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WH1250B

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China 舞钢Q/WTB WH1250B 重载矿车专用钢WH1250技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WH1250B / WH1250B
Category Grade Standard Region/Area Standard Content
Metals WH1250B WYJ 121 China 重载矿车专用钢WH1250技术条件

Chemical composition(mass fraction)(wt.%) of the WH1250B

Element Min Max Similar
B - 0.0040 -
Mo - 0.4000 -
Cr - 0.4000 -
S - 0.0080 -
P - 0.0200 -
Mn - 1.6000 -
Si - 0.4000 -
C - 0.1600 -

Mechanical Properties of steel grade WH1250B

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)
194 (≥) 556 (≥) 23 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade WH1250B

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 - -     0.23 -  
313 115 - 34.3 341   -  
595 - 34 42.2   212 413

Heat Treatment of steel grade WH1250B

Heat treated : 1944°C - 1427°C

Technological Curves of steel grade WH1250B

Cross Reference Table (Equivalent Grade) of WH1250B

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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