55Cr3

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#55Cr3

Description

55Cr3 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 55Cr3

Category	Type	Steel Grade
Steel Grades	Carbon Steel	55Cr3
		67SiCr5
		1.7103
		56SiCr7
		1.7106
		1.7108
		1.7108
		60SiCr7
		61SiCr7
		1.7138
		52MnCrB3

Chemical composition(mass fraction)(wt.%) of the 55Cr3

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.52-0.59	0.40	0.70-1.00	0.025	0.025	0.70-1.00
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				Cu+10Sn+-0.60

Mechanical Properties of steel grade 55Cr3

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)
236 (≥)	359 (≥)	32	31	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	313

Physical Properties of steel grade 55Cr3

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	-	-			0.44	-
183	832	-	32.3	233		-
887	-	13	21.2			221	243

Heat Treatment of steel grade 55Cr3

Heat treated : 1942°C - 1654°C

Technological Curves of steel grade 55Cr3

No Curve

Cross Reference Table (Equivalent Grade) of 55Cr3

Grade	Standard	Country	Application
EN 55Cr3	EN		Euronorm Structural steel

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Rfq.: sales@longhaisteel.com

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