High quality special steel supplier.Old rev.

  • Certified Company

    DNV&ABS

  • Certified Company

    ISO 9001:2008

  • R&D Production

    In China
Get a Quote

KS STS309STP

STS309STP


STS309STP material is KS D 3576 (2011) Stainless steel pipes KS D 9536 (2011) Stainless lined steel pipe Stainless lined steel pipe.

Chemical composition of STS309STP, STS309STP mechanical properties, STS309STP datasheet, STS309STP equivalent grade, Heat treatment and temperature process of STS309STP.


STS309STP property sheet

STS309STP Spec.

KS D 3576 (2011)
Stainless steel pipes
KS D 9536 (2011)
Stainless lined steel pipe

Related Materials

STS309S
STS309STP
STS309STPY
STS309STB

Chemical Composition of STS309STP

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 22.00 24.00
Ni: 12.00 15.00
Mo: Max Min
N: Max Min

Mechanical Properties of STS309STP

Rp0.2 (MPa) 119 (≥)
Rm (MPa) 218 (≥)
AKV (J) 14
A (%) 24
Z (%) 23
Hardness HBW 112

STS309STP shape and dimensions

STS309STP Round bar: 1mm-800mm
STS309STP Square bar: 10mm * 10mm-600mm *600mm
STS309STP Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS309STP Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS309STP Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS309STP Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Our Materials

Why Our Service?

Let’s Start Work
Together

Get a Quote

Quick Contact

©Longhai Special Steel 2025