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 454~368 σb/MPa
Yield Strength 305 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 094~396 -
HRC 30 -

Physical Properties

Thermal expansion 99-66 e-6/K
Thermal conductivity 84-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1305-5164 째C
Density 3773-4315 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