UNS N08904 super stainless steel pipes and tubes

• Alloy material production export——Tianjin Huaan International Trade Co.,Ltd
• Grade:
  • 904L super stainless steel pipes and tubes
  • UNS N08904 super stainless steel pipes and tubes
  • 1.4539 super stainless steel pipes and tubes
• Properties:
  • Super stainless steel, low carbon, high Ni and Mo.
  • Good activation-passivation transition ability, good resistance to sulfur, acetic acid, methane acid and phosphoric acid corrosion.
  • With low carbon (max 0.020%), there is no carbide precipitation in normal heat treatment and welding, thus eliminating subsequent risk of intergranular corrosion
• Applications:
  • Equipment like reactors for petro-chemical industry.
  • Gas desulfurization equipment, like tower shell, flue, shutter spray system.
  • Washers and fans used in organic acid process system.
  • Equipment for sea water processing, paper making, sulfur, nitric acid and pharmacy.
  • Food equipment/jars/bottles; centrifugal machine, reactors used in pharmaceutical factory.
• Available standards:
  • ASTM/ASME A312/SA312, A269, ASME B677, EN10216-5
• Chemical composition:
  • Ni:24.0%-26.0%, Cr:19.0%-21.0%, Mo:4.0%-5.0%, C:0.02%max; Si:0.7%max, Mn:2.0%max, P:0.030%max, S:0.010%max, N:0.50%max; Cu:1.0%-2.0%
• Available size range for seamless pipes and tubes:
  • OD:6-114mm
  • WT:0.5-15mm
  • Lead time: 40days