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2J84

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2J83 2J85
#2J84

Description

China GBT 2J84 Deformable permanent magnetic alloy and 2J84 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 2J84
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 2J84 GBT China Deformable permanent magnetic alloy
2J32
2J33
2J51
2J52
2J53
2J63
2J64
2J65
2J67
2J83

Chemical composition(mass fraction)(wt.%) of the 2J84

C(％) Mn(％) P(％) S(％) Cr(％) Mo(％) Co(%) Ti(%) Fe(%)
≤0.03 0.2 0.020 0.020 25.5-27.0 3.0-3.5 11.5-16.0 0.5-0.8 Bal

Mechanical Properties of steel grade 2J84

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)
168 (≥) 978 (≥) 12 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 2J84

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 - -     0.43 -  
824 619 - 32.3 123   -  
929 - 31 34.2   222 324

Heat Treatment of steel grade 2J84

Heat treated : 1222°C - 1762°C

Technological Curves of steel grade 2J84

Cross Reference Table (Equivalent Grade) of 2J84

Grade Standard Country Application
2J84 GBT China Deformable permanent magnetic alloy
2J83 2J85
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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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