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China GJB K403 铸造高温合金和铸造金属间化合物高温材料母合金规范 第1部分普通精密铸件用铸造高温合金母合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K403 / K403
Category Grade Standard Region/Area Standard Content
Metals K403 GJB 5512.1 China 铸造高温合金和铸造金属间化合物高温材料母合金规范 第1部分普通精密铸件用铸造高温合金母合金

Chemical composition(mass fraction)(wt.%) of the K403

Element Min Max Similar
C 0.1100 0.1800 -
Cr 10.0000 12.0000 -
Ni - - -
Co 4.5000 6.0000 -
W 4.8000 5.5000 -
Mo 3.8000 4.5000 -
Al 5.3000 5.9000 -
Ti 2.3000 2.9000 -
Fe - 2.0000 -
B 0.0120 0.0220 -
Zr 0.0300 0.0800 -
Ce - - 0.0100
Si - 0.5000 -
Mn - 0.5000 -
P - 0.0200 -
S - 0.0100 -
Pb - 0.0005 -
Sb - 0.0010 -
As - 0.0050 -
Sn - 0.0020 -
Bi - 0.0001 -

Mechanical Properties of steel grade K403

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)
511 (≥) 152 (≥) 23 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade K403

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
14 - -     0.14 -  
514 956 - 23.3 124   -  
888 - 34 32.2   141 421

Heat Treatment of steel grade K403

Heat treated : 1473°C - 1976°C

Technological Curves of steel grade K403

Cross Reference Table (Equivalent Grade) of K403

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