ASME SA249 TP316L U Bend Stainless Steel Tube Overview:

ASME SA249 TP316L U Bend Stainless Steel Tube is an outstanding stainless steel tubing meticulously manufactured to meet diverse industrial demands. Manufactured to ASME SA249 standards, this product exhibits exceptional corrosion resistance and superior mechanical performance, making it suitable for a wide range of challenging environments and applications. Here are some key features and detailed information:

ASME SA249 TP316L U Bend Stainless Steel Tube Chemical Composition:

- Carbon (C) Content: ≤ 0.035%

- Silicon (Si) Content: ≤ 1.00%

- Manganese (Mn) Content: ≤ 2.00%

- Phosphorus (P) Content: ≤ 0.045%

- Sulfur (S) Content: ≤ 0.030%

- Chromium (Cr) Content: 16.0% - 18.0%

- Nickel (Ni) Content: 10.0% - 14.0%

- Molybdenum (Mo) Content: 2.0% - 3.0%

- Iron (Fe) Content: Balance

ASME SA249 TP316L U Bend Stainless Steel Tubing Mechanical Properties:

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

ASME SA249 TP316L U Bend Stainless Steel Tube Manufacturing Process:

1. Raw Material Preparation: Utilization of stainless steel billets compliant with chemical composition requirements as the starting material.

2. Hot Rolling: Stainless steel billets are heated and continuously rolled into cylindrical tube blanks at high temperatures.

3. Welding: Employ high-frequency induction welding or other suitable welding techniques to join both ends of the tube blank, creating a continuous tube.

4. Cold Working: Perform cold working on the welded tube, including cold drawing and bending, to enhance dimensional accuracy and mechanical properties.

5. U-Bending: Form a U-shaped bend in a section of the tube to adapt to specific application requirements.

6. Heat Treatment: Improve the crystalline structure of stainless steel by controlling temperature and time, enhancing mechanical performance and corrosion resistance.

7. Pickling: Remove oxides and impurities generated during welding and processing through acid pickling, a common treatment.

8. Trimming and Cutting: Trim both ends of the tube to ensure compliance with specified standards for dimensions and surface quality. Cut the tube to the desired length.

ASME SA249 TP316L U Bend Stainless Steel Tube Quality Control and Testing:

- Chemical Composition Analysis: Inspect raw materials and finished products for chemical composition to ensure compliance with specified requirements.

- Visual Inspection: Examine the appearance of the tubing, including surface finish, absence of cracks, and apparent defects.

- Dimensional Measurement: Use precision measurement tools to check tube dimensions such as diameter, wall thickness, and radius to ensure compliance with specified standards.

- Weld Inspection: Employ X-ray or ultrasonic testing to examine the quality of weld seams.

- Corrosion Resistance Testing: Expose the tubing to environments with varying levels of corrosion to assess corrosion resistance performance.

- Mechanical Performance Testing: Evaluate mechanical properties such as tensile strength, yield strength, and elongation.

- Pressure Testing: Subject the tubing to specified pressures to test its pressure resistance.

- Hardness Testing: Measure the hardness of the tubing using a hardness testing instrument to assess durability.

- Online Bright Solution Annealing, Offline Bright Solution Annealing, Online Eddy Current Testing, Sequential Underwater Leak Testing.

ASME SA249 TP316L U Bend Stainless Steel Tube Applications:

- Chemical Industry: Used in pipeline systems for chemical plants.

- Petroleum and Natural Gas Engineering: Applied in petroleum drilling and oil transport pipelines.

- Food Processing: Utilized in food processing and sanitary applications.

- Medical Equipment: Employed for gas and liquid pipelines in medical devices.

- Boilers and Heat Exchangers: Used in industrial boilers and heat exchangers.

ASME SA249 TP316L U Bend Stainless Steel Tube Size

"Bend Radius Options: Ranging from 1.5 times the Outside Diameter (OD) to 1500mm.

For tubes with a bend radius less than or equal to 1.5 times the OD, it is essential to agree on geometric precision during the ordering process.

Maximum Length of Straight Tubes (before bending): 35000 mm.

Leg Length: Minimum 1 meter, Maximum 16500 mm (for a maximum R=1500mm).

Please note that other sizes are available by mutual agreement.

ASME SA249 TP316L U Bend Stainless Steel Tube