QQ-W390

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#QQ-W390

Description

QQ-W390 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: QQ-W390

Category	Type	Steel Grade
Steel Grades	Carbon Steel	QQ-W390
		ASTM A877
		ASTM A401
		AISI 302
		ASTM A313
		AISI 316
		ASTM A313
		AISI 631
		ASTM A313
		A-286
		Inconel 600

Chemical composition(mass fraction)(wt.%) of the QQ-W390

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
					15.8	76
Mo	Al	Cu	Nb	Ti	V	Fe
						7.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade QQ-W390

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)
949 (≥)	343 (≥)	23	44	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade QQ-W390

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
11	-	-			0.42	-
243	148	-	23.3	232		-
387	-	33	23.2			312	421

Heat Treatment of steel grade QQ-W390

Heat treated : 1218°C - 1137°C

Technological Curves of steel grade QQ-W390

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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