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China HB RELa-80 铸造高温合金选用原材料技术要求 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RELa-80 / RELa-80
Category Grade Standard Region/Area Standard Content
Metals RELa-80 HB/Z 131 China 铸造高温合金选用原材料技术要求

Chemical composition(mass fraction)(wt.%) of the RELa-80

Element Min Max Similar
P - 0.0100 -
S - 0.0200 -
Si - 0.0700 -
Fe - 0.5000 -
La/RE 80.0000 - -
RE 99.0000 - -

Mechanical Properties of steel grade RELa-80

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)
773 (≥) 927 (≥) 24 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade RELa-80

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
42 - -     0.32 -  
718 717 - 34.3 343   -  
225 - 42 14.2   123 121

Heat Treatment of steel grade RELa-80

Heat treated : 1255°C - 1348°C

Technological Curves of steel grade RELa-80

Cross Reference Table (Equivalent Grade) of RELa-80

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