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China HB K825 K825(K25)合金锭 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K825 / K825
Category Grade Standard Region/Area Standard Content
Metals K825 HB 7700 China K825(K25)合金锭

Chemical composition(mass fraction)(wt.%) of the K825

Element Min Max Similar
Pb - 0.0010 -
Bi - 0.0001 -
As - 0.0050 -
Sn - 0.0020 -
Sb - 0.0010 -
S - 0.0100 -
P - 0.0150 -
Si - 0.5000 -
Mn - 0.5000 -
V 0.2000 0.4000 -
Ti 0.2000 0.4000 -
W 1.4000 1.8000 -
Ni 39.5000 42.5000 -
Cr - - -
C 0.0200 0.0800 -
O - 0.0200 -
N - 0.0300 -
Sb - 0.0010 -
Sn - 0.0020 -
As - 0.0050 -
Bi - 0.0001 -
Pb - 0.0010 -
P - 0.0150 -
S - 0.0100 -
Mn - 0.5000 -
Si - 0.5000 -
Cr - - -
W 1.4000 1.8000 -
V 0.2000 0.4000 -
Ti 0.2000 0.4000 -
Ni 39.5000 42.5000 -
C 0.0200 0.0800 -

Mechanical Properties of steel grade K825

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)
349 (≥) 972 (≥) 44 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade K825

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
44 - -     0.43 -  
958 888 - 22.3 133   -  
574 - 14 44.2   432 114

Heat Treatment of steel grade K825

Heat treated : 1615°C - 1263°C

Technological Curves of steel grade K825

Cross Reference Table (Equivalent Grade) of K825

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