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X9940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9940

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AS X9940

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This page is mainly introduced the X9940 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9940,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
X9940

Steel Garde:X9940
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X9940	AS	Australia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	266～191	σb/MPa
Yield Strength	012	σ 0.2 ≥/MPa
Elongation	27	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	022～912	-
HRC	30	-

Physical Properties

Thermal expansion	05-53	e-6/K
Thermal conductivity	49-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5357-3557	째C
Density	0651-1452	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)
X9940 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