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Yugoslavia JUS C6980 High speed steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C6980 / C 6980
Category Grade Standard Region/Area Standard Content
Metals C 6980 -- Yugoslavia High speed steels

Chemical composition(mass fraction)(wt.%) of the C 6980

Element Min Max Similar
W - - 18.0000
V - - 1.5000
Mo - - 0.7000
Cr - - 4.0000
Co - - 5.0000
C - - 0.8000

Mechanical Properties of steel grade C 6980

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)
285 (≥) 171 (≥) 11 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade C 6980

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
42 - -     0.31 -  
744 126 - 22.3 311   -  
731 - 21 34.2   314 232

Heat Treatment of steel grade C 6980

Heat treated : 1442°C - 1218°C

Technological Curves of steel grade C 6980

Cross Reference Table (Equivalent Grade) of C 6980

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