Chemical Composition and Mechanical Properties of 329 (S32900) Duplex Stainless Steel

Chemical Composition:

Mechanical Properties:

Applications and Industries Using 329 Duplex Stainless Steel

329 duplex stainless steel is widely used in:

1. Chemical processing industries
2. Oil and gas sector
3. Marine applications
4. Pulp and paper industry
5. Food processing equipment
6. Desalination plants
7. Heat exchangers

Corrosion Resistance and Performance Benefits

329 offers excellent corrosion resistance:

1. High resistance to pitting and crevice corrosion
2. Exceptional resistance to stress corrosion cracking in chloride environments
3. Good performance in marine environments
4. Suitable for use in alkaline conditions

Manufacturing Process and Available Dimensions

329 is typically produced through controlled rolling processes. Available dimensions for plates and coils include:

Welding and Fabrication Considerations

329 has good weldability but requires some precautions:

1. Use matching or over-alloyed filler metals
2. Control heat input to maintain phase balance
3. Avoid excessive ferrite formation
4. Welding should be done with low heat input as possible

Comparison of 329 with Other Stainless Steel Grades

Cost-Effectiveness and Long-Term Benefits

Despite potentially higher initial costs, 329 offers long-term benefits:

1. High strength allows for reduced material thickness
2. Excellent corrosion resistance leads to lower maintenance costs
3. Extended service life in harsh environments
4. Improved performance in critical applications

At HL Steel Company, we provide high-quality 329 (S32900) duplex stainless steel plates and coils, ensuring optimal performance and cost-effectiveness for your industrial applications.