STD6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD6

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KS STD6

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This page is mainly introduced the STD6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:STD6
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:

Cross Reference Table(Equivalent Materials):

Material Standard Country
STD6 KS Korea
STD61 KS Korea
STD61 KS Korea
STD62 KS Korea
STD62 KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 704~681 σb/MPa
Yield Strength 629 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 767~878 -
HRC 30 -

Physical Properties

Thermal expansion 94-26 e-6/K
Thermal conductivity 52-81 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3121-7913 째C
Density 4865-3840 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)
STD6 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

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