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China GB 048231A 快淬钕铁硼永磁粉 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 048231A / 048231A
Category Grade Standard Region/Area Standard Content
Metals 048231A GB/T 20168 China 快淬钕铁硼永磁粉

Chemical composition(mass fraction)(wt.%) of the 048231A

Element Min Max Similar

Mechanical Properties of steel grade 048231A

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)
565 (≥) 552 (≥) 11 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 048231A

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
23 - -     0.32 -  
432 659 - 24.3 112   -  
116 - 13 24.2   141 231

Heat Treatment of steel grade 048231A

Heat treated : 1719°C - 1516°C

Technological Curves of steel grade 048231A

Cross Reference Table (Equivalent Grade) of 048231A

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