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1J51

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1J50 1J52
#1J51

Description

China GBT 1J51 non-retentive alloy and 1J51 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J51
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J51 GBT China non-retentive alloy
1J30
1J31
1J32
1J33
1J34
1J36
1J38
1J40
1J46
1J50

Chemical composition(mass fraction)(wt.%) of the 1J51

C(％) Si(％) Mn(％) P(％) S(％) Ni(％) Cu(%) Fe(%)
0.03 0.15-0.30 0.30-0.60 0.020 0.020 49.0-50.5 ≤0.2 Bal

Mechanical Properties of steel grade 1J51

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)
143 (≥) 255 (≥) 21 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 1J51

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
34 - -     0.41 -  
593 212 - 31.3 443   -  
193 - 24 24.2   231 111

Heat Treatment of steel grade 1J51

Heat treated : 1842°C - 1116°C

Technological Curves of steel grade 1J51

Cross Reference Table (Equivalent Grade) of 1J51

Grade Standard Country Application
1J51 GBT China non-retentive alloy
1J50 1J52
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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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