321 Stainless Steel Pipe Applications
Jan 28, 2026
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FAQs:
1. What industries use 321 stainless steel pipes? Petrochemical, power plants, aerospace exhaust, and marine engineering.
2. What standards apply to 321 pipes? ASTM A249 (welded), ASTM A269 (seamless), and ASME SA249/SA269.
3. Can 321 pipes be used for high-pressure applications? Yes, when properly sized and welded, they handle moderate to high pressures.
4. Are 321 pipes available in custom sizes? Yes, outer diameter (10-630mm) and wall thickness (1-20mm) can be customized.
5. How to connect 321 stainless steel pipes? Welding is preferred, with TIG/MIG processes recommended for best results.
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