S420NH

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#S420NH

Description

S420NH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S420NH

Category	Type	Steel Grade
Steel Grades	Carbon Steel	S420NH
		S355K2H
		1.0512
		S275NH
		1.0493
		S275NLH
		1.0497
		S355NH
		1.0539
		S355NLH
		1.0549

Chemical composition(mass fraction)(wt.%) of the S420NH

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.22	0.40	1.00-1.70	0.035	0.030	≤ 0.30	≤ 0.80
Mo	Al	Cu	Nb	Ti	V	Ce
≤ 0.10	≥ 0.020	≤ 0.70	≤ 0.050	≤0.03	≤ 0.20
N	Co	Pb	B	Other
≤ 0.025				houdu S ≤65

Mechanical Properties of steel grade S420NH

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)
838 (≥)	813 (≥)	43	42	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade S420NH

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
22	-	-			0.12	-
466	551	-	11.3	123		-
172	-	23	11.2			441	213

Heat Treatment of steel grade S420NH

Heat treated : 1922°C - 1465°C

Technological Curves of steel grade S420NH

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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