Chinese-made German standard steel plate grades DIN 17155 HII Chemical composition of pressure vessel plates&Mechanical properties
DIN 17155 HII Approaching Steel Plate Grade Lookup Table

Grade Chemical composition Mechanical properties Remark
C Mn Si S P Ni Al Cr Cu Mo … ReH Rm KV₂ A% Gauge length 50mm A% Gauge length 200mm
HII 0.2 0.50-1.30 0.35 0.03 0.035 0.02 0.25 0.3 0.1