Chinese-made American standard steel plate grades ASTM A204A Chemical composition of pressure vessel plates&Mechanical properties
ASTM A204A Approaching Steel Plate Grade Lookup Table

Grade Chemical composition Mechanical properties Remark
C Mn Si S P Cr Ni Mo … ReH Rm KV₂ 8inch[200mm]，% 2inch[50mm]，%
ASTM A204 A 0.18-0.25 0.9-0.98 0.13-0.45 0.035 0.035 - - 0.45-0.6 37 [255] 70-90 [485-620] 19 23