CU-4

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#CU-4

Description

CU-4 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: CU-4

Category	Type	Steel Grade
Steel Grades	Tool Steel	CU-4
		CQ-9
		CQ-10
		CQ-11
		CQ-12
		CQ-13
		CQ-14
		CQ-15
		CU-1
		CU-2
		CU-3

Chemical composition(mass fraction)(wt.%) of the CU-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
4.7
Mo	Al	W	Nb	Ta	V	Ce
		71.7	0.9	2.7
N	Co	Pb	B	Other
	20.0

Mechanical Properties of steel grade CU-4

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)
682 (≥)	125 (≥)	32	32	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	333

Physical Properties of steel grade CU-4

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
43	-	-			0.43	-
595	326	-	11.3	314		-
113	-	41	44.2			143	344

Heat Treatment of steel grade CU-4

Heat treated : 1961°C - 1544°C

Technological Curves of steel grade CU-4

No Curve

Cross Reference Table (Equivalent Grade) of CU-4

Grade	Standard	Country	Application
CU-4	AISI	USA	W-Ta-Nb-Co class 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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy