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42CrMo4

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China 舞钢Q/WTB 42CrMo4 "05CK-81"合同钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 42CrMo4 / 42CrMo4
Category Grade Standard Region/Area Standard Content
Metals 42CrMo4 WJX 048 China "05CK-81"合同钢板技术条件

Chemical composition(mass fraction)(wt.%) of the 42CrMo4

Element Min Max Similar
Cr 0.9000 1.2000 -
Mo 0.1500 0.2500 -
S - 0.0250 -
P - 0.0350 -
Mn 0.6000 0.9000 -
Si - 0.3500 -
C 0.3800 0.4500 -
Cr 0.9000 1.2000 -
Mo 0.1500 0.2500 -
S - 0.0250 -
P - 0.0350 -
Mn 0.6000 0.9000 -
Si - 0.3500 -
C 0.3800 0.4500 -
Cr 0.9000 1.2000 -
Mo 0.1500 0.3000 -
S - 0.0250 -
P - 0.0250 -
Mn 0.6000 0.9000 -
Si - 0.3500 -
C 0.3800 0.4500 -
Mo 0.1500 0.3000 -
Cr 0.9000 1.2000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.6000 0.9000 -
Si - 0.4000 -
C 0.3800 0.4500 -

Mechanical Properties of steel grade 42CrMo4

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
684 (≥) 567 (≥) 14 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 42CrMo4

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.42 -  
519 838 - 24.3 114   -  
435 - 24 34.2   131 221

Heat Treatment of steel grade 42CrMo4

Heat treated : 1927°C - 1212°C

Technological Curves of steel grade 42CrMo4

Cross Reference Table (Equivalent Grade) of 42CrMo4

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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