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China GB MGH2756 高温合金和金属间化合物高温材料的分类和牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MGH2756 / MGH2756
Category Grade Standard Region/Area Standard Content
Metals MGH2756 GB/T 14992 China 高温合金和金属间化合物高温材料的分类和牌号

Chemical composition(mass fraction)(wt.%) of the MGH2756

Element Min Max Similar
Fe - - -
Ti 0.2000 0.6000 -
Al 3.7500 5.7500 -
Ni - 0.5000 -
Cr 18.5000 21.5000 -
C - 0.1000 -

Mechanical Properties of steel grade MGH2756

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)
975 (≥) 595 (≥) 12 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade MGH2756

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
23 - -     0.44 -  
151 493 - 41.3 124   -  
281 - 24 12.2   232 344

Heat Treatment of steel grade MGH2756

Heat treated : 1787°C - 1256°C

Technological Curves of steel grade MGH2756

Cross Reference Table (Equivalent Grade) of MGH2756

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