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China GB 048134B Materials for bonded neodymium iron boron permanent magnets and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 048134B / 048134B
Category Grade Standard Region/Area Standard Content
Metals 048134B GB/T 18880 China Materials for bonded neodymium iron boron permanent magnets

Chemical composition(mass fraction)(wt.%) of the 048134B

Element Min Max Similar

Mechanical Properties of steel grade 048134B

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)
981 (≥) 538 (≥) 23 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 048134B

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 - -     0.32 -  
131 542 - 34.3 414   -  
565 - 32 14.2   122 433

Heat Treatment of steel grade 048134B

Heat treated : 1824°C - 1295°C

Technological Curves of steel grade 048134B

Cross Reference Table (Equivalent Grade) of 048134B

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