ASTM A249 TP316L Welded Tubes For Heat Exchangers
Manufacture：welded process,
Outside Diameter：12.7mm——127mm
Wall thickness：0.9mm——12.7mm
Length：6000mm、12000m or specified length as require
Payment：L/C or T/T
Delivery: 7-15 days after payment
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden)
ASTM A249 TP316L SS welded tubes for heat exchangers introduction
ASTM A249 TP316L Stainless steel welded tubes for heat exchangers have pitting resistance three times higher than 304L welded tubes. They passed the ASTM B117 salt spray test for 2,000 hours without red rust. They are suitable for high chloride environments such as seawater (Cl⁻≥35,000ppm), salt solutions, and wet chlorine. They have a service life of more than 10 years in highly corrosive environments, which is 2-3 times that of 304L welded tubes, reducing downtime and replacement costs caused by corrosion perforation.
Complies with ASTM A249, ASME BPVC, FDA and other standards, and provides EN 10204 3.1 material certification and intergranular corrosion/water pressure test reports to ensure project acceptance and long-term operational reliability.
ASTM A249 TP316L Stainless steel condenser tubes
What is the core difference between TP316L and TP316 stainless steel welded pipes?
TP316L carbon content ≤0.03% (ultra-low carbon), TP316 carbon content ≤0.08%;
TP316L uses low-carbon design to avoid the precipitation of chromium carbide (Cr₂₃C₆) in the heat-affected zone of welding, and its resistance to intergranular corrosion is significantly enhanced, which is especially suitable for frequent welding of heat exchangers, tube-to-sheet connections and other scenarios.
Why choose GNEE?
GNEE is a professional supplier of stainless steel welded pipes. We understand product parameters and industry application cases. If you need technical consultation or boiler piping system design support, please contact us for free corrosion condition analysis and customized quotation to provide long-life and high-reliability pipe solutions for your boiler equipment!
Specification of ASME SA249 TP316L Welded Tube
ASTM A249 SS 316L Tube Chemical Properties
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | – | – | – | – | – | 16.0 | 2.00 | 10.0 | – |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Mechanical Properties of ASTM A249 TP316L Stainless Steel Tube
| Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Supplier of ASME SA 249 TP316L Stainless Steel Welded Tubing
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