ASTM A249 TP310S Welded And Drawn Tubing
Section Shape：Round,
Size：12.7~152.4mm,
Standards：ASTM A249,
Surfaces：Unpolish, Mill Finish, Polish.,
Export Packing：Ply-Wooden Case / Bundle with Plastic Cap.,
Applications：Heater,Boiler,Heat Exchanger,Dairy,Food Industry.,
ASTM A249 TP310S welded and drawn tubing introduction
ASTM A249 TP310S tube, 25Cr-20Ni alloy, resistant to 1150℃ high temperature oxidation, welding + drawing process to ensure precision and strength, suitable for power, chemical industry, heat treatment, provide ASME certification and customized processing, spot delivery.
ASTM A249 Stainless Steel 310S Boiler Tubes
Advantages of ASTM A249 TP310S welded tube
ASTM A249 TP310S welded and drawn tubes are made of 25Cr-20Ni high chromium nickel alloy. They can be used for a long time at 1000-1150℃, and have outstanding resistance to high-temperature oxidation, sulfidation and carburization, making them suitable for harsh high-temperature scenarios such as ethylene cracking furnaces and power plant boilers.
The welding process (ERW/TIG) of ASTM A249 TP310S stainless steel tubes ensures reliable connection, and the weld strength reaches more than 95% of the parent material; the cold drawing process achieves precise dimensions (outer diameter tolerance ±0.15mm, Ra≤1.6μm), and the surface can be pickled, passivated or electrolytically polished, which is suitable for chemical corrosion or high-cleanliness environments of food and medicine.
TP310S Stainless Steel Electric Resistance Welded Pipe Price
Each batch is provided with spectral analysis, intergranular corrosion, and water pressure test reports, and a 15-year service life warranty is promised (under normal working conditions). 100% radiographic testing (RT) / ultrasonic testing (UT) welds, 100% water pressure test (1.5 times the design pressure, up to 10MPa), 3.1B material certificate, ASME BPVC Section II certification, and intergranular corrosion and salt spray test reports are provided.
TP310S High temperature resistant stainless steel pipe Specifications
Welding & Processing
| Welding Method | Filler Material | Post-Weld Heat Treatment |
|---|---|---|
| ERW (Electric Resistance Welding) | ER310 (25Cr-20Ni) | 1040–1100°C solution anneal |
| TIG (Tungsten Inert Gas) | ER310L (low-carbon) | Optional stabilization |
| Cold Drawing | N/A | 1050°C bright annealing |
Dimensions & Tolerances
| Parameter | Range |
|---|---|
| Outside Diameter (OD) | 1/8" (3.2 mm) to 12" (304.8 mm) |
| Wall Thickness | 0.015" (0.4 mm) to 0.320" (8.1 mm) |
| Length | Customizable (typically 20'–40' / 6.1–12.2 m) |
| OD Tolerance | ±0.004" (0.10 mm) for OD ≤1" (25.4 mm); ±0.015" (0.38 mm) for OD >4" |
| Wall Tolerance | ±10% of nominal thickness |
| Straightness | ≤1.0 mm/m (cold-drawn tubes) |
| Surface Finish | Pickled & passivated (Ra ≤1.6μm) / mirror polish (Ra ≤0.8μm) |
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