ASTM A269 TP304 Annealed Pickled SS Tubes
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 annealed pickled stainless steel tube?
ASTM A269 specifies seamless and welded austenitic stainless steel tubes for general purposes, particularly suitable for applications requiring corrosion resistance and mechanical strength.
ASTM A269 TP304 annealed pickled stainless steel tube is a seamless or welded austenitic stainless steel tube made from TP304 (UNS S30400). It undergoes annealing heat treatment to improve ductility and relieve stress, followed by pickling to remove oxide scale and ensure a clean, rust-free surface. It is widely used in industries that require corrosion-resistant, clean, and durable piping.
ASTM A269 TP304 Stainless steel pickled tube
Annealed and pickled 304 stainless steel tubes have better corrosion resistance, smooth surface, better weldability and formability, and annealing treatment brings better mechanical properties.
In addition, the surface of 304 stainless steel tubes is smooth and matte after pickling, but in order to improve the aesthetics or meet sanitary applications, mechanical polishing or electrolytic polishing can also be performed.
Annealed pickled TP304 tubing used
Food & beverage industry
Pharmaceutical systems
Heat exchangers & condensers
Chemical transport lines
General mechanical or structural applications
TP304 Stainless steel BA pipe Specifications
SA269 Type 304 Seamless Tubes Chemical Composition
| Grades | Carbon | Chromium | Phosphorus | Sulfur | Manganese | Silicon | Nickel |
| TP304 | 0.08 | 18.0-20.0 | 0.045 | 0.03 | 2 | 1 | 8.0-11.0 |
SA269 TP304 Cold Draw Seamless Tubes Mechanical Properties
| Material | Temperure | Heat | Yield Strength | Tensile Strength | Elongation |
| Min.º F(º C) | Treatment | Ksi (MPa) | Ksi (MPa) | ||
| TP304 | 1900 (1040) | Solution | 30(205) | 75(515) | 35 |
| Specification Item | Details |
|---|---|
| Material Grade | TP304 (UNS S30400) |
| Standards | ASTM A269 (for seamless and welded austenitic tubes) |
| Heat Treatment | Solution Annealed |
| Surface Finish | Pickled (descaled surface), optional polishing available |
| Outer Diameter (OD) | 1/4" to 2" (6.35 mm – 50.8 mm) |
| Wall Thickness | 0.5 mm – 3.0 mm (customizable) |
Why choose GNEE
✅ Certified Quality – Pipes meet ASTM A269 standards with full material traceability and mill test certificates (EN 10204 3.1/3.2).
✅ Precision Manufacturing – Advanced production lines ensure tight dimensional tolerance and mirror-like BA surface finish.
✅ Flexible Supply Options – Available in both seamless and welded forms with custom OD, thickness, and lengths.
Looking for high-quality ASTM A269 TP304 annealed pickled stainless steel tubing?
📧 Contact us now for technical datasheets, best pricing, and expert support for your application!
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