444 Stainless Steel round Pipe/Tube

Manufacturing Processes of 444 Stainless Steel Round Tubes

444 stainless steel round tubes (UNS S4400) are manufactured through various advanced processes:

• Electric Resistance Welded (ERW)
• Seamless fabrication
• Electric Fusion Welding (EFW)
• Cold pilgering process
• Extrusion methods
• Tube mill processing
• Piercing techniques

Our 444 stainless steel round pipes are available with different end types:

• Plain End
• Bevel End
• Threaded End

Wall thickness options range from SCH 5 to SCH XXS, accommodating diverse industrial requirements.

Heat Treatment and Fabrication of 444 Stainless Steel Round Pipe

The 444 stainless steel round tube manufacturing process includes specific heat treatment protocols:

• Normal annealing at 800°C for 90 minutes
• Air quenching post-annealing
• Post-weld annealing when required
• Stress relief treatment at approximately 250°C

Properties and Forming Capabilities

444 stainless steel round pipes offer exceptional characteristics:

• Outstanding formability
• Excellent deep drawing capabilities
• Superior spin forming properties
• Specific stretch forming limitations

Each 444 stainless steel round tube undergoes:

• Rigorous heat treatment
• Comprehensive mechanical testing
• Quality control inspections

These manufacturing processes and properties make 444 stainless steel round tubes ideal for applications requiring superior formability and reliable performance.