| Standard: | ASTM A268， ASME SA268 | Material Grade: | TP409， UNS S40900， 1.4512 |
|---|---|---|---|
| Type: | Seamless，，Welded | Shape: | Round |
| Outer Diameter: | 6-630mm | Thickness: | 1mm-20mm |
| Length: | 1-12m Or As Your Requirements | Ends: | Bevled End， Plain End， Thread End |
| Surface: | Annealing，pickling，polishing，Bright | Applications: | Construction，Industry，boiler，Chemical |
| High Light: | 1.4512 Stainless Steel Seamless Tube， Annealing Stainless Steel Seamless Tube， TP409 Round Stainless Steel Tube | ||
ASTM A268 TP409， UNS S40900， 1.4512 Stainless Steel Seamless Tube For Oil And Gas Plant
ASTM A268 TP409 stainless steel is a Ferritic steel which has excellent mechanical properties and good high-temperature corrosion resistance. This material of steel is commonly considered as a chromium stainless steel， with various applications in exhaust systems of automobiles and applications which demand weldability.
| Standards | ASTM A268 / ASME SA268 |
| Grade | TP409 / UNS S40900 / 1.4512 |
| Schedule | SCH5， SCH10， SCH10S， SCH20， SCH30， SCH40， SCH40S， STD， SCH80， XS， SCH60， SCH80， SCH120， SCH140， SCH160， XXS， etc. |
| O.D. Size | 3.35 mm To 101.6 mm |
| W.T. | 0.02″ –0.22″， (Special W.T. Available) |
| Length | Single Random， Double Random， Or As Custom |
| Finish | Polished， AP (Annealed & Pickled)， BA (Bright & Annealed)， MF |
| Type | Welded， Seamless， ERW， EFW， Fabricated Pipe， ‘U’ bent or Hollow， Hydraulic， LSAW， Boiler， Straight Tube， Tube Coil， Round， Rectangular， Square Tube etc |
| Ends | Plain End， Beveled End， Treaded Pipe & Tube |
Equivalent Grades:
| STANDARD | WERKSTOFF NR. | UNS | JIS | KS |
| TP409 | 1.4512 | S40900 | SUS409 | STS409 |
Chemical composition:
| Grade | C | Mg | Ph | Si | Sl | Cr | Ti | Ni | |
| TP409 | Min | – | – | – | – | – | 10.5 | 6xC | – |
| max | 0.08 | 1 | 0.045 | 1 | 0.045 | 11.75 | 0.76 | 0.5 |
Mechanical properities:
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HRB) max | Brinell (HB) max |
| 450 | 240 | 25 | 75 | 131 |
Physical Properties:
| Grade | Density (g/Cm3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | |||
| 0-100°C | 0-315°C | 0-538°C | 100°C | 500°C | ||||
| TP409 | 7.8 | 200 | 11 | 11.7 | 12.4 | 25.8 | 27.5 | 460 |
Applications:
Aerospace equipments
Chemical Processing Industry
Food Processing Industry
Petroleum Refining Industry
Waste Treatment Industry
