у7,у7A

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#у7 #у7A

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Russia ГОСТ у7,у7A Carbide for cutting tools and у7,у7A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: у7,у7A

Category	Type	Steel Grade	Standard	Country	Application
Steel Grades	Tool Steel And Hard Alloy	у7,у7A	ГОСТ	Russia	Carbide for cutting tools
		у13-1
		у13-1
		у13-3
		у13-3
		у13A-1
		у13A-1
		у13A-2
		у13A-2
		у13A-3
		у13A-3

Chemical composition(mass fraction)(wt.%) of the у7,у7A

Mechanical Properties of steel grade у7,у7A

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)
988 (≥)	227 (≥)	42	12	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade у7,у7A

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
34	-	-			0.23	-
778	255	-	11.3	221		-
477	-	22	31.2			142	132

Heat Treatment of steel grade у7,у7A

Heat treated : 1114°C - 1192°C

Technological Curves of steel grade у7,у7A

No Curve

Cross Reference Table (Equivalent Grade) of у7,у7A

Grade	Standard	Country	Application
у7,у7A	ГОСТ	Russia	Carbide for cutting tools

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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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