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Yugoslavia JUS C9880 High speed steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C9880 / C 9880
Category Grade Standard Region/Area Standard Content
Metals C 9880 -- Yugoslavia High speed steels

Chemical composition(mass fraction)(wt.%) of the C 9880

Element Min Max Similar
W - - 6.5000
V - - 5.0000
Mo - - 3.5000
Cr - - 4.5000
Co - - 5.0000
C - - 1.5000

Mechanical Properties of steel grade C 9880

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)
356 (≥) 165 (≥) 13 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade C 9880

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 - -     0.32 -  
819 944 - 34.3 331   -  
667 - 33 13.2   334 243

Heat Treatment of steel grade C 9880

Heat treated : 1157°C - 1133°C

Technological Curves of steel grade C 9880

Cross Reference Table (Equivalent Grade) of C 9880

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