300 Series Grade ASTM 201 304 310 316 321 904L A276 2205 2507 4140 310S 1010

300 Series Grade ASTM 201 304 310 316 321 904L A276 2205 2507 4140 310S 1010

ZHONGNENG UNION 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 ≤l.0 7.5-10.0 ≤0.06 ≤ 0.03 4.0-6.0 17.0-19.0 - 301 ≤0 .15 ≤l.0 ≤2.0 ≤0.045 ≤ 0.03 ...