Grade 40CrMoVA
Corresponding Standard GB /T 20410-2006
Steels for Turbine Bolts at High Temperature
Classification Alloy Steel
40CrMoVA Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value 0.36 0.15 0.45 - - 0.8 - - 0.5 0.25
Maximum Value 0.44 0.35 0.7 0.025 0.025 1.15 0.3 0.25 0.65 0.35
40CrMoVA Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Bolt Quenching + Tempering ≥860 ≥720 ≥18 HBW10/3000
255~321
≥34
Bolt High Temperature Tempering ≤269
40CrMoVA Corresponding Standards(Same grade name, different standards)

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