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X9931 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9931

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AS X9931

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This page is mainly introduced the X9931 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9931,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
X9931

Steel Garde:X9931
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X9931	AS	Australia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	233～834	σb/MPa
Yield Strength	608	σ 0.2 ≥/MPa
Elongation	74	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	780～889	-
HRC	30	-

Physical Properties

Thermal expansion	37-00	e-6/K
Thermal conductivity	30-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7779-6772	째C
Density	6575-6219	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)
X9931 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