1.0978

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#1.0978

Description

1.0978 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 1.0978

Category	Type	Steel Grade
Steel Grades	Carbon Steel	1.0978
		1.0974
		S340MC
		1.0974
		QStE340TM
		1.0976
		S355MC
		1.0976
		QStE360TM
		S380MC
		QStE380TM

Chemical composition(mass fraction)(wt.%) of the 1.0978

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.12	0.50	1.50	0.025	0.020
Mo	Al	Cu	Nb	Ti	V	Ce
	≤ 0.015%		≤ 0.09%	≤ 0.22	≤ 0.20
N	Co	Pb	B	Other

Mechanical Properties of steel grade 1.0978

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)
257 (≥)	166 (≥)	22	32	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade 1.0978

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	-	-			0.42	-
411	736	-	32.3	424		-
686	-	32	31.2			422	343

Heat Treatment of steel grade 1.0978

Heat treated : 1297°C - 1986°C

Technological Curves of steel grade 1.0978

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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