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1J18

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1J17 1J22
#1J18

Description

China GBT 1J18 non-retentive alloy and 1J18 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J18
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J18 GBT China non-retentive alloy
Cr20Ni80
Cr30Ni70
Cr15Ni60
Cr20Ni35
Cr20Ni30
1J06
1J12
1J13
1J16
1J17

Chemical composition(mass fraction)(wt.%) of the 1J18

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Ti(%) Fe(%)
0.03 ≤0.15 0.30-0.70 0.020 0.020 17.0-18.5 0.5-0.7 0.30-0.70 Bal

Mechanical Properties of steel grade 1J18

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)
211 (≥) 143 (≥) 33 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 1J18

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
32 - -     0.34 -  
515 434 - 21.3 324   -  
899 - 41 42.2   123 311

Heat Treatment of steel grade 1J18

Heat treated : 1483°C - 1546°C

Technological Curves of steel grade 1J18

Cross Reference Table (Equivalent Grade) of 1J18

Grade Standard Country Application
1J18 GBT China non-retentive alloy
1J17 1J22
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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