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KS STS309STP Details

Stainless lined steel pipe

KS STS309STP Standard Download

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STS309STP Application:Stainless lined steel pipe
Category Type Grade Microstructure Designations
Grades Stainless Steels STS309STP Austenite Korea - KS , D 3576 (2011) - Stainless steel pipes
D 9536 (2011) - Stainless lined steel pipe
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 of grade STS309STP
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
156 (≥) 173 (≥) 33 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Physical properties of grade STS309STP
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
872 (≥) 744 (≥) 13 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
691 315 249
STS309STP Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STS309S KS Korea
Stainless steel bars
STS309STP KS Korea
Stainless lined steel pipe
STS309STPY KS Korea
Large diameter welded stainless steel pipes
STS309STB KS Korea
Stainless steel for boiler and heat exchanger tubes