ASTM A213 TP316 Stainless Steel U Bend Tube For Heat Exchanger
Material:Stainless Steel
Surface Treatment:Polished
Usage:Pipeline Transport, Mining, Construction & Decoration, Special Purpose
Section Shape:Round
Size:Od 6mm-530mm Wt: 1.00mm-20mm
Length:4000-12000mm
Material Grade:304 /304L/316/316L
Cetificate:ISO
Payment Term:L/C T/T
Delivery Time:15-20 Days Ex.Mill
Transport Package:in Bundles or Standard Export Seaworthy Packing
Specification:/2''-42''
Production Capacity:20000 Ton/Tons / Month
If you are seeking high-precision, corrosion-resistant heat transfer solutions, GNEE provides premium ASTM A213 TP316 Stainless Steel U-Bent Tubes, manufactured in strict compliance with international standards including ASTM A213, ASME SA213, ASTM A269, and EN 10216-5. Engineered for demanding thermal systems, our TP316 U-tubes are designed to effectively mitigate common industrial challenges such as chloride-induced corrosion, pitting, stress corrosion cracking (SCC), fouling, and bending fatigue.
Our 316 U-bent tubes are crafted from high-grade UNS S31600 seamless tubing. The production process integrates cold drawing, solution annealing at 1040–1100°C, precision CNC U-bending, and post-bend stress relieving, followed by rigorous pickling and passivation. This meticulous workflow ensures a uniform microstructure, excellent dimensional stability, and ultra-smooth internal surfaces to optimize flow dynamics.

GNEE offers SS TP316 U-bent tubes with an Outer Diameter (OD) ranging from 12.7 mm to 50.8 mm and Wall Thickness (WT) from 1.0 mm to 5.0 mm, with customizable leg lengths and R-radii to fit your specific bundle design. Available in Bright Annealed (BA) or Pickled & Passivated finishes, these tubes are optimized for continuous service temperatures up to 800°C, ensuring long-term durability in high-temperature heat transfer applications.
316 Stainless Steel U Bend Tube Specification
| Production | U Stainless Steel Seamless Pipe/Tube |
| Technique | Seamless (Cold Drawn/Cold Rolling) |
| Standard | GB/T 14975-2002,GB/T 14976-2002,GB 13296-2007,GB 9948-2006,GB 5310-95 |
| ASTM A312, ASTM A213, ASTM A269 and ASTM A511, ASTM A789 and ASTM A790 | |
| JIS 3463 and JIS 3459 | |
| DIN 2462, DIN 17458 and DIN 17456 | |
| GOST 9941 | |
| Out Diameter | 1/8"~32" (6mm~830mm) |
| Wall Thickness | SCH10S,SCH40S,SCH80S,SCH160S (1mm~60mm) |
| Material | TP304,TP304L,TP304H,TP316,TP316L,TP316Ti,TP309,TP310S,TP314, |
| TP317L,TP321,TP347H,904L,S31803,S32205,S32750 etc. | |
| Length | 1-12m or as customers required |
| Surface treatment | polishing,annealing,bright annealing and acid pickling |
Application of Tp316L Stainless Steel Heat Exchanger U Tube
Chemical and Petrochemical Processing: Used extensively in heat exchangers, reboilers, and condensers due to excellent resistance to corrosion, pitting, and acids.
Oil & Gas Industry: Applied in refining processes, specifically for preheating crude oil or cooling, where high temperature and corrosive fluids are common.
Power Generation (Nuclear and Conventional): Used in boiler superheaters, condensers, and heat exchangers for thermal management in power stations.

If you have a project need for 316 stainless steel heat exchanger tubes, we welcome your order. GNEE has a large inventory of popular products for you to choose from. They can be processed into a variety of practical product forms. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service.
Testing & Inspection
They have also undergone 100% hydrostatic testing, eddy current testing, PMI analysis, and EN 10204 3.1 certification.


ASTM A213 TP316 Stainless Steel U Bend Tube Manufacturer
Our TP316 stainless steel U-bends are widely exported to Europe, the Middle East, Southeast Asia, and South America. They are ideal for shell-and-tube heat exchangers, condensers, boilers, petrochemical plants, and marine cooling systems, offering advantages such as long service life and reliable heat transfer performance.


high quality packaging
Packaged in bales or laminated wooden crates, wrapped in plastic, and appropriately protected to ensure seaworthiness for transport, or as required.
Marking must comply with Specification A1016/A1016M. Marking must include information on whether the pipe is hot-finished or cold-finished, including but not limited to: standard, grade, size, heat number, and batch number.


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