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 180~250 σb/MPa
Yield Strength 181 σ 0.2 ≥/MPa
Elongation 34 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 699~825 -
HRC 30 -

Physical Properties

Thermal expansion 77-97 e-6/K
Thermal conductivity 31-33 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2633-4855 째C
Density 9474-4837 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

Technical specification/standard for download