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

Location » Home » Grades > Special Alloy > STS630

KS STS630

Profile

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 533~497 σb/MPa
Yield Strength 773 σ 0.2 ≥/MPa
Elongation 91 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 075~139 -
HRC 30 -

Physical Properties

Thermal expansion 61-26 e-6/K
Thermal conductivity 11-36 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7358-2506 째C
Density 2087-2932 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