Chinese-made German standard steel plate grades DIN 17155 HI Chemical composition of pressure vessel plates&Mechanical properties
DIN 17155 HI 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
HI 0.16 0.40-1.20 0.35 0.025 0.03 0.02 0.3 0.3 0.08