STSXM7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSXM7

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KS STSXM7

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This page is mainly introduced the STSXM7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSXM7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STSXM7
  • Steel Garde:STSXM7
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:Austenitic Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
STSXM7 KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 803~171 σb/MPa
Yield Strength 828 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 743~235 -
HRC 30 -

Physical Properties

Thermal expansion 50-53 e-6/K
Thermal conductivity 35-20 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8455-4349 째C
Density 3055-2754 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)
STSXM7 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