DM

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#DM

Description

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

Datasheet for: Steel Grades:Carbon Steel: DM

Category	Type	Steel Grade
Steel Grades	Carbon Steel	DM
		1.8847
		S420MLH
		1.8848
		S460MH
		1.8849
		S460MLH
		1.8850
		SL
		SM
		SH

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.45-1.00	0.10-0.30	0.50-1.20	0.020	0.025
Mo	Al	Cu	Nb	Ti	V	Ce
		≤ 0.12
N	Co	Pb	B	Other

Mechanical Properties of steel grade DM

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)
479 (≥)	175 (≥)	33	24	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	333

Physical Properties of steel grade DM

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
32	-	-			0.32	-
256	658	-	43.3	314		-
657	-	41	21.2			224	142

Heat Treatment of steel grade DM

Heat treated : 1861°C - 1913°C

Technological Curves of steel grade DM

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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DM