Chinese-made German standard steel plate grades DIN 17155 17Mn4 Chemical composition of pressure vessel plates&Mechanical properties
DIN 17155 17Mn4 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
17Mn4 0.14-0.20 0.90-1.40 0.4 0.03 0.035 0.3 0.02 0.25 0.3 0.1