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5140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 5140

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AS 5140

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This page is mainly introduced the 5140 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 5140,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
5140

Steel Garde:5140
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	777～759	σb/MPa
Yield Strength	582	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	769～156	-
HRC	30	-

Physical Properties

Thermal expansion	64-68	e-6/K
Thermal conductivity	34-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8602-8631	째C
Density	2179-7872	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)
5140 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