Grade 12CrMo
Corresponding Standard NB /T 47008-2017
Carbon and Alloy Steel Forgings for Pressure Equipment
Classification Alloy Steel
12CrMo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.08 0.15 0.4 - - 0.4 - - 0.4
Maximum Value 0.15 0.4 0.7 0.025 0.015 0.7 0.3 0.2 0.55
12CrMo 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≤100 N+T or Q+T (Tempering Temperature ≥620°C) 410~570 ≥255 ≥21 *
121~174
20°C
≥47
t≤100 ≥193
≥187
≥181
≥175
≥170
≥165
≥159
≥150
≥140
12CrMo Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!