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All You Need to know about Stainless Steel 904L Pipes

What are Stainless Steel 904L Pipes?

  • The ASME SA 312 TP904L alloy contains a significant amount of nickel, allowing the tube to perform exceptionally well even in overground applications. Stainless Steel 904L Pipe is a non-magnetic alloy that also has excellent resistance to stress-related corrosion cracking.
  • The presence of molybdenum in the alloy makes crack corrosion less likely. Apart from environmental and high-temperature applications, ASTM A312 TP904L is primarily used in corrosive applications.
  • Mechanical tests like shear and longitudinal load tests, as well as flatness tests. To determine compliance with tensile properties, tests were performed on a 904L seamless pipe.
  • Supplier of Stainless Steel 904L Hot Rolled Pipes, ASTM B674 Stainless Steel TP 904L Square Pipes, and AISI/JIS Stainless Steel 904L Pipes. Grade 904L (UNS N08904) pipe is a low-carbon austenitic stainless steel with excellent strength and toughness properties at high temperatures. Our SS 904L pipe has a higher composition, which makes it more resistant to sensitization during welding and too strong reducing acids like sulfuric acid.
  • Every 904L Pipe must be supplied in a heat-treated condition, with the appropriate heat treatment temperature and reason for cooling or testing, according to ASTM A312.


Features of Stainless Steel 904L Pipes

  • Stainless Steel 904l outperforms chrome-nickel stainless steels in terms of corrosion resistance.
  • Good pitting resistance in chloride-based conditions¬†
  • Sulphuric, acetic, and phosphoric acids are not attacked.
  • Stress corrosion cracking and crevice attack are controlled.

Working Conditions abilities of Stainless Steel 904L Pipes?

Stainless Steel 904L Pipes are hot-worked at temperatures ranging from 1200 to 900 degrees Celsius. After that, the process is finished with water quenching and rapid air cooling. In the temperature range of 600 to 800 degrees Celsius, stainless steel 904L pipes are incapable of forming a circle. These 904L pipes show the formation of oxide scale and improve adhesion spalling resistance. Air-gas works well for joining two Stainless Steel 904L Pipes, as it reduces the likelihood of weld solidification cracks.

Application of Stainless Steel 904L Pipes

  • SAE 904L Air Pollution Control Tubes- scrubbers for coal-fired power plants
  • Tubes with the UNS N08904 designation are primarily used in seawater cooling devices.
  • Electrostatic precipitators can use SS 904L tubes for wiring.
  • Oil refinery components use WNR 1.4539 tubes.
  • Gas scrubbing plants can also benefit from AISI 904L tubes.


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