ASTM A269 TP304 Stainless Steel Boiler Tube
Material：Stainless Steel
Surface Treatment：Polish, Sandblasting, Pickling
Shape：Round
Technicial：Cold Rolling/Drawing
Outside Diameter：3.18-810mm
Wall Thickness：0.2-40mm
Size：8"-72"(DN200-DN1800)/219.1mm-1829mm
Standard：ASTM A312, ASTM A213, ASTM A269, etc.
Transport Package：with Plastic Caps on Both End, Pack Into Bundle
What is ASTM A269 TP304 Stainless Steel Boiler Tube?
ASTM A269 is a standard for austenitic stainless steel pipes for boilers and heat exchangers developed by the American Society for Testing and Materials (ASTM). TP304 stainless steel pipe is one of the commonly used materials (containing 18% chromium and 8% nickel). It is a seamless or welded structure with excellent high temperature and corrosion resistance. It is widely used in fluid transportation under high temperature and high pressure conditions, such as boiler pipes, heat exchangers, etc.
ASTM A269 TP304 Stainless steel heat exchanger tubes
Advantages of TP304 Stainless Steel Tubing
What are the advantages of TP304 Stainless Steel Tubing for Heat Exchanger compared to other materials (such as 316L, carbon steel)?
Corrosion resistance: better than carbon steel, better performance in humid, mild acid and alkali or chlorine-containing environments, suitable for non-strongly corrosive scenarios (if strong acid and alkali resistance is required, 316L can be selected).
Cost-effectiveness: high cost performance, comprehensive performance meets the needs of most industrial scenarios, and maintenance costs are low.
What is the maximum temperature resistance limit of 304 Stainless Steel Heat Exchange Tubing?
The short-term maximum temperature resistance is about 850℃, and the long-term stable working temperature is recommended not to exceed 800℃, at which time it can still maintain good oxidation resistance and mechanical properties. It can be used at -196℃ (liquid nitrogen environment), there is no risk of brittle fracture at low temperatures, and it is suitable for freezing or deep freezing equipment.
Why choose our TP304 stainless steel boiler tube?
✅ Strict quality control: Each batch of products comes with a material certificate (MTC), flaw detection report and mechanical properties test report;
✅ Fast delivery: 500 tons + in stock, supporting small batch samples and large-scale order customization;
✅ Technical support: Provide one-stop service for material selection consultation, working condition simulation analysis and installation guidance.
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TP304 high pressure stainless steel tubing Specification
| Standard | ASTM A269 / ASME SA-269 (Seamless/Welded Austenitic Stainless Steel Tubing) |
| Grade | TP304 (UNS S30400) - 18% Chromium, 8% Nickel, ≤0.08% Carbon6 |
| Dimensions | |
| Outer Diameter | 6 mm to 219 mm (0.236" to 8.625") (Common sizes: 12.7 mm to 127 mm1) |
| Wall Thickness | 0.5 mm to 12 mm (0.020" to 0.472") (Typical: 0.8 mm to 4 mm4) |
| Length | Customizable (Typical: 3 m to 12 m; Max. 25 m1) |
| Tolerances | |
| Outer Diameter | ±0.5% or ±0.3 mm (whichever is greater) (For NPS 1/8–1 1/2: ±0.4 mm2) |
| Wall Thickness | ±10% (For NPS 1/8–2 1/2: +20%/-12.5%2) |
| Weight | Calculated by formula: Weight (kg/m) = 0.02491 × (OD - WT) × WT9 |
| Surface Finish | Annealed & Pickled (AP), Bright Annealed (BA), Polished, Electropolished |
TP304 Stainless steel seamless pipe for boiler Supplier
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