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51B40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 51B40

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AS 51B40

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This page is mainly introduced the 51B40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 51B40,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
51B40

Steel Garde:51B40
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	570～702	σb/MPa
Yield Strength	135	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	819～586	-
HRC	30	-

Physical Properties

Thermal expansion	42-96	e-6/K
Thermal conductivity	30-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1594-3235	째C
Density	1910-4328	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)
51B40 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