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JK 7660

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Global 企业标准 JK7660 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JK7660 / JK 7660
Category Grade Standard Region/Area Standard Content
Metals JK 7660 -- Global

Chemical composition(mass fraction)(wt.%) of the JK 7660

Element Min Max Similar
Si - - 4.4000
Other - - 15.0000
Ni - - -
Fe - - 4.0000
C - - 0.7000

Mechanical Properties of steel grade JK 7660

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)
862 (≥) 776 (≥) 31 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade JK 7660

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 - -     0.23 -  
469 757 - 31.3 122   -  
454 - 12 23.2   421 421

Heat Treatment of steel grade JK 7660

Heat treated : 1569°C - 1482°C

Technological Curves of steel grade JK 7660

Cross Reference Table (Equivalent Grade) of JK 7660

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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