SUM23

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#SUM23

Description

SUM23 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SUM23

Category	Type	Steel Grade
Steel Grades	Carbon Steel	SUM23
		SCM445H
		SCM822H
		SNC415H
		SNC631H
		SNC815H
		SNCM220H
		SNCM420H
		SUM21
		SUM22
		SUM22L

Chemical composition(mass fraction)(wt.%) of the SUM23

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.09	0.1-0.35	0.75-1.05	0.04-0.09	0.26-0.35
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade SUM23

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)
648 (≥)	354 (≥)	34	41	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade SUM23

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
21	-	-			0.34	-
226	497	-	43.3	443		-
391	-	21	24.2			413	132

Heat Treatment of steel grade SUM23

Heat treated : 1226°C - 1924°C

Technological Curves of steel grade SUM23

No Curve

Cross Reference Table (Equivalent Grade) of SUM23

Grade	Standard	Country	Application
SUM23		China	China Taiwan Structural steel
SUM23L		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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