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China HB RELa-40 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-40 / RELa-40
Category Grade Standard Region/Area Standard Content
Metals RELa-40 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-40

Element Min Max Similar
P - 0.0100 -
S - 0.0200 -
Si - 0.2000 -
Fe - 1.0000 -
La/RE 40.0000 - -
RE 98.0000 - -

Mechanical Properties of steel grade RELa-40

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)
412 (≥) 136 (≥) 43 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade RELa-40

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
13 - -     0.14 -  
991 798 - 13.3 144   -  
767 - 14 34.2   342 444

Heat Treatment of steel grade RELa-40

Heat treated : 1856°C - 1476°C

Technological Curves of steel grade RELa-40

Cross Reference Table (Equivalent Grade) of RELa-40

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