A841 Class4

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#A841 #Class4

Description

A841 Class4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A841 Class4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A841 Class4
		A841 Class2
		A841 Gr.B
		A841 Class1
		A841 Class2
		A841 Gr.C
		A841 Class1
		A841 Class2
		A841 Class3
		A841 Gr.D
		A841 Gr.E

Chemical composition(mass fraction)(wt.%) of the A841 Class4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07	0.05-0.3	0.7-1.6	0.015	0.005	≤ 0.3	≤ 0.6
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.3	≥ 0.02	≤0.35	≤ 0.08		≤0.06
N	Co	Pb	B	Other
			≤ 0.0007

Mechanical Properties of steel grade A841 Class4

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)
734 (≥)	748 (≥)	22	22	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade A841 Class4

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	-	-			0.31	-
689	938	-	11.3	441		-
861	-	12	12.2			142	313

Heat Treatment of steel grade A841 Class4

Heat treated : 1399°C - 1347°C

Technological Curves of steel grade A841 Class4

No Curve

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