Grade | Chemical Composition | Mechanical Properties | ||||||||||||
AIST | EN | C | Si | Mn | P | S | Ni | Cr | Others | Yield Strength | Tensile | Elongation | Hardness | |
UNS | max | max | max | max | max | max | N/mm2 | N/mm2 | % | HV | HRB | |||
Austenitic stainless steels | ||||||||||||||
201 | ** | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 1 | 16.00-18.00 | N0.25 | 245 | 640 | 40 | 253 | 100 |
202 | ** | 0.15 | 1 | 7.5-10 | 0.06 | 0.03 | 4.00-6.00 | 17.00-19.00 | N0.25 | 245 | 590 | 40 | 218 | 95 |
301 | 1.431 | 0.15 | 1 | 2 | 0.045 | 0.03 | 6.00-8.00 | 16.00-18.00 | _ | ≥205 | ≥520 | ≥40 | ≤218 | ≤95 |
301L | 1.4318 | 0.03 | 1 | 2 | 0.045 | 0.03 | 6.00-8.00 | 16.00-18.00 | N:0.20 | ≥215 | ≥550 | ≥45 | ≤218 | ≤95 |
304 | 1.4301 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.50 | 18.00-20.00 | _ | ≥205 | ≥520 | ≥40 | ≤200 | ≤90 |
304L | 1.4307 | 0.03 | 1 | 2 | 0.045 | 0.03 | 9.00-13.00 | 18.00-20.00 | _ | ≥175 | ≥480 | ≥40 | ≤200 | ≤90 |
316 | 1.4401 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 | Mo:2.00-3.00 | ≥205 | ≥520 | ≥40 | ≤200 | ≤90 |
316L | 1.4404 | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 | Mo:2.00-3.00 | ≥175 | ≥480 | ≥40 | ≤200 | ≤90 |
321 | 1.4541 | 0.08 | 1 | 2 | 0.045 | 0.03 | 9.00-13.00 | 17.00-19.00 | Ti:5*C% | ≥205 | ≥520 | ≥40 | ≤200 | ≤90 |
309S | 1.4833 | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.00-15.00 | 22.00-24.00 | _ | ≥205 | ≥520 | ≥40 | ≤200 | ≤90 |
310S | 1.4845 | 0.08 | 1.5 | 2 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 | _ | ≥205 | ≥520 | ≥40 | ≤200 | ≤90 |
Ferritic stainless steels | ||||||||||||||
409L | 1.4512 | 0.03 | 1 | 1 | 0.04 | 0.03 | _ | 10.50-11.75 | Ti:6*C%-0.75 | ≥175 | ≥360 | ≥25 | ≤175 | ≤80 |
410 | 1.4006 | 0.15 | 1 | 1 | 0.04 | 0.03 | _ | 11.50-13.50 | _ | ≥205 | ≥440 | ≥20 | ≤210 | ≤93 |
410L | 1.4003 | 0.03 | 1 | 1 | 0.04 | 0.03 | _ | 11.00-13.50 | _ | ≥195 | ≥360 | ≥22 | ≤200 | ≤88 |
439 | 1.451 | 0.03 | 1 | 1 | 0.04 | 0.03 | 0.5 | 17.00-19.00 | Ti:(0.20+4*(C+N))-1.10,Al:0.15:N:0.030 | ≥205 | ≥415 | ≥22 | ≤200 | ≤89 |
434 | 1.4113 | 0.12 | 1 | 1 | 0.04 | 0.03 | _ | 16.00-18.00 | _ | ≥205 | ≥450 | ≥22 | ≤200 | ≤88 |
444 | 1.4521 | 0.025 | 1 | 1 | 0.04 | 0.03 | _ | 17.00-20.00 | Mo:1.75-2.50 Ti,Nb,Zr:8*(C%+N%)-0.80 | ≥245 | ≥410 | ≥20 | ≤230 | ≤96 |
430 | 1.4016 | 0.12 | 1 | 1 | 0.04 | 0.03 | _ | 16.00-18.00 | _ | ≥205 | ≥420 | ≥22 | ≤200 | ≤88 |
Martensitic stainless steels | ||||||||||||||
420 | 1.4021 | 0.16-0.25 | 1 | 1 | 0.04 | 0.03 | _ | 12.00-14.00 | _ | ≥225 | ≥520 | ≥18 | ≥234 | ≥97 |
420JS | 1.4028 | 0.26-0.40 | 1 | 1 | 0.04 | 0.03 | _ | 12.00-14.00 | _ | ≥225 | ≥540 | ≥18 | ≥247 | ≥99 |