00 | ≤1.00 | ≤0.045 | ≤0.03 | ≤0.50 | 16.00-18.00 |
| AISI430 | ≤0.12 | ≤0.75 | ≥1.00 | ≤0.040 | ≤0.03 | ≤0.60 | 16.00-19.00 |
| AISI436L | ≤0.025 | / | / | / | / | / | 17.00-19.00 |
| AISI439 | ≤0.03 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.03 | ≤0.50 | 17.5-19.5 |
| AISI441 | ≤0.015 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.03 | ≤0.50 | 17.5-19.5 |
| AISI444 | ≤0.025 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.03 | ≤1.00 | 17.5-19.5 |
| Grade | Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Elongation (%) | Hardness (HRB) | Hardness (HV) | Hardness (HB) |
|---|---|---|---|---|---|---|
| AISI201 | ≥270 | ≥520 | ≥40 | ≤100 | ≤253 | ≤241 |
| AISI202 | ≥245 | ≥590 | ≥40 | ≤95 | ≤218 | ≤207 |
| AISI304 | ≥205 | ≥520 | ≥40 | ≤90 | ≤200 | ≤187 |
| AISI346L | ≥175 | ≥480 | ≥40 | ≤90 | ≤200 | ≤187 |
| AISI309S | ≥205 | ≥520 | ≥40 | ≤90 | ≤200 | ≤187 |
| AISI310S | ≥205 | ≥520 | ≥40 | ≤90 | ≤200 | ≤187 |
| AISI321 | ≥205 | ≥520 | ≥40 | ≤90 | ≤200 | ≤187 |
| AISI409L | ≥175 | ≥360 | ≥25 | ≤80 | ≤175 | ≤162 |
| AISI430 | ≥205 | ≥450 | ≥22 | ≤88 | ≤200 | ≤183 |
| AISI439 | ≥245 | ≥410 | ≥20 | ≤96 | ≤230 | ≤217 |
| AISI441 | ≥302 | ≥495 | ≥35 | ≤96 | ≤170 | ≤217 |
| AISI444 | ≥245 | ≥410 | ≥20 | ≤96 | ≤230 | ≤217 |
