ASTM A213 TP316/316L WELDED TUBES

ASTM A213 TP316 / 316L Welded Tubes

ASTM A213 TP316 / 316L Welded Tubes are high-performance austenitic stainless steel tubes designed for high-temperature service applications, including boilers, superheaters, and heat exchangers. Manufactured using premium quality stainless steel grade 316 / 316L, these welded tubes offer superior corrosion resistance, excellent mechanical strength, and enhanced performance in aggressive and chloride-containing environments.

Grade TP316 contains molybdenum, which significantly improves resistance to pitting and crevice corrosion, while TP316L (low carbon version) provides improved weldability and minimizes the risk of intergranular corrosion after welding. These welded tubes are widely used in chemical processing, petrochemical, power generation, marine, and high-temperature industrial applications.

Specifications of ASTM A213 TP316 / 316L Welded Tubes

Product Type	ASTM A213 TP316 / 316L Welded Tubes
Material Grade	TP316 / TP316L Stainless Steel
Standard	ASTM A213 / ASME SA213
Manufacturing Process	Welded (TIG / Laser Welded)
Outer Diameter	1/8" OD to 24" OD (Custom Sizes Available)
Wall Thickness	As per ASTM A213 Standard / Custom Requirement
Length	Single Random / Double Random / Cut Length / U-Bend Tubes
Surface Finish	Annealed & Pickled / Bright Annealed / Polished
End Finish	Plain End / Beveled End
Testing	Hydrostatic Test / Eddy Current Test / PMI Test / Mechanical Testing

Key Features & Benefits

• Superior Corrosion Resistance: Excellent resistance to pitting and crevice corrosion due to molybdenum content.
• High Temperature Strength: Suitable for boiler and heat exchanger applications.
• Low Carbon Option (316L): Reduces risk of intergranular corrosion after welding.
• Excellent Weldability & Fabrication: Easy to form, bend, and weld.
• High Mechanical Strength: Maintains performance under pressure and elevated temperatures.
• Dimensional Accuracy: Manufactured with strict tolerance control as per ASTM standards.
• Long Service Life: Reliable performance in harsh industrial environments.

Applications of ASTM A213 TP316 / 316L Welded Tubes

• Boilers & Superheaters: High-temperature steam applications.
• Heat Exchangers: Efficient heat transfer systems.
• Chemical & Petrochemical Industry: Corrosive fluid handling systems.
• Power Plants: Tubing for thermal and nuclear power projects.
• Marine Applications: Saltwater and offshore environments.
• Oil & Gas Industry: Process and instrumentation tubing.

Quality Assurance

ASTM A213 TP316 / 316L Welded Tubes undergo rigorous inspection and testing procedures to ensure full compliance with ASTM / ASME standards and customer-specific requirements.

• Chemical Composition Analysis: Verification of chromium, nickel, molybdenum content.
• Mechanical Testing: Tensile, flattening, flaring, and hardness tests.
• Non-Destructive Testing (NDT): Hydrostatic, eddy current, and ultrasonic testing.
• Positive Material Identification (PMI): Grade verification.
• Certification: Mill Test Certificate (MTC) as per EN 10204 3.1.

Conclusion

ASTM A213 TP316 / 316L Welded Tubes provide outstanding corrosion resistance, high-temperature strength, and reliable performance for demanding industrial applications. Manufactured under strict quality control and conforming to international standards, these tubes ensure durability, safety, and long-term operational efficiency.