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China GB HGH4648 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: HGH4648 / HGH4648
Category Grade Standard Region/Area Standard Content
Metals HGH4648 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 HGH4648

Element Min Max Similar
Fe - 4.0000 -
W 4.3000 5.3000 -
Ti 0.5000 1.1000 -
Si - 0.4000 -
S - 0.0100 -
P - 0.0150 -
Ni - - -
Nb 0.5000 1.1000 -
Mo 2.3000 3.0000 -
Mn - 0.5000 -
Cr 32.0000 35.0000 -
Ce - 0.0030 -
C - 0.1000 -
B - 0.0080 -
Al 0.5000 1.1000 -

Mechanical Properties of steel grade HGH4648

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)
486 (≥) 163 (≥) 24 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade HGH4648

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 - -     0.44 -  
974 896 - 42.3 223   -  
315 - 44 33.2   113 143

Heat Treatment of steel grade HGH4648

Heat treated : 1758°C - 1457°C

Technological Curves of steel grade HGH4648

Cross Reference Table (Equivalent Grade) of HGH4648

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