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Description

China GBT 1J12 non-retentive alloy and 1J12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J12
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J12 GBT China non-retentive alloy
0Cr21Al6
1Cr20Al3
0Cr21Al6Nb
0Cr27Al7Mo2
Cr20Ni80
Cr30Ni70
Cr15Ni60
Cr20Ni35
Cr20Ni30
1J06

Chemical composition(mass fraction)(wt.%) of the 1J12

C(%) Si(%) Mn(%) P(%) S(%) Al(%) Fe(%)
0.03 ≤0.15 ≤0.10 0.015 0.015 11.6-12.4 Bal

Mechanical Properties of steel grade 1J12

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)
256 (≥) 543 (≥) 32 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 1J12

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
21 - -     0.41 -  
854 223 - 44.3 122   -  
617 - 43 43.2   144 414

Heat Treatment of steel grade 1J12

Heat treated : 1958°C - 1814°C

Technological Curves of steel grade 1J12

Cross Reference Table (Equivalent Grade) of 1J12

Grade Standard Country Application
1J12 GBT China non-retentive alloy

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