304 stainless steel welded pipe standard

Date:2023-06-14View:162Tags:304 stainless steel welded pipe standard,stainless steel welded pipe,welded pipe

  304 stainless steel welded pipe represents the difference between 301, 302, 303, 304L, and 304H. The nickel-based stainless steel with the best process performance and the best oxidation performance is the leader that should not be easily replaced.
  304 stainless steel welded pipe is made of AISI304 stainless steel material, and a variety of steel pipe specifications are commonly used to meet different process requirements. According to the general requirements of welded pipes, ASTM A312 / A312M standard production is implemented, usually made of AISI304 material, which has excellent general performance and good corrosion resistance in the medium of normal temperature -15°C-201°C. According to customer requirements, we can provide 304 stainless steel welded pipe series products for precision and rough product mechanical properties and heat treatment requirements at higher ambient temperature.
  304 stainless steel welded pipe casting integrated technology and precision steel pipe production technology have been perfected, the specific standards are as follows:
  1. Diameter: DN15-DN900;
  2. Wall thickness: precision tube wall thickness: SCH5S-SCH160S, XXS;
  3. Welding method: Welding type: ERW, SAW, LSAW;
  4. Material standard: ASTM A312 / A312M;
  5. Material: 304;
  6. Surface treatment: fiber cloth that can be pasted;
  7. External coating: black paint;
  8. Installation method: adjustable, heating pad, bolt fixing;
  9. Connection method: welding, screw thread;
  10. Working temperature range: -15°C-201°C;
  11. Requirements for compressive strength: meet the requirements of ASTM A312 / A312M pressure pipes;
  12. Inspection standard: 100% visual inspection;
  13. Packaging requirements: bundles, film sleeves, pallets, boxes, box sand mouths, etc.
  304 stainless steel welded pipe performance characteristics:
  1. Oxidation resistance: AISI304 stainless steel has the best oxidation resistance, can effectively resist corrosion marks, and has a long service life;
  2. Weldability: It has good weldability and can be welded by ordinary welding methods. The use of chromium-free molybdenum and matrix elements can improve its welding force;
  3. Ductility: It has good ductility, making it able to withstand greater stress;
  4. Corrosion resistance: It has excellent corrosion resistance and can effectively resist the invasion of various harmful media;
  5. Mechanical properties: It has quite good mechanical properties and can effectively withstand the internal pressure of the span;
  6. Toughness: Its toughness is also very superior, so that it will not break due to external damage or impact;
  7. Anti-fatigue performance: It has good anti-fatigue and reliability, and can adapt to various changes in the environment for a long time and stably;

  8. Excellent blasting performance: It has excellent blasting performance. When the welded pipe is blasted under high pressure, there will be no cutting margin and no dust hazard.

304 stainless steel welded pipe


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