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1J21

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China GJB 1J21 铁钴钒软磁合金冷轧带材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1J21 / 1J21
Category Grade Standard Region/Area Standard Content
Metals 1J21 GJB 6479 China 铁钴钒软磁合金冷轧带材规范

Chemical composition(mass fraction)(wt.%) of the 1J21

Element Min Max Similar
C - 0.0300 -
Mn - 0.3000 -
Si - 0.2000 -
S - 0.0200 -
P - 0.0200 -
Cu - 0.2000 -
Ni - 0.1500 -
Co 49.0000 51.0000 -
V 0.8000 1.2000 -
Fe - - -

Mechanical Properties of steel grade 1J21

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)
693 (≥) 796 (≥) 11 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 1J21

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 - -     0.42 -  
299 643 - 41.3 411   -  
378 - 13 22.2   122 142

Heat Treatment of steel grade 1J21

Heat treated : 1588°C - 1567°C

Technological Curves of steel grade 1J21

Cross Reference Table (Equivalent Grade) of 1J21

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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