S41040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41040

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UNS S41040

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This page is mainly introduced the S41040 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41040,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S41040
  • Steel Garde:S41040
  • Type:Special Alloy
  • Country:USA
  • Standard:UNS
  • Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
S41040 UNS USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 973~860 σb/MPa
Yield Strength 498 σ 0.2 ≥/MPa
Elongation 64 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 666~018 -
HRC 30 -

Physical Properties

Thermal expansion 41-52 e-6/K
Thermal conductivity 66-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9172-1009 째C
Density 1798-4915 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)
S41040 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