S420MLH

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#S420MLH

Description

S420MLH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S420MLH

Category	Type	Steel Grade
Steel Grades	Carbon Steel	S420MLH
		S275MH
		1.8843
		S275MLH
		1.8844
		S355MH
		1.8845
		S355MLH
		1.8846
		S420MH
		1.8847

Chemical composition(mass fraction)(wt.%) of the S420MLH

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16	0.50	1.70	0.030	0.025		≤0.30
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.20	≥ 0.020		≤0.050	≤ 0.050	≤ 0.12
N	Co	Pb	B	Other
≤ 0.020

Mechanical Properties of steel grade S420MLH

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)
317 (≥)	125 (≥)	33	42	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade S420MLH

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
44	-	-			0.21	-
669	342	-	24.3	211		-
288	-	14	14.2			144	232

Heat Treatment of steel grade S420MLH

Heat treated : 1848°C - 1328°C

Technological Curves of steel grade S420MLH

No Curve

Cross Reference Table (Equivalent Grade) of S420MLH

Grade	Standard	Country	Application
EN S420MLH	EN		Euronorm 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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