STS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309STP

KS STS309STP

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This page is mainly introduced the STS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309STP,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless lined steel pipe

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS309S KS Korea
STS309STPY KS Korea
STS309STB KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.030
Cr 22.00  24.00
Ni 12.00  15.00
Mo  
N  

Mechanical Properties

Tensile strength 030~375 σb/MPa
Yield Strength 465 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 730~679 -
HRC 30 -

Physical Properties

Thermal expansion 87-11 e-6/K
Thermal conductivity 32-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8012-5031 째C
Density 0519-7394 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)
STS309STP 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