Product Overview – ASTM A269 TP310H Welded Tubes
ASTM A269 TP310H welded stainless steel tubes are specially designed for applications that require enhanced strength at elevated temperatures along with reliable corrosion resistance.
The “H” grade indicates higher carbon content, which improves creep strength and structural stability during long-term exposure to high temperatures. The high chromium and nickel levels further enhance oxidation resistance and scaling resistance in thermal environments.
These welded tubes are manufactured using precision cold-rolled stainless steel strips that are automatically welded, heat treated, and surface finished to ensure dimensional accuracy and metallurgical consistency.
Because of their superior heat resistance and mechanical performance, ASTM A269 TP310H welded tubes are commonly used in furnace equipment, refinery processing units, chemical plants, and high temperature industrial piping systems.
Standard & International Identification - ASTM A269 TP310H Welded Tubes
Technical Specifications – TP310H Welded Tubes
| Tube Type: | Welded Stainless Steel Tubes |
| Manufacturing Process: | Cold Rolled Strip → Automatic Welding → Heat Treatment → Pickling & Passivation |
| Outer Diameter: | 6 mm to 114 mm |
| Wall Thickness: | 0.5 mm to 6 mm |
| Length Options: | Random / Cut Length / Custom Fabricated Tubes |
| Surface Finish: | Bright Annealed / Pickled & Annealed / Polished Finish Available |
| Testing & Inspection: | Hydrostatic Test, Eddy Current Test,Flattening Test, PMI, Flaring Test |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A269 / ASME SA269 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – Stainless Steel TP310H Welded Tubes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.04 - 0.10% |
| Manganese (Mn): | 2.00 % |
| Silicon (Si): | 1.50% |
| Phosphorus (P): | 0.045 % |
| Sulfur (S): | 0.030 % |
| Chromium (Cr): | 24.0-26.0% |
| Nickel (Ni): | 19.0-22.0% |
| Iron : | Balance |
Note: The higher carbon content improves creep resistance and high-temperature mechanical strength.
Mechanical Properties – ASTM A269 TP310H Tubes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength | 205 MPa |
| Elongation | 35% |
These mechanical characteristics provide excellent durability in continuous high-temperature industrial operations.
High Temperature Performance of SS 310H Tubes
SS 310H tubes are specifically designed for environments involving prolonged exposure to high heat and thermal stress.
Key performance advantages include:
Because of these properties, TP310H stainless steel tubing is widely used in high-temperature industrial processing systems.
Major Industrial Applications of TP310S welded stainless steel tubes
- ASTM A269 TP310H welded stainless steel tubes are widely used in:
- 🔸Industrial Furnace Systems
- 🔸Refinery Process Equipment
- 🔸Thermal Power Generation Units
- 🔸High Temperature Heat Exchangers
- 🔸High Temperature Exhaust Systems
- 🔸Chemical Processing Facilities
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