STS630FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630FB

KS STS630FB

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This page is mainly introduced the STS630FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630FB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel blooms and billets for forgings

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS630 KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.07
Si   1.00
Mn   1.00
P   0.040
S   0.030
Cr 15.00  17.00
Ni 3.00  5.00
Mo  
N  
Cu 3.00  5.00
Nb 0.15  0.45

Mechanical Properties

Tensile strength 205~629 σb/MPa
Yield Strength 385 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 559~778 -
HRC 30 -

Physical Properties

Thermal expansion 61-83 e-6/K
Thermal conductivity 43-51 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1667-0654 째C
Density 4294-3323 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)
STS630FB Stainless Steels 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