SNB7

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#SNB7

Description

SNB7 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SNB7

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SNB7
		STK540
		STK55
		SCM415TK
		SCM418TK
		SCM420TK
		SCM430TK
		SCM435TK
		SCM440TK
		SCr420TK
		SNB5

Chemical composition(mass fraction)(wt.%) of the SNB7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.48	0.2-0.35	0.75-1.0	0.04	0.04	0.8-1.1
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade SNB7

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)
895 (≥)	395 (≥)	22	11	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade SNB7

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
33	-	-			0.12	-
993	342	-	41.3	214		-
442	-	44	31.2			424	214

Heat Treatment of steel grade SNB7

Heat treated : 1228°C - 1265°C

Technological Curves of steel grade SNB7

No Curve

Cross Reference Table (Equivalent Grade) of SNB7

Grade	Standard	Country	Application
SNB7-2		China	China Taiwan Structural steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Tube/Pipe

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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy