Grade 12Mn2A
Corresponding Standard GJB 2151-1994
Specification for Cold-rolled Alloy Structure Steel Sheets for Aerospace
Classification Alloy Steel
12Mn2A Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value 0.08 0.17 1.2 - - - - -
Maximum Value 0.15 0.37 1.6 0.025 0.025 0.3 0.3 0.25
12Mn2A Mechanical Properties
form Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Cold rolled steel plate Delivery Condition 390~570 ≥22
12Mn2A Corresponding Standards(Same grade name, different standards)

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