Grade 13MnNiMoNbR
China ISC A63138
Corresponding Standard GB 6654-1996
Steel Plates for Pressure Vessels
Classification Alloy Steel
13MnNiMoNbR Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Nb
Minimum Value - 0.15 1.2 - - 0.2 0.6 0.2 0.005
Maximum Value 0.15 0.5 1.6 0.025 0.025 0.4 1 0.4 0.02

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