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4620 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4620

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AS 4620

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This page is mainly introduced the 4620 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4620,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4620

Steel Garde:4620
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ICI 4620	AISI	USA
4620 H	AS	Australia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	823～573	σb/MPa
Yield Strength	129	σ 0.2 ≥/MPa
Elongation	65	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	994～371	-
HRC	30	-

Physical Properties

Thermal expansion	47-17	e-6/K
Thermal conductivity	40-28	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2096-1240	째C
Density	0166-2186	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
4620 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk