STS630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630

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KS STS630

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This page is mainly introduced the STS630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS630
  • Steel Garde: STS630
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:precipitation hardened steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS630 KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 531~188 σb/MPa
Yield Strength 452 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 716~854 -
HRC 30 -

Physical Properties

Thermal expansion 24-83 e-6/K
Thermal conductivity 03-30 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2338-2119 째C
Density 3358-0507 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)
STS630 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