ASTM A269 TP316L Stainless Steel Clean BA Tubes
Certification：ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape：round
Technique：Cold Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
What Is ASTM A269 TP316L Stainless Steel Clean BA Tubes ?
ASTM A269 TP316L seamless and welded austenitic stainless steel tubes are designed for general corrosion-resistant applications, with TP316L being a low-carbon version of 316-making it ideal for high-purity and weld-critical environments.
After bright annealing (BA), ASTM A269 TP316L tubes undergo controlled heat treatment in a protective atmosphere, resulting in a clean, smooth, and reflective inner surface that is perfectly suited for pharmaceutical, food, beverage, semiconductor, and cleanroom applications.
What's the difference between TP316L BA and EP tubes?
TP316L Bright Annealed tubes are thermally treated in a controlled atmosphere to achieve a clean, scale-free finish, while TP316L EP (Electropolished) tubes are chemically polished to achieve even smoother, ultra-clean surfaces with Ra < 0.25μm.
Applications of ASTM A269 TP316L BA Tubes
Pharmaceutical:Clean piping, WFI systems, injectable water lines
Semiconductor:Chemical distribution, UHP gas lines
Biotech:lFermentation tanks, transfer lines
Laboratory:High-purity fluid handling systems
Chemical Process:Low-contamination acid or base transfer lines
Surface of TP316L Stainless Steel Pipe
specification
| Property | Details |
|---|---|
| Standard | ASTM A269 |
| Grade | TP316L (UNS S31603, EN 1.4404) |
| Tube Type | Welded or seamless |
| Surface Finish | Bright Annealed (BA) |
| Diameter Range | 6mm – 101.6mm (1/4" – 4") |
| Wall Thickness | 0.5mm – 2.0mm |
| Length | Fixed length or random (up to 6 meters) |
| Tolerances | As per ASTM A269 / ASTM A632 standards |
| Testing | Eddy current, PMI, pressure, surface roughness |
How to Calculate Weight of 316L BA Tube?
Formula (for round tube):Weight (kg/m) = (OD - WT) × WT × 0.02466
Where:
OD = outer diameter (mm)
WT = wall thickness (mm)
Gnee also offers custom weight calculators or weight per piece based on size and finish.
Why Choose GNEE
At Gnee, we specialize in supplying high-purity 316L stainless steel BA tubes with:
🔹 Certified Quality: ASTM A269 + EN 10204 3.1 / 3.2
🔹 Ultra-clean packaging: PE bag + capped ends + export crate
🔹 Electropolished (EP) or mechanical polished (MP) options available
🔹 Surface roughness test reports, PMI, and pressure testing included
🔹 Global shipping with full export documentation
🔹 Custom fabrication and OEM support for projects and systems
Looking for a reliable supplier of TP316 stainless steel tubes for your next industrial project? Contact Gnee!
inspection
Pitting Resistance Test
Intergranular Corrosion (IGC) Test
Flaring Test, Flattening Test
Hydrostatic Test
Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
ASTM A269 TP316L Stainless Steel Tubes Manufacturer
high quality packaging
FAQ
Q: Can these tubes be used for orbital welding?
A: Yes. Our ASTM A269 TP316L BA tubes have consistent dimensions and clean ID/OD surfaces ideal for orbital and autogenous welding.
Q: What's the MOQ for polished 316L BA tubes?
A: Gnee supports flexible MOQ options based on project needs-starting from 100 meters in most cases.
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