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U71MnSiCu

Favorite Datasheet

China GB U71MnSiCu 铁路用热轧钢轨 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: U71MnSiCu / U71MnSiCu
Category Grade Standard Region/Area Standard Content
Metals U71MnSiCu GB 2585 China 铁路用热轧钢轨

Chemical composition(mass fraction)(wt.%) of the U71MnSiCu

Element Min Max Similar
Ti - 0.0250 -
Sb - 0.0200 -
Sn - 0.0400 -
Ni - 0.1000 -
Mo - 0.0200 -
Cr - 0.1500 -
V - 0.0300 -
Si 0.7000 1.1000 -
S - 0.0300 -
P - 0.0300 -
Cu+10Sn - 0.3500 -
Nb - 0.0100 -
Mn 0.8000 1.2000 -
Cu 0.1000 0.4000 -
Cr+Ni+Cu+Mo - 0.3500 -
C 0.6400 0.7600 -

Mechanical Properties of steel grade U71MnSiCu

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)
881 (≥) 586 (≥) 22 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade U71MnSiCu

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
22 - -     0.13 -  
392 935 - 42.3 131   -  
894 - 33 31.2   432 324

Heat Treatment of steel grade U71MnSiCu

Heat treated : 1544°C - 1545°C

Technological Curves of steel grade U71MnSiCu

Cross Reference Table (Equivalent Grade) of U71MnSiCu

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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