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China GB 048135A Materials for bonded neodymium iron boron permanent magnets and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 048135A / 048135A
Category Grade Standard Region/Area Standard Content
Metals 048135A GB/T 18880 China Materials for bonded neodymium iron boron permanent magnets

Chemical composition(mass fraction)(wt.%) of the 048135A

Element Min Max Similar

Mechanical Properties of steel grade 048135A

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)
695 (≥) 673 (≥) 11 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade 048135A

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
12 - -     0.43 -  
364 879 - 12.3 413   -  
331 - 11 12.2   113 443

Heat Treatment of steel grade 048135A

Heat treated : 1971°C - 1521°C

Technological Curves of steel grade 048135A

Cross Reference Table (Equivalent Grade) of 048135A

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