ASTM A268 TP409 Ferritic Stainless Steel Seamless Tube for High-Temperature

Product Specification

ASTM A268 TP409 Ferritic Stainless Steel Seamless Tube for High-Temperature Service

Heat-Resistant Ferritic Stainless Steel Tube Manufactured to ASTM A268

ASTM A268 TP409 Ferritic Stainless Steel Seamless Tube is designed for applications requiring reliable oxidation resistance and moderate corrosion resistance at elevated temperatures. As a straight-chromium ferritic stainless steel, TP409 offers good thermal stability, excellent weldability and cost-effective performance, making it widely used in exhaust systems, heat exchangers, petrochemical equipment and industrial process piping.

YUHONG supplies ASTM A268 TP409 seamless tubes manufactured under strict quality control in accordance with ASTM A268 / ASME SA268 requirements. From raw material inspection to final testing, every production stage is carefully monitored to ensure dimensional accuracy, stable mechanical properties and consistent product quality for industrial applications.

Technical Specifications

Product Features

• Good Oxidation Resistance

TP409 maintains stable oxidation resistance in elevated-temperature environments, making it suitable for heat-related industrial applications.

• Reliable High-Temperature Performance

The ferritic stainless steel structure provides stable mechanical performance during continuous service under moderate high-temperature conditions.

• Good Weldability

TP409 offers good weldability and fabrication characteristics for industrial piping and heat transfer equipment.

• Cost-Effective Material Solution

Compared with higher-alloy stainless steels, TP409 provides a practical balance between corrosion resistance, heat resistance and material cost.

• Strict Quality Assurance

YUHONG controls every production stage through comprehensive inspection procedures to ensure compliance with ASTM A268 dimensional, mechanical and testing requirements.

TP409 vs TP430 vs TP439 Comparison

• Heat Resistance

• Corrosion Resistance

• Weldability

• Typical Applications

• Cost

Applications

ASTM A268 TP409 Ferritic Stainless Steel Tubes are widely used in:

• Heat Exchangers

• Petrochemical Equipment

• Refinery Process Lines

• Industrial Furnaces

• Exhaust Gas Systems

• Boilers

• Heat Recovery Systems

• Industrial Processing Equipment

• Power Generation Facilities

• Automotive Exhaust Components

Inspection & Testing

• Positive Material Identification (PMI)

• Hydrostatic Test

• Eddy Current Test (ECT)

• Ultrasonic Test (UT)

• Chemical Composition Analysis

• Mechanical Property Test

• Dimensional Inspection

• Surface Quality Inspection

• Visual Inspection

Why Choose YUHONG

• Manufactured in accordance with ASTM A268 / ASME SA268

• Complete supply range of seamless, welded, U-bend and coil tubes

• Full material traceability and comprehensive inspection

• Customized dimensions, lengths and surface finishes

• EN 10204 3.1 certification and third-party inspection available

• Export experience supporting power generation, petrochemical and industrial processing projects worldwide

Frequently Asked Questions

• What is ASTM A268 TP409 stainless steel tube?

TP409 is a ferritic stainless steel tube designed for general corrosion-resisting and elevated-temperature service, offering good oxidation resistance and weldability.

• Is TP409 suitable for high-temperature applications?

Yes. TP409 is commonly used in exhaust systems, industrial furnaces, heat exchangers and other applications where oxidation resistance at elevated temperatures is required.

• What is the difference between TP409 and TP304?

TP409 is a ferritic stainless steel offering good heat resistance and cost efficiency, while TP304 is an austenitic stainless steel with higher general corrosion resistance and broader chemical service capability.

• Can customized sizes be supplied?

Yes. Outside diameter, wall thickness, length and surface finish can be customized according to project specifications.