Chinese-made American standard steel plate grades A537 Type3 Chemical composition of pressure vessel plates&Mechanical properties
A537 Type3 Approaching Steel Plate Grade Lookup Table

Grade Chemical composition Mechanical properties Remark
C Mn Thickness(Mm) Si S P Ni Al Cr Cu Mo … ReH Thickness mm Rm Thickness mm KV₂ Elongation% Thickness mm
A537 Type3 0.24 ≤ 40mm >40mm 0.15-0.50 0.035 0.035 0.25 0.25 0.35 0.08 ≤ 65 65-100 100-150 ≤ 65 ≤ 65 ≤ 65 ≤ 65 ≤ 65 ≤ 65
0.70-1.35 1.00-1.60 380 345 275 550-690 515-655 485-620 22 20 -