QStE300N

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#QStE300N

Description

QStE300N Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: QStE300N

Category	Type	Steel Grade
Steel Grades	Carbon Steel	QStE300N
		S700MC
		1.8974
		S650MC
		1.8976
		S260NC
		1.0971
		QStE260N
		1.0971
		S315NC
		1.0973

Chemical composition(mass fraction)(wt.%) of the QStE300N

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16	0.50	1.40	0.025	0.020
Mo	Al	Cu	Nb	Ti	V	Ce
	≤ 0.015%		≤ 0.09%	≤ 0.15	≤0.10
N	Co	Pb	B	Other

Mechanical Properties of steel grade QStE300N

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)
874 (≥)	498 (≥)	41	43	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade QStE300N

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	-	-			0.32	-
651	958	-	24.3	422		-
811	-	43	33.2			431	244

Heat Treatment of steel grade QStE300N

Heat treated : 1493°C - 1699°C

Technological Curves of steel grade QStE300N

No Curve

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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