ASTM A249 TP310S Stainless Steel Welded Tubes For Power Generation
310S stainless steel is a high-chromium, high-nickel austenitic stainless steel designed for high-temperature applications. Compared to alloys like 304 stainless steel, it offers excellent oxidation resistance and good high-temperature strength, and performs exceptionally well in high-temperature and corrosive environments. Common applications include furnace components, heat-treating equipment, kilns, and heat exchangers.
ASTM A249 TP310S welded pipe offers excellent oxidation and corrosion resistance at temperatures up to 1100°C, making it an ideal choice for high-temperature power generation applications. Key properties include high chromium/nickel content, excellent high-temperature mechanical strength, and suitability for boilers, superheaters, and heat exchangers. However, heavy welds may require appropriate post-weld annealing to ensure optimal corrosion resistance.
We use TIG (tungsten inert gas) welding to manufacture ASTM A249 310S and A249 310 stainless steel welded pipes. TIG welding protects the pipe surface from oxidation, maintaining the integrity of the weld bead and the parent material at the same level. Argon tungsten arc welding is commonly used for thin-walled stainless steel pipes. This type of welded stainless steel pipe is suitable for heat exchanger systems.
Specifications
Standard:ASTM A249
Grade: TP310S/310H
ASTM A249 tubing size: OD: 4 – 321mm WT: 0.4 – 8.1mm
Length: fixed length or random
Delivery condition: annealing/pickling/ passivization
Packaging: bundle, plywood case.
NDT: Hydrostatic, Eddy currency,etc
310S stainless steel welded pipe Chemical Composition % Max
| Material | C | Mn | P | S | Si | Cr | Ni |
| TP310S | 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 24.0-26.0 | 19.0-22.0 |
310S stainless steel welded pipe Mechanical Property
| Material | Tensile Strength min | Yield Strength min | Elongation (%) | Rockwell Hardness Number,max |
| TP310S | 75ksi ( 515MPa ) | 30ksi ( 205MPa ) | 35 min | B90 |
Key Applications
1.Petrochemical & Refining
· Crackers, reformers, and pyrolysis tube
· Catalyst support grids in harsh chemical environments
2.Power Generation
· Boiler superheaters & heat exchangers
· Waste-to-energy (WTE) plants for flue gas handling
· Nuclear auxiliary systems (non-core components)
3.High-Temperature Processing
· Furnace components (radiant tubes, muffles, rollers)
· Heat treatment & annealing equipment
· Kilns and ceramic firing systems
Gnee Steel's products are widely used in the aerospace, chemical, power, automotive, and nuclear energy sectors. We can provide customized alloy solutions tailored to your needs. For alloy pricing or custom alloy solutions, processed into a variety of practical product forms, including sheet, coil, tube, bar, and wire, please contact us for a quote.
Value-add services
Flange and flare testing, reverse flattening testing, roughness testing, hydrostatic/pneumatic testing, eddy current testing (NDT), surface finish verification, dimensional inspection, material certification.
Highest quality packaging and shipping
The package is packed with waterproof paper and steel strapping, which meets the standard export sea freight packaging requirements and is suitable for various modes of transportation or can be customized according to customer requirements.
Customer Visit
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