B6

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Description

B6 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: B6

Category	Type	Steel Grade
Steel Grades	Carbon Steel	B6
		B1
		100Cr6
		B2
		100CrMnSi4-4
		B3
		100CrMnSi6-4
		B4
		100CrMnSi6-6
		B5
		100CrMo7

Chemical composition(mass fraction)(wt.%) of the B6

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.93-1.05	0.15-0.35	0.6-0.8	0.025	0.015	1.65-1.95
Mo	Al	Cu	Nb	Ti	V	Ce
0.2-0.35	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.015

Mechanical Properties of steel grade B6

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)
663 (≥)	824 (≥)	14	24	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade B6

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
21	-	-			0.43	-
674	511	-	42.3	421		-
116	-	23	42.2			132	132

Heat Treatment of steel grade B6

Heat treated : 1549°C - 1888°C

Technological Curves of steel grade B6

No Curve

Cross Reference Table (Equivalent Grade) of B6

Grade	Standard	Application
39MnCrB6-2		Spain structural alloy steel
XK51B60S		Australia Structural steel
K51B60HS		Australia Structural steel
EN 39MnCrB6-2	EN	Euronorm Structural steel

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B6