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12MnCuCr

Favorite Datasheet

China GB 12MnCuCr 焊接结构用耐候钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12MnCuCr / 12MnCuCr
Category Grade Standard Region/Area Standard Content
Metals 12MnCuCr GB 4172 China 焊接结构用耐候钢

Chemical composition(mass fraction)(wt.%) of the 12MnCuCr

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0400 -
Mn 0.6000 1.0000 -
Cu 0.2000 0.4000 -
Cr 0.3000 0.6500 -
C 0.0800 0.1500 -

Mechanical Properties of steel grade 12MnCuCr

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)
723 (≥) 935 (≥) 34 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 12MnCuCr

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 - -     0.44 -  
392 241 - 11.3 434   -  
489 - 31 21.2   331 121

Heat Treatment of steel grade 12MnCuCr

Heat treated : 1138°C - 1761°C

Technological Curves of steel grade 12MnCuCr

Cross Reference Table (Equivalent Grade) of 12MnCuCr

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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