Yuhong Group specializes in thermal management equipment, pressure vessels, and precision tubular products. With years of metallurgical expertise, we stand as an industry authority in high-reliability heat exchanger tubes for chemical processing and marine cooling environments, supplying seamless tubing, U-tubes, finned tubes, and matched components like tube sheets and baffles globally.
The TP316L grade incorporates molybdenum to enhance resistance against chloride pitting and low carbon to prevent intergranular corrosion post-welding.
| Chemical Element | Specification (wt %) |
|---|---|
| Carbon (C) | ≤ 0.035 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 16.0 - 18.0 |
| Nickel (Ni) | 11.0 - 14.0 |
| Molybdenum (Mo) | 2.00 - 3.00 |
To achieve strict dimensional tolerances and mechanical integrity required by shell-and-tube configurations, our manufacturing process adheres strictly to ASME SA-213 requirements:
We support complete thermal system builds through synchronized material processing and matching component fabrication:
What is the difference between ASME A213 TP316L and ASTM A269 TP316L?
ASME A213 is specifically designed for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes, mandating strict wall thickness, pressure testing, and elevated temperature mechanical properties. ASTM A269 covers general service tubing where high-temperature stress capabilities are not explicitly rated.
How does cold working affect the corrosion resistance of TP316L heat exchanger tubes?
Severe cold working creates residual stresses that can accelerate stress corrosion cracking (SCC) in chloride environments. Solution annealing post-drawing or post-U-bending restores full corrosion resistance and mechanical ductility.
