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America MIL C17500 Copper alloy number 175 (copper-coball-beryllium) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C17500 / C17500
Category Grade Standard Region/Area Standard Content
Metals C17500 MIL C 46087A America Copper alloy number 175 (copper-coball-beryllium)

Chemical composition(mass fraction)(wt.%) of the C17500

Element Min Max Similar
Si - 0.2000 -
Ni 0.5000 1.0000 -
Cu - - -
Al - 0.2000 -
Fe - 0.1000 -
Co 2.4000 2.7000 -
Be 0.4000 0.7000 -
Other - - -
Si - 0.2000 -
Ni 0.5000 1.0000 -
Cu - - -
Al - 0.2000 -
Fe - 0.1000 -
Co 2.4000 2.7000 -
Be 0.4000 0.7000 -
Other - - -

Mechanical Properties of steel grade C17500

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)
435 (≥) 766 (≥) 22 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade C17500

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
34 - -     0.32 -  
262 451 - 33.3 413   -  
155 - 14 11.2   342 234

Heat Treatment of steel grade C17500

Heat treated : 1874°C - 1472°C

Technological Curves of steel grade C17500

Cross Reference Table (Equivalent Grade) of C17500

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