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1J76

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1J67 1J77
#1J76

Description

China GBT 1J76 non-retentive alloy and 1J76 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1J76
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1J76 GBT China non-retentive alloy
1J38
1J40
1J46
1J50
1J51
1J52
1J54
1J65
1J66
1J67

Chemical composition(mass fraction)(wt.%) of the 1J76

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Fe(%)
0.03 0.15-0.30 0.30-0.60 0.02U 0.020 1_8-2.2 75.0-76.5 4.8-5.2 Bal

Mechanical Properties of steel grade 1J76

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)
357 (≥) 614 (≥) 31 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 1J76

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
31 - -     0.41 -  
935 422 - 11.3 213   -  
767 - 41 42.2   222 212

Heat Treatment of steel grade 1J76

Heat treated : 1372°C - 1232°C

Technological Curves of steel grade 1J76

Cross Reference Table (Equivalent Grade) of 1J76

Grade Standard Country Application
1J76 GBT China non-retentive alloy
1J67 1J77
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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