ASTM A269 TP304L Precision Stainless Steel Pipe 3mm-89mm OD 0.5mm-10mm Wall Cold Drawn for Instrumentation
Product Introduction
This ASTM A269 TP304L precision stainless steel pipe is manufactured through a cold drawing process that achieves exceptional dimensional accuracy with OD tolerances as tight as ±0.05mm. The low carbon 304L grade ensures excellent resistance to intergranular corrosion after welding, eliminating the need for post-weld annealing in many applications. Bright annealed surface finish provides a clean, oxide-free surface ideal for sensitive fluid and gas handling systems where contamination must be minimized.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | Precision Stainless Steel Pipe |
| Standard | ASTM A269 / ASME SA269 |
| Steel Grade | TP304L |
| OD Range | 3mm - 89mm |
| Wall Thickness | 0.5mm - 10mm |
| Length | 3m, 6m, or Custom Cut Coil |
| Tolerance | OD ±0.05mm, WT ±10% |
| Surface Finish | Bright Annealed, Pickled |
| Production Process | Cold Drawn Seamless |
| Inspection | Eddy Current, Ultrasonic, Dimensional Check |
Chemical Composition (wt%)
| Parameter | Specification |
|---|---|
| Carbon (C) | ≤0.03 |
| Manganese (Mn) | ≤2.00 |
| Silicon (Si) | ≤1.00 |
| Phosphorus (P) | ≤0.045 |
| Sulfur (S) | ≤0.030 |
| Chromium (Cr) | 18.0-20.0 |
| Nickel (Ni) | 8.0-12.0 |
Mechanical Properties
| Parameter | Specification |
|---|---|
| Tensile Strength | ≥485 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥35% |
| Hardness | ≤90 HRB |
Application Areas
Instrumentation and control systems, Hydraulic and pneumatic tubing, Chromatography and analytical equipment, Medical device and laboratory systems, High-purity gas distribution lines, Semiconductor manufacturing equipment, Aerospace hydraulic systems, Precision flow measurement devices
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