ASTM A269 TP316L Corrugated Tubes for Heat Exchangers

Our ASTM A269 TP316L corrugated tubes are engineered specifically for high-efficiency heat exchanger applications where enhanced heat transfer, superior corrosion resistance, and long service life are critical. Manufactured from premium-grade 316L austenitic stainless steel, these corrugated tubes provide a larger effective heat transfer surface area than conventional smooth tubes while improving fluid turbulence and reducing fouling tendencies.

Designed for demanding industries such as petrochemical processing, power generation, marine engineering, food processing, pharmaceutical manufacturing, and HVAC systems, ASTM A269 TP316L corrugated tubes offer excellent resistance to chloride environments, organic acids, and a wide range of corrosive media.

• Manufactured in accordance with ASTM A269 specifications
• Material grade: TP316L Stainless Steel
• Enhanced heat transfer efficiency through corrugated geometry
• Excellent resistance to pitting and crevice corrosion
• Low carbon content minimizes intergranular corrosion after welding
• Superior formability and weldability
• Suitable for shell-and-tube and compact heat exchanger systems
• Reduced fouling and improved fluid flow characteristics
• Long service life under severe operating conditions

The following dimensions are commonly available for heat exchanger applications:

• Straight lengths
• U-bent tubes
• Continuous coils
• Customized corrugated profiles
• Heat exchanger tube bundles

Custom dimensions can be manufactured according to project specifications and heat exchanger design requirements.

The addition of molybdenum significantly improves resistance to pitting and crevice corrosion, particularly in chloride-containing environments.

These mechanical characteristics ensure excellent pressure-bearing capability and durability in heat exchanger operations.

1. High-quality TP316L stainless steel strip selection
2. Precision tube forming and welding
3. Solution annealing and heat treatment
4. Corrugation forming process
5. Surface finishing and cleaning
6. Dimensional inspection
7. Non-destructive testing
8. Final packaging and shipment

Strict quality control procedures are implemented throughout the manufacturing process to ensure consistent performance and compliance with international standards.

To guarantee product quality and reliability, ASTM A269 TP316L corrugated tubes undergo comprehensive testing procedures, including:

• Tensile Test
• Flattening Test
• Flaring Test
• Reverse Flattening Test
• Hardness Test

• Eddy Current Testing (ECT)
• Hydrostatic Pressure Testing
• Ultrasonic Testing (UT)
• Positive Material Identification (PMI)

• Intergranular Corrosion Test
• Surface Roughness Inspection
• Dimensional Verification
• Visual Examination
• Chemical Composition Analysis

Inspection reports and third-party certifications can be provided upon request.

• Shell and Tube Heat Exchangers
• Condensers
• Evaporators
• Refrigeration Systems
• HVAC Equipment
• Chemical Processing Plants
• Pharmaceutical Manufacturing
• Food and Beverage Processing
• Marine Cooling Systems
• Power Generation Facilities
• Oil & Gas Processing Units

Our corrugated stainless steel tubes are manufactured using advanced production technology and rigorous quality assurance procedures. By combining premium TP316L stainless steel with optimized corrugation geometry, we deliver products that maximize heat transfer efficiency, reduce maintenance costs, and provide reliable performance in the most demanding industrial environments.

Whether you require standard sizes or fully customized solutions, our engineering team can provide technical support and tailored manufacturing services to meet your specific heat exchanger requirements.