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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	343～045	σb/MPa
Yield Strength	315	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	735～570	-
HRC	30	-

Physical Properties

Thermal expansion	60-64	e-6/K
Thermal conductivity	96-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5235-2030	째C
Density	7923-4046	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