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B122 C74000

America ASTM B122C74000 铜镍锡合金、铜镍锌合金(镍银)和铜镍合金板、薄板、带材及轧制棒材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B122C74000 / B122 C74000
Category Grade Standard Region/Area Standard Content
Metals B122 C74000 ASTM B122/B122M America 铜镍锡合金、铜镍锌合金(镍银)和铜镍合金板、薄板、带材及轧制棒材

Chemical composition(mass fraction)(wt.%) of the B122 C74000

Element Min Max Similar

Mechanical Properties of steel grade B122 C74000

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)
428 (≥) 884 (≥) 23 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade B122 C74000

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 - -     0.24 -  
199 841 - 21.3 313   -  
154 - 22 14.2   413 221

Heat Treatment of steel grade B122 C74000

Heat treated : 1971°C - 1464°C

Technological Curves of steel grade B122 C74000

Cross Reference Table (Equivalent Grade) of B122 C74000

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