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Description

USA AISI C-8A Machining with carbide and C-8A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: C-8A
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy C-8A AISI USA Machining with carbide
C-4
C-5
C-50
C-5A
C-6
C-60
C-6A
C-7
C-7A
C-8

Chemical composition(mass fraction)(wt.%) of the C-8A

Co(%) Ti(%)
Ni-Mo bond 72.0-80.0

Mechanical Properties of steel grade C-8A

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)
963 (≥) 214 (≥) 41 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade C-8A

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
23 - -     0.31 -  
884 613 - 14.3 223   -  
448 - 14 21.2   112 433

Heat Treatment of steel grade C-8A

Heat treated : 1194°C - 1399°C

Technological Curves of steel grade C-8A

Cross Reference Table (Equivalent Grade) of C-8A

Grade Standard Country Application
C-8A AISI USA Machining with carbide

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