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ASTM A269 TP316L Stainless Steel Seamless Tube Bright Annealed Tubing

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ASTM A269 TP316L Stainless Steel Seamless Tube Bright Annealed Tubing

Brand Name : YUHONG

Model Number : ASTM A269 TP316L Stainless Steel Seamless 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

Packaging Details : Ply-wooden Case/ Bundle with plastic Cap

Product Name : Bright Annealed Tube

Standard : ASTM A269， ASME SA269

Material : TP304/304L/304H, TP310S/310H, TP316L/316H/316Ti ,TP317/317L , TP321/321H, TP347/347H 904L

OD : 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.

Length : Single Random, Double Random & Cut Length

End : Plain End, Beveled End

Type : Seamless, Welded

Surface : Polished, Pickled, Bright Annealed

Application : Heating, Cooling, Instrumentation, Food processing machine,

High Light : ASTM A269 TP316L Stainless Steel Seamless Tube, Stainless Steel Bright Annealed Tube

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ASTM A269 / ASME SA269 TP316L Bright Annnealed Stainless Steel Seamless Tube

ASTM A269 tubing cover pickling and bright annealed surface finish. A269 TP316L bright annealed seamless tubes represent an excellent choice for applications requiring both durability and performance. Their resistance to corrosion, high-temperature resilience, and smooth surface finish make them particularly favored in industries where material integrity is critical. Dimensions of the tubes can range widely, from small diameters (under 1 inch) to larger sizes (up to several inches). Wall thickness can also vary based on specific application requirements.

Advantages

  1. Versatility: Can be used in a wide range of temperatures and environments, making it suitable for many industries.
  2. Long Lifespan: High resistance to corrosion contributes to longer service life and lower overall maintenance costs.
  3. Ease of Fabrication: TP316L can be readily welded and fabricated using standard techniques, facilitating its use in complex assemblies.
  4. Health and Safety: Its hygienic properties make it a safe choice for food and pharmaceutical production.

Equivalent Grades of ASTM A269 TP316L Stainless Steel Seamless Tube

GRADE

WERKS

TOFF NR.

 UNS JIS BS GOST AFNOR EN
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3


Chemical Composition of ASTM A269 TP316L Stainless Steel Seamless Tube

Grade C Mn Si P S Cr Mo Ni Fe
SS 316L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 16.00 - 18.00 2.00 - 3.00 10.00 - 14.00 68.89 min

Physical Properties of ASTM A269 TP316L Stainless Steel Seamless Tube


Grade
Density
(kg/m3)
Elastic Modulus
(GPa)		 Mean Co-eff of Thermal Expansion (µm/m/°C) Thermal Conductivity
(W/m.K)
Specific Heat 0-100°C
(J/kg.K)
Elec Resistivity
(nΩ.m)
0-100°C 0-315°C 0-538°C At 100°C At 500°C
316/L/H 8000 193 15.9 16.2 17.5 16.3 21.5 500 740

Manufacturing Process

  1. Steelmaking: The initial step involves melting scrap stainless steel and alloying it with various elements to produce the desired chemistry.
  2. Piercing: The solid round steel bars are heated and pierced to form a hollow tube, often using a rotary piercing process.
  3. Elongation: The hollow tube is elongated to increase its length and achieve the desired diameter.
  4. Annealing: Tubes are heat-treated to relieve stresses and enhance their properties. The bright annealing process occurs in a controlled atmosphere, preventing oxidation.
  5. Pickling/Passivation: Post-annealing, tubes undergo a treatment to remove scale and enhance the protective oxide layer that contributes to corrosion resistance.
  6. Testing: Various tests such as hydrostatic testing, eddy current testing, and dimensional checks are conducted to ensure quality and adherence to specifications.


Applications

  • Pharmaceutical Industry: Used in the construction of tanks, pipelines, and instrumentation where cleanliness and corrosion resistance are vital.

  • Food and Beverage: Employed in applications such as milk processing and brewing equipment.

  • Chemical Manufacturing: Often used in the manufacture of reactors, evaporators, and heat exchangers.

  • Oil and Gas: Suitable for use in offshore applications where corrosion resistance is a critical aspect.

  • Marine Applications: Commonly used in marine environments due to its resistance to seawater corrosion.


ASTM A269 TP316L Stainless Steel Seamless Tube Bright Annealed Tubing


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