SNCM439

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#SNCM439

Description

SNCM439 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SNCM439

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SNCM439
		SNC236
		SNC415
		SNC631
		SNC815
		SNC836
		SNCM220
		SNCM240
		SNCM415
		SNCM420
		SNCM431

Chemical composition(mass fraction)(wt.%) of the SNCM439

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.36-0.43	0.15-0.35	0.6-0.9	0.03	0.03	0.6-1.0	1.6-2.0
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.3		≤0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade SNCM439

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)
178 (≥)	449 (≥)	12	14	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade SNCM439

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
14	-	-			0.12	-
755	925	-	44.3	333		-
717	-	11	24.2			214	323

Heat Treatment of steel grade SNCM439

Heat treated : 1779°C - 1438°C

Technological Curves of steel grade SNCM439

No Curve

Cross Reference Table (Equivalent Grade) of SNCM439

Grade	Standard	Country	Application
SNCM439		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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