SUM31L

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#SUM31L

Description

SUM31L Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SUM31L

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SUM31L
		SNCM220H
		SNCM420H
		SUM21
		SUM22
		SUM22L
		SUM23
		SUM23L
		SUM24L
		SUM25
		SUM31

Chemical composition(mass fraction)(wt.%) of the SUM31L

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.14-0.2	0.1-0.35	1.0-1.3	0.04	0.08-0.13
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
		0.1-0.35

Mechanical Properties of steel grade SUM31L

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)
614 (≥)	823 (≥)	12	43	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	333

Physical Properties of steel grade SUM31L

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
41	-	-			0.23	-
761	344	-	42.3	113		-
952	-	11	42.2			243	224

Heat Treatment of steel grade SUM31L

Heat treated : 1177°C - 1254°C

Technological Curves of steel grade SUM31L

No Curve

Cross Reference Table (Equivalent Grade) of SUM31L

Grade	Standard	Country	Application
SUM31L		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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