28Cr4

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#28Cr4

Description

28Cr4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 28Cr4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	28Cr4
		38Cr2
		1.7023
		1.3561
		44Cr2
		46Cr2
		1.7006
		46Cr2
		1.7025
		28Cr4
		1.7030

Chemical composition(mass fraction)(wt.%) of the 28Cr4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.24-0.31	0.40	0.60-0.90	0.035	0.035	0.90-1.20
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 28Cr4

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)
227 (≥)	671 (≥)	33	11	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade 28Cr4

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
11	-	-			0.31	-
285	255	-	42.3	412		-
476	-	32	34.2			443	322

Heat Treatment of steel grade 28Cr4

Heat treated : 1289°C - 1465°C

Technological Curves of steel grade 28Cr4

No Curve

Cross Reference Table (Equivalent Grade) of 28Cr4

Grade	Standard	Country	Application
28Cr4			Spain structural alloy steel
EN 28Cr4	EN		Euronorm Structural steel

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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