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China XB 084020 金属钆 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 084020 / 084020
Category Grade Standard Region/Area Standard Content
Metals 084020 XB/T 212 China 金属钆

Chemical composition(mass fraction)(wt.%) of the 084020

Element Min Max Similar
RE 98.5000 - -
Gd/RE 99.0000 - -
(Sm+Eu+Tb+Dy+Y)/RE - 1.0000 -
Fe - 0.0500 -
Si - 0.0200 -
Ca - 0.0500 -
Mg - 0.1000 -
Al - 0.0500 -
Cu - 0.1000 -
Ni - 0.1000 -
W+Ta+Nb+Mo+Ti - 0.2000 -
C - 0.0800 -
O - 0.2000 -

Mechanical Properties of steel grade 084020

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)
848 (≥) 956 (≥) 24 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 084020

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
24 - -     0.22 -  
736 427 - 12.3 342   -  
722 - 22 43.2   121 343

Heat Treatment of steel grade 084020

Heat treated : 1559°C - 1618°C

Technological Curves of steel grade 084020

Cross Reference Table (Equivalent Grade) of 084020

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