Grade 25Cr2Mo1V
Corresponding Standard NB /T 47008-2017
Carbon and Alloy Steel Forgings for Pressure Equipment
Classification Alloy Steel
25Cr2Mo1V Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu Mo V
Minimum Value 0.22 0.17 0.5 - - 2.1 - 0.9 0.3
Maximum Value 0.29 0.37 0.8 0.025 0.015 2.5 0.25 1.1 0.5
25Cr2Mo1V Mechanical Properties
thickness
t
mm
Test Temperature Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
t≤150 Room Temperature N+T 785~965 ≥640 ≥15 240~280 20°C
≥47
150<t≤200 Room Temperature N+T 735~915 ≥590 ≥16 240~280 20°C
≥47
25Cr2Mo1V Corresponding Standards(Same grade name, different standards)

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