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2J51

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2J33 2J52
#2J51

Description

China GBT 2J51 Deformable permanent magnetic alloy and 2J51 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 2J51
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 2J51 GBT China Deformable permanent magnetic alloy
2J10
2J11
2J12
2J21
2J23
2J25
2J27
2J31
2J32
2J33

Chemical composition(mass fraction)(wt.%) of the 2J51

C(％) Si(％) Mn(％) P(％) S(％) W(%) Co(%) Fe(%)
≤0.03 ≤0.50 ≤0.70 0.030 0.030 14.0-15.0 11.0-13.0 Bal

Mechanical Properties of steel grade 2J51

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)
441 (≥) 769 (≥) 31 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 2J51

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
41 - -     0.33 -  
211 249 - 13.3 223   -  
651 - 31 34.2   332 344

Heat Treatment of steel grade 2J51

Heat treated : 1477°C - 1855°C

Technological Curves of steel grade 2J51

Cross Reference Table (Equivalent Grade) of 2J51

Grade Standard Country Application
2J51 GBT China Deformable permanent magnetic alloy
2J33 2J52
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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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