28Cr

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#28Cr

Description

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

Datasheet for: Steel Grades:Carbon Steel: 28Cr

Category	Type	Steel Grade
Steel Grades	Carbon Steel	28Cr
		17Cr-35Ni
		ASTM HU
		UNS J95405
		19Cr-39Ni
		ASTM HW
		12Cr-60Ni
		ASTM HX
		17Cr-60Ni
		ASTM HC
		UNS J92605

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.5	2.0	1.0	0.04	0.04	26.0-30.0	≤4.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade 28Cr

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)
575 (≥)	593 (≥)	44	44	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade 28Cr

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
12	-	-			0.22	-
163	948	-	32.3	232		-
439	-	44	11.2			232	141

Heat Treatment of steel grade 28Cr

Heat treated : 1281°C - 1221°C

Technological Curves of steel grade 28Cr

No Curve

Cross Reference Table (Equivalent Grade) of 28Cr

Grade	Standard	Country	Application
28Cr	ASTM	USA
28Cr-15Ni	AISI	USA
28Cr	AISI	USA
28Cr-5Ni	AISI	USA
28Cr4			Spain structural alloy steel
EN 28Cr4	EN		Euronorm Structural steel
EN 28CrS4	EN		Euronorm Structural steel

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