Grade WNM400
Corresponding Standard Q/WTB WYJ 110-2009
Technical Specifications for Heavy Thickness Wear-Resistant Steel Plates WNM360 and WNM400
Classification Alloy Steel
WNM400 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Mo B
等级A Minimum Value - - - - - - - -
Maximum Value 0.24 0.7 1.6 0.02 0.01 1.4 0.5 0.004
  Component C Si Mn P S Cr Ni Mo B
等级B Minimum Value - - - - - - - - -
Maximum Value 0.24 0.6 1.6 0.02 0.01 1.4 1 0.5 0.004
WNM400 Mechanical Properties
condition Mark
Hardness
HBW
Impact Energy Absorption
KV2
J
Steel plate WNM400A ≥360 -
Steel plate WNM400B ≥360 ≥20

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