51Si7

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#51Si7

Description

51Si7 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 51Si7

Category	Type	Steel Grade
Steel Grades	Carbon Steel	51Si7
		C100S
		1.1274
		Ck101
		1.1274
		38Si6
		1.5022
		38Si7
		1.5023
		46Si7
		1.5024

Chemical composition(mass fraction)(wt.%) of the 51Si7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.47-0.55	1.50-1.80	0.50-0.80	0.045	0.045
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
≤ 0.007

Mechanical Properties of steel grade 51Si7

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)
695 (≥)	239 (≥)	33	14	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade 51Si7

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
42	-	-			0.44	-
227	461	-	24.3	442		-
246	-	42	11.2			142	214

Heat Treatment of steel grade 51Si7

Heat treated : 1199°C - 1168°C

Technological Curves of steel grade 51Si7

No Curve

Cross Reference Table (Equivalent Grade) of 51Si7

Grade	Standard	Country	Application
51Si7	AFNOR	France	Carbide for cutting tools
51Si7	AFNOR	France	Carbide for cutting tools

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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