ASTM A312 TP304 Pressure Vessel Pipes
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 A312 tp304 Stainless Steel Pressure Vessel Piping?
For high-pressure and high-temperature fluid systems, ASTM A312 TP304 pressure vessel pipes are a trusted solution,Made from austenitic stainless steel in seamless or welded form, these pipes are ideal for pressure vessels, boilers, and heat exchangers where durability and safety are essential.
With low carbon content and excellent weldability, TP304 pipes comply with international standards such as ASME and EN 10204, ensuring long service life and low maintenance costs even in demanding industrial environments.
tp304 seamless stainless steel pipe
Why choose TP304 for pressure vessel piping?
304 pipes for heat exchangers are approximately 20-30% less expensive than 316L stainless steel and 40-50% less costly than duplex stainless steels such as 2205. They are suitable for pressure vessels in moderately corrosive, non-chloride environments-such as freshwater storage tanks and air compressor pipelines. In non-aggressive corrosion conditions, their service life can exceed 30 years, with maintenance costs only about one-third of those for carbon steel, as they do not require frequent anti-corrosion coatings.
304 stainless steel pressure pipe Specification
| Standard | ASTM A312 |
| Material Grade | TP304 (AISI 304 / UNS S30400) |
| Steel Type | Austenitic Stainless Steel |
| Manufacturing Type | Seamless (SMLS), Welded (ERW/EFW) |
| Outer Diameter (OD) | 1/8 inch (6.35 mm) to 24 inches (610 mm) |
| Wall Thickness | SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160, or custom |
| Length | 6 meters (20 ft), 12 meters (40 ft), or as per customer requirements |
| End Type | Plain End (PE), Beveled End (BE), Threaded End (NPT/BSP) |
| Surface Finish | Pickled, Bright Annealed, Polished (upon request) |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength (0.2% offset) | ≥ 205 MPa |
| Elongation | ≥ 35% |
| Heat Treatment | Solution Annealed |
| Certification | EN 10204 3.1 / 3.2, ASME Section II, PED, ISO 9001 |
Why choose GNEE
GNEE offers ASTM A312 TP304 pipes with full material traceability, third-party inspection support, and fast turnaround times. Whether for replacement piping or new installation projects, our pressure-grade stainless steel pipes deliver performance, reliability, and compliance.
📞 Contact us now for a quote or technical consultation.
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