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ASTM A249 TP316L Bright Annealed Stainless Steel Welded Tube Heat Exchanger Tube

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ASTM A249 TP316L Bright Annealed Stainless Steel Welded Tube Heat Exchanger Tube

Brand Name : YUHONG

Model Number : ASTM A249 TP316L Stainless Steel Welded Tube

Certification : ABS, LR, GL, DNV, NK, TS, 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 : Stainless Steel Welded Tube

Standard : ASTM A249 / ASME SA249

Material Grade : TP304, TP304L , TP304H, TP309, TP310S, TP310H, TP316, TP316L, TP316Ti，TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, TP904L

Size : 6.35mm (1/4"), 9.52mm (3/8"), 12.7mm(1/2"), 15.88mm (5/8"), 19.05mm(3/4"), 25.4mm (1"), 31.75mm(1-1/4"), 38.1mm (1-1/2"), 44.45mm(1-3/4"), 50.8mm(2"), 63.5mm(2-1/2"), 76.2mm(3"), 101.6mm (4")

Length : Single Random, Double Random & Cut Length

Tube End : Plain End, Beveled End

Surface : Bright Annealed (BA), Pickled And Annlealed , Polished

Form : Straight & U Bend & Coil

Application : boiler, super heater, heat exchanger and condenser

High Light : ASTM A249 TP316L Stainless Steel Welded Tube, Bright Annealed Weld Tubing

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ASTM A249 TP316L Bright Annealing Stainless Steel Welded Tube for Heat Exchanger

ASTM A249 TP316L welded tubes are premium stainless steel tubes engineered for high-performance applications. Constructed from 316L stainless steel, these tubes provide outstanding resistance to corrosion, particularly in environments with high chloride levels, making them suitable for industries such as petrochemicals, pharmaceuticals, and power generation.

This step can optimize the tube's performance in high-temperature applications with following advantages:

  1. Enhanced Corrosion Resistance: By removing impurities and oxides from the surface, bright annealing improves the protective chromium oxide layer on stainless steel, enhancing corrosion resistance.

  2. Superior Surface Finish: The process results in a smooth, bright, and aesthetically appealing surface finish, making it ideal for applications where appearance is important.

  3. Consistent Mechanical Properties: Bright annealing homogenizes the microstructure, resulting in consistent and improved mechanical properties such as strength and ductility.

  4. Reduction in Secondary Processing: With a clean and bright surface finish, parts may require less machining or polishing after annealing, reducing production times and costs.

  5. Improved Weldability: The process reduces or eliminates surface defects that can weaken welds, thereby enhancing the weldability of the material.

  6. Thermal Stability: The targeted temperature range allows materials to retain their properties under thermal stress, making them suitable for high-temperature applications.

  7. Minimized Contamination: The controlled atmosphere significantly reduces the risk of contaminating the metal surface, ensuring that the properties of the material remain intact.

  8. Durability: The overall durability of the material is improved due to optimally processed microstructures, leading to longer service life in harsh environments.

ASTM A249 TP316L Stainless Steel Welded Tube Equivalent Grade

JIS WNR. / DIN UNS AISI EN
SUS316L 1.4404 S 31603 316L 02Cr17Ni12Mo2

ASTM A249 TP316L Stainless Steel Welded Tube Mechanical Properties

Tensile Stress (Mpa) Yield Stress (Mpa) Elongation (%) Elongation (%)
SA 249 316L 485 170 35 25
1.4404 490-690 190 40 30

ASTM A249 TP316L Stainless Steel Welded Tube Chemical Composition

SA 249 C Mn P S Si Ni Cr Mo N
316L 0.035 2.00 0.045 0.030 1.0 10-14 16-18 2-3
1.4404 0.03 2.00 0.040 0.015 1.0 10-13 16.5-18.5 2-2.5 0.11


Dimensional Tolerences--all dimensions in inches (mm)

Size OD Nominal Wall Outside Diameter Length Wall
1/2" (12.7) 0.065" (1.65)/0.049" (1.25) +/-0.005 (0.13) +1/8" (3.18) - 0 +/-10.0%
3/4" (19.1) 0.065" (1.65)/0.049" (1.25) +/-0.005 (0.13) +1/8" (3.18) - 0 +/-10.0%
1" (25.4) 0.065" (1.65)/0.049" (1.25) +/-0.005 (0.13) +1/8" (3.18) - 0 +/-10.0%
1-1/2" (38.1) 0.065" (1.65)/0.049" (1.25) +/-0.008" (0.20) +1/8" (3.18) - 0 +/-10.0%
2" (50.8) 0.065" (1.65)/0.049" (1.25) +/-0.008" (0.20) +1/8" (3.18) - 0 +/-10.0%
2-1/2" (63.5) 0.065" (1.65) +/-0.010" (0.25) +1/8" (3.18) - 0 +/-10.0%
3" (76.2) 0.065" (1.65) +/-0.010" (0.25) +1/8" (3.18) - 0 +/-10.0%
4" (101.6) 0.083" (2.11) +/-0.015" (0.38) +1/8" (3.18) - 0 +/-10.0%
6" (152.4) 0.083" (2.11) +/-0.030" (0.76) +1" (25.4) - 0 +/-10.0%
6" (152.4) 0.109" (2.77) +/-0.030" (0.76) +1" (25.4) - 0 +/-10.0%
8" (203.2) 0.109" (2.77) +0.061" (1.55)/-0.031" (0.79) +1" (25.4) - 0 +/-10.0%

Applications

  • Chemical Processing: These tubes are commonly used in reactors, heat exchangers, and other equipment in the chemical manufacturing industry, where resistance to aggressive chemicals is crucial.
  • Oil and Gas: A249 TP316L welded tubes are used in pipelines, offshore platforms, and refineries, where durability and resistance to corrosion and high temperatures are necessary.
  • Food and Beverage: The hygienic properties and ease of cleaning make these tubes suitable for food processing, brewing, and dairy equipment, where sanitation is paramount.
  • Pharmaceuticals: In the pharmaceutical industry, the tubes are used in processes and equipment that require strict adherence to cleanliness and contamination prevention.
  • Power Generation: A249 TP316L tubes are utilized in nuclear and thermal power plants, including applications such as steam generators, heat exchangers, and similar equipment.
  • Marine Applications: Their excellent corrosion resistance makes them ideal for use in shipbuilding and marine equipment, helping to protect against seawater corrosion.
  • Cryogenic Applications: These tubes can handle cryogenic temperatures, making them suitable for use in cryogenic storage tanks and equipment used in the liquefaction of gases.
  • HVAC Systems: In heating, ventilation, and air conditioning (HVAC) applications, A249 TP316L tubes are used in heat exchangers and other components to improve efficiency and reliability.
  • Pulp and Paper Industries: They are utilized in various parts of pulp and paper manufacturing processes due to their resistance to chemical and cleaning agents used in these facilities.
  • Water Treatment: A249 TP316L tubes are also instrumental in water treatment facilities, particularly in systems that require resistance to corrosive elements present in water.


ASTM A249 TP316L Bright Annealed Stainless Steel Welded Tube Heat Exchanger Tube


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