5120H

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#5120H

Description

5120H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 5120H

Category	Type	Steel Grade
Steel Grades	Carbon Steel	5120H
		B31
		18NiCrMo14-6
		B32
		16NiCrMo16-5
		4118H
		4320H
		4620H
		4720H
		4817H
		4820H

Chemical composition(mass fraction)(wt.%) of the 5120H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.15-0.35	0.6-1.0	0.025	0.015	0.6-1.2
Mo	Al	Cu	Nb	Ti	V	Ce
	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.002

Mechanical Properties of steel grade 5120H

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)
442 (≥)	153 (≥)	23	43	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade 5120H

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
43	-	-			0.31	-
148	611	-	41.3	114		-
946	-	24	22.2			424	113

Heat Treatment of steel grade 5120H

Heat treated : 1848°C - 1473°C

Technological Curves of steel grade 5120H

No Curve

Cross Reference Table (Equivalent Grade) of 5120H

Grade	Standard	Country	Application
5120H			Australia Structural steel

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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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