ASTM A249 TP316L Welded Tube supplier
GNEE is a renowned manufacturer, exporter, distributor, stockist, and supplier of stainless steel bright annealed tubes. Our products comply with national and international raw material quality standards.
ASTM A249 TP316L stainless steel bright annealed welded tube is a high-pressure tubing solution that meets ASTM A249 standards, crafted from low-carbon (316L) austenitic stainless steel and processed through a bright annealing technique to achieve a smooth, clean, and corrosion-resistant surface. The TP316L stainless steel welded tube has a diameter range of 6.35 mm to 152 mm, with a wall thickness ranging from 0.02 inches to 0.22 inches. It offers superior corrosion resistance compared to 304 stainless steel, and its length can be customized according to customer requirements. Additionally, we provide 316 stainless steel seamless tubes with precise dimensions, suitable for high-precision applications.

Specifications:
| Specification | ASTM A249 TP 316 Stainless Steel Welded Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes |
| Shapes | ASME SA249 316 Stainless Steel Round, Rectangular, Square, Hydraulic, Straight, U Bend Tube, |
| Manufacturing Type | Welded / Fabricated / ERW / CDW / DOM / CEW / 100% X Ray Welded |
| Delivery Condition | Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF |
| Surface Finish | BA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline |
| OD | 25.4, 16, 190.5, 31.8, 44.45, 38.1, 50.8, 60.3 mm |
| WT Thickness Range | 1.65, 1.0, 0.71, 0.89, 1.25, 1.5, 2.11 mm |
| Standard | SUS, JIS, AISI, ASTM, GB, DIN, EN |
ASTM A249 Stainless Steel Tubes Mechanical Properties
| SS GRADE |
Tensile Strength, min, ksi [MPa] |
Yield Strength, min, ksi [MPa] |
Elongation in 2 in. or 50 mm, min, % |
|---|---|---|---|
| TP316 | 75[515] | 30[205] |
35 |
| TP316L | 70[485] | 25[170] | 35 |
ASTM A249 Stainless Steel Welded Heat Exchanger Tube Chemical Composition
| SS GRADE | ASTM A249 CHEMICAL COMPOSITION % MAXIMUM | |||||||
|---|---|---|---|---|---|---|---|---|
| C | MN | P | S | SI | CR | NI | MO | |
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| TP316L | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 |
Testing and Inspection
GNEE provides manufacturer TCs (test certificates), raw material certificates, 100% radiographic testing reports, and third-party inspection reports conforming to EN 10204/3.1B standards. We also offer standard certificates such as EN 10204 3.1 and additional requirement certificates such as NACE MR 01075.
• EN 10204/3.1B
• Raw material certificates
• 100% radiographic testing reports
• Third-party inspection reports, etc.


Highest quality packaging and shipping
Packed with waterproof paper and steel straps, meeting standard export sea freight packaging requirements, suitable for various modes of transport, or customized according to customer requirements.
1. Surface polishing;
2. Strapping packaging;
3. Wooden crate packaging; wooden pallet packaging
4. Container or bulk packaging;
5. Customized according to customer requirements

Customer Visit


Hot Tags: ASTM A249 TP316L Stainless Steel Bright Annealed Welded Tube,Stainless steel tube





