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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	953～450	σb/MPa
Yield Strength	836	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	919～634	-
HRC	30	-

Physical Properties

Thermal expansion	60-22	e-6/K
Thermal conductivity	49-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5321-2945	째C
Density	9371-6566	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