Product Overview – TP310S Welded Stainless Steel Pipes
ASTM A312 TP310S is the low carbon version of 310 stainless steel. The reduced carbon content minimizes carbide precipitation during welding and continuous high-temperature service.
Unlike standard 310, 310S offers better weld integrity and reduced risk of sensitization while maintaining excellent resistance to oxidation and scaling.
Welded TP310S pipes are widely specified in furnaces, radiant tubes, heat exchangers, and petrochemical process systems exposed to prolonged elevated temperatures.
This grade balances heat resistance with fabrication reliability.
Standard & International Identification - TP310S Welded Stainless Steel Pipes
Technical Specifications – ASTM A312 TP310S Welded Pipes
| Pipe Type: | Welded / ERW |
| Outer Diameter Range: | 1/8″ NB to 36″ NB |
| Wall Thickness: | SCH 5S to SCH 160 |
| Standard Length: | 6m, 12m, Custom Length |
| Surface Finish: | Pickled, Annealed, Industrial Finish |
| Pipe Ends: | Plain End (PE), Beveled End (BE) |
| Inspection: | Hydrostatic, Weld Seam Testing, PMI |
| Certification : | EN 10204 3.1 / 3.2 MTC |
| Dimensional compliance: | ASME B36.19M. |
All specifications are in accordance of ASTM A312 / ASME SA312 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition of ASTM A312 TP310S Welded Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C) | 0.08% |
| Manganese (Mn) | 2.00 % |
| Silicon (Si) | 1.00 % |
| Phosphorus (P) | 0.045 % |
| Sulfur (S) | 0.030 % |
| Chromium (Cr) | 24.0 – 26.0% |
| Nickel (Ni) | 19.0 – 22.0% |
| Iron (Fe) | Balance |
Note: Lower carbon improves weld performance compared to 310.
Mechanical Properties of ASTM A312 TP310S Welded Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | 40% |
310S maintains high strength stability during thermal cycling.
Heat Resistance & Service Performance of ASTM A312 TP310S Welded Pipes
SS 310S welded pipes provide:
For fabrication-intensive high temperature systems, 310S is often preferred over 310.
Industrial Usage Areas of ASTM A312 TP310S Welded Pipes
- 🔸Petrochemical plants
- 🔸Heat treatment furnaces
- 🔸Radiant tube assemblies
- 🔸Kiln and burner systems
- 🔸High temperature exhaust ducts
- 🔸Power plant thermal components
Understanding Stainless Steel Grades ?
have a look what experts says !