8620H

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#8620H

Description

8620H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 8620H

Category	Type	Steel Grade
Steel Grades	Carbon Steel	8620H
		B32
		16NiCrMo16-5
		4118H
		4320H
		4620H
		4720H
		4817H
		4820H
		5120H
		8617H

Chemical composition(mass fraction)(wt.%) of the 8620H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.15-0.35	0.6-0.95	0.025	0.015	0.35-0.65	0.35-0.75
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.002

Mechanical Properties of steel grade 8620H

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)
765 (≥)	659 (≥)	33	33	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade 8620H

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
34	-	-			0.32	-
238	489	-	41.3	221		-
826	-	22	12.2			232	313

Heat Treatment of steel grade 8620H

Heat treated : 1884°C - 1369°C

Technological Curves of steel grade 8620H

No Curve

Cross Reference Table (Equivalent Grade) of 8620H

Grade	Standard	Country	Application
8620H			Australia Structural steel

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