GC20

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#GC20

Description

France AFNOR GC20 Carbide for cutting tools and GC20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: GC20

Category	Type	Steel Grade	Standard	Country	Application
Steel Grades	Tool Steel And Hard Alloy	GC20	AFNOR	France	Carbide for cutting tools
		G10
		G10
		G10
		G30
		G30
		G40
		G40
		G50
		G50
		GC20

Chemical composition(mass fraction)(wt.%) of the GC20

Mechanical Properties of steel grade GC20

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)
813 (≥)	439 (≥)	13	22	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade GC20

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
13	-	-			0.22	-
843	612	-	41.3	334		-
553	-	21	24.2			332	234

Heat Treatment of steel grade GC20

Heat treated : 1441°C - 1374°C

Technological Curves of steel grade GC20

No Curve

Cross Reference Table (Equivalent Grade) of GC20

Grade	Standard	Country	Application
GC20	AFNOR	France	Carbide for cutting tools
GC20	AFNOR	France	Carbide for cutting tools

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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