Chemical composition:

Grade C Si Mn P S       Ni Cr   Mo
201 ≤0.15 ≤0.75 5.5-7.5 ≤0.06 ≤0.03 3.5-5.5 16.0-18.0
202 ≤0.15 ≤1.0 7.5-10.0 ≤0.06 ≤0.03 4.-6.0 17.0-19.0
301 ≤0.15 ≤1.0 ≤2.0 ≤0.045 ≤0.03 6.0-8.0 16.0-18.0
302 ≤0.15 ≤1.0 ≤2.0 ≤0.035 ≤0.03 8.0-10.0 17.0-19.0
304 ≤0.08 ≤1.0 ≤2.0 ≤0.045 ≤0.03 8.0-10.5 18.0-20.0
304L ≤0.03 ≤1.0 ≤2.0 ≤0.035 ≤0.03 9.0-13.0 18.0-20.0
309S ≤0.08 ≤1.0 ≤2.0 ≤0.045 ≤0.03 12.0-15.0 22.0-24.0
310S ≤0.08 ≤1.5 ≤2.0 ≤0.035  ≤0.03 19.0-22.0 24.0-26.0
316 ≤0.08 ≤1.0 ≤2.0 ≤0.045 ≤0.03 10.0-14.0 16.0-18.0 2.0-3.0
316L ≤0.03 ≤1.0 ≤2.0 ≤0.045 ≤0.03 12.0-15.0 16.0-18.0 2.0-3.0
321 ≤0.08 ≤1.0 ≤2.0 ≤0.035 ≤0.03 9.0-13.0 17.0-19.0
904L ≤2.0 ≤0.045 ≤1.0 ≤0.035 23.0-28.0 19.0-23.0 4.0-5.0
2205 ≤0.03 ≤1.0 ≤2.0 ≤0.030 ≤0.02 4.5-6.5 22.0-23.0 3.0-3.5
2507 ≤0.03 ≤0.80 ≤1.2 ≤0.035 ≤0.02 6.0-8.0 24.0-26.0 3.0-5.0
2520 ≤0.08 ≤1.5 ≤2.0 ≤0.045 ≤0.03 0.19-0.22 0.24-0.26
410 ≤0.15 ≤1.0 ≤1.0 ≤0.035 ≤0.03 11.5-13.5
430 0.12 ≤0.75 ≤1.0 ≤0.040 ≤0.03 ≤0.60 16.0-18.0