C-7A

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#C-7A

Description

C-7A Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: C-7A

Category	Type	Steel Grade
Steel Grades	Tool Steel	C-7A
		C-2
		C-3
		C-4
		C-5
		C-50
		C-5A
		C-6
		C-60
		C-6A
		C-7

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni

Mo	Al	WC	TaC (NbC)	TiC	V	Ce
		71.0-83.0	10.0-12.0	7.0-12.5
N	Co	Pb	B	Other
	4.5-7.0

Mechanical Properties of steel grade C-7A

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
794 (≥)	524 (≥)	44	12	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade C-7A

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	-	-			0.24	-
915	878	-	32.3	441		-
499	-	24	43.2			223	442

Heat Treatment of steel grade C-7A

Heat treated : 1172°C - 1842°C

Technological Curves of steel grade C-7A

No Curve

Cross Reference Table (Equivalent Grade) of C-7A

Grade	Standard	Country	Application
C-7A	AISI	USA	Machining with carbide

Available Suppliers

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...

Rfq.: sales@longhaisteel.com

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Tube/Pipe

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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy