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 349~862 σb/MPa
Yield Strength 537 σ 0.2 ≥/MPa
Elongation 23 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 864~377 -
HRC 30 -

Physical Properties

Thermal expansion 04-65 e-6/K
Thermal conductivity 42-14 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5255-0800 째C
Density 4196-0465 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

Technical specification/standard for download