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ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A269 TP316L Stainless Steel Welded Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500kgs
Payment Terms :
L/C,T/T
Delivery Time :
7 DAYS
Packaging Details :
Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name :
Heat Exchanger Tube
Standard :
ASTM A269, ASME SA269
Material :
TP316/316L
OD :
1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.
Thickness :
BWG10-25
Length :
Can Custom
End :
Plain End, Beveled End
High Light :
ASTM A269 TP316L Stainless Steel Welded Tube, Bright Annealed Heat Exchanger Tube
Description

ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Tube Heat Exchanger Tube

ASTM A269 TP316L bright-annealed welded tube is a high-performance solution for heat exchangers. This specification covers longitudinally welded austenitic tubes with low carbon (≤0.035%) to prevent intergranular corrosion—critical for thermal equipment. Bright annealing in a controlled atmosphere yields a clean, scale-free surface that minimizes fouling, enhances heat transfer, and ensures purity, making the tube ideal for chemical, pharmaceutical, food, and ultra-pure water systems. Although ASTM A269 is a general service standard, its tight tolerances, smooth weld seam, and corrosion resistance offer a cost-effective alternative to seamless tubing when ASME A249 compliance is not required.

Pressure / Mechanical Integrity

  • Seamless has no weld seam → inherently stronger for high pressure (e.g., > 3000 psi) and cyclic fatigue applications. Preferred for ASME Section VIII, high‑pressure steam, hydraulic lines.

  • Welded (with BA) – after bright annealing, the weld recrystallizes and has properties nearly equal to the base metal. Suitable for low to medium pressure (typically < 1500 psi) and non‑cyclic service.

Chemical Composition % of ASTM A269 TP316L Stainless Steel Welded Heat Exchanger Tube

Grade UNS Designation C M P S Si Ch Ni Mo
TP316L S31603 0.035 2 0.045 0.03 1 16.0–18.0 10.0–14.0 2.00–3.00


Mechanical properties of ASTM A269 TP316L Stainless Steel Welded Heat Exchanger 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


Physical Properties of ASTM A269 TP316L Stainless Steel Welded Heat Exchanger Tube

Grade
Density
(kg/m3)
Elastic Modulus
(GPa)
Mean Co-eff of Thermal Expansion (m/m/0C)
Thermal Conductivity
(W/m.K)
Specific Heat 0-1000C
(J/kg.K)
Elec Resistivity
(nΩ.m)
0-1000C
0-3150C
0-5380C
At 1000C
At 5000C
316/L

8000
193
15.9
16.2
17.5
16.3
21.5
 500

740

Why Bright Annealed for Heat Exchangers?

For heat exchanger service, surface quality directly impacts performance. The BA finish offers distinct advantages:

  • No Scale or Oxide: Eliminates "chalking" or flaking that could contaminate process fluids or block small tubes.

  • Smoother Surface (Ra ≤ 20 µin typical): Reduces fouling (deposit buildup) and improves heat transfer efficiency compared to pickled or as-welded surfaces.

  • Cleanliness: Ready for high-purity applications (pharma, food, ultra-pure water) without chemical cleaning.

  • Uniform Corrosion Resistance: The weld is fully solution annealed, eliminating galvanic effects between weld and base metal.

​


Application

  • Shell & Tube Heat Exchangers (condensers, evaporators, chillers)

  • U-tube bundles (BA finish allows bending without cracking)

  • Hydraulic & Instrumentation lines in corrosive environments

  • Pharmaceutical / Biotech (clean steam, WFI systems)

  • Chemical processing (acetic acid, chlorides, sulfites)


ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
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ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A269 TP316L Stainless Steel Welded Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500kgs
Payment Terms :
L/C,T/T
Contact Supplier
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube

YUHONG HOLDING GROUP CO., LTD

Verified Supplier
3 Years
ningbo
Since 1990
Business Type :
Manufacturer, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Heat Exchanger Tube, Studded Tube, Duplex Stainless Steel Heat Exchanger Tube
Total Annual :
50M-70M
Employee Number :
50~800
Certification Level :
Verified Supplier
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