Standard carburizing steels

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Description

Standard carburizing steels Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Standard carburizing steels

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Standard carburizing steels
		SAE 9442
		SAE 9445
		SAE 9447
		SAE 9747
		SAE 9763
		SAE 9840
		UNS G98400
		SAE 9845
		SAE 9850
		UNS G98500

Chemical composition(mass fraction)(wt.%) of the Standard carburizing steels

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43	0.20-0.40	0.50-0.70			1.40-1.80
Mo	Al	Cu	Nb	Ti	V	Ce
0.30-0.40	0.95-1.30
N	Co	Pb	B	Other

Mechanical Properties of steel grade Standard carburizing steels

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)
963 (≥)	969 (≥)	12	43	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade Standard carburizing steels

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
13	-	-			0.43	-
897	249	-	42.3	322		-
291	-	33	23.2			124	432

Heat Treatment of steel grade Standard carburizing steels

Heat treated : 1315°C - 1837°C

Technological Curves of steel grade Standard carburizing steels

No Curve

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