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C-7

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C-6A C-7A
#C-7

Description

USA AISI C-7 Machining with carbide and C-7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: C-7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy C-7 AISI USA Machining with carbide
C-1
C-2
C-3
C-4
C-5
C-50
C-5A
C-6
C-60
C-6A

Chemical composition(mass fraction)(wt.%) of the C-7

W(%) Co(%) Ti(%) Ta(%)
71.0-83.0 4.0-7.2 4.4-13.0 3.0-12.0

Mechanical Properties of steel grade C-7

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)
315 (≥) 933 (≥) 42 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade C-7

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 - -     0.14 -  
285 737 - 41.3 331   -  
846 - 13 24.2   311 333

Heat Treatment of steel grade C-7

Heat treated : 1857°C - 1288°C

Technological Curves of steel grade C-7

Cross Reference Table (Equivalent Grade) of C-7

Grade Standard Country Application
C-7 AISI USA Machining with carbide
C-7A AISI USA Machining with carbide
C-75 STAS/SR Romania Structural steel
C-6A C-7A
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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