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JK 7142

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Global 企业标准 JK7142 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JK7142 / JK 7142
Category Grade Standard Region/Area Standard Content
Metals JK 7142 -- Global

Chemical composition(mass fraction)(wt.%) of the JK 7142

Element Min Max Similar
W - - -
Si - - 2.0000
Other - - 5.5000
Ni - - 39.0000
Fe - - 1.5000
C - - 3.5000

Mechanical Properties of steel grade JK 7142

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)
613 (≥) 253 (≥) 44 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade JK 7142

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
33 - -     0.24 -  
796 344 - 43.3 442   -  
559 - 12 33.2   214 423

Heat Treatment of steel grade JK 7142

Heat treated : 1428°C - 1257°C

Technological Curves of steel grade JK 7142

Cross Reference Table (Equivalent Grade) of JK 7142

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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