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

  1. China ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
  2. China ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
  3. China ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube
  4. China ASTM A269 TP316L Stainless Steel Welded Tube Bright Annealed Heat Exchanger Tube

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

  1. MOQ: 500kgs
  2. Price:
  3. Get Latest Price
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
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

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  1. Product Details
  2. Company Details

Product Specification

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 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
High Light ASTM A269 TP316L stainless steel tubewelded heat exchanger tubebright annealed stainless steel tube

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)

 
 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    1990

  • Total Annual:

    50M-70M

  • Employee Number:

    50~800

  • Ecer Certification:

    Verified Supplier

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...

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  • YUHONG HOLDING GROUP CO., LTD
  • 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
  • https://www.steelfintube.com/

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