B5

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#B5

Description

B5 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: B5

Category	Type	Steel Grade
Steel Grades	Carbon Steel	B5
		Inconel X-750
		AMS 5542
		B1
		100Cr6
		B2
		100CrMnSi4-4
		B3
		100CrMnSi6-4
		B4
		100CrMnSi6-6

Chemical composition(mass fraction)(wt.%) of the B5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.93-1.05	0.15-0.35	0.25-0.45	0.02	0.01	1.65-1.95
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.3	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.015

Mechanical Properties of steel grade B5

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)
427 (≥)	829 (≥)	11	14	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	133

Physical Properties of steel grade B5

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
14	-	-			0.43	-
971	689	-	14.3	141		-
728	-	31	13.2			122	444

Heat Treatment of steel grade B5

Heat treated : 1478°C - 1955°C

Technological Curves of steel grade B5

No Curve

Cross Reference Table (Equivalent Grade) of B5

Grade	Standard	Country	Application
RCB52q			Structural steel
20MnB5q			Alloy structural steel
RCB52q			Alloy structural steel
16MnCrB5			Spain structural alloy steel
20MnB5			Spain structural alloy steel
27MnCrB5-2			Spain structural alloy steel
30MnB5			Spain structural alloy steel
33MnCrB5-2			Spain structural alloy steel
38MnB5			Spain structural alloy steel
HX10B55			Australia Structural steel
CK10B55			Australia Structural steel
SNB5-1		China	China Taiwan Structural steel
EN 20MnB5	EN		Euronorm Structural steel
EN 27MnCrB5-2	EN		Euronorm Structural steel
EN 30MnB5	EN		Euronorm Structural steel
EN 33MnCrB5-Z	EN		Euronorm Structural steel
EN 38MnB5	EN		Euronorm Structural steel
EN 16MnCrB5	EN		Euronorm Structural steel
EN B500A	EN		Euronorm Structural steel
EN B500B	EN		Euronorm Structural steel

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B5