AISI 904L Pipe Fittings

Pipe Fittings

AISI 904L Pipe Fittings covers a group of pipe fittings manufactured out of wrought, forged and cast 904L materials. This includes 904L butt-weld pipe fittings, 904L socket weld pipe fittings, 904L threaded pipe fittings and 904L fabricated pipe fittings.

Anand Steels produces and supplies AISI 904L pipe fittings with butt weld ends in seamless, ERW and welded fabrication; forged fittings with socket weld ends and threaded ends. AISI 904L butt weld pipe fittings are manufactured to ASTM A403 WP904L material specification and ANSI/ASME B16.9, B16.28, ISO, BS EN standards; forged socket weld and threaded pipe fittings to ANSI/ASME B16.11 standard. AISI 904L pipe fittings are duly marked for traceability. We offer worldwide shipping by Sea or Air freight options.

AISI 904L Pipe Fittings Categories

For more information on AISI 904L pipe fittings, see below details.

  • Sizes: 3/8” to 24” NPS (Butt Weld) 3/8 Inch to 4 Inch (Forged)
  • Wall Thickness: Schedule 5/10/20/40/60/80/100/120/160/5S/10S/40S/80S
  • Pressure Ratings: Class 3000, 6000 and 9000
  • Ends: Bevelled End (BE), Socket Weld (SW) and Threaded (F-NPT & M-NPT)
  • Construction: Seamless & Welded (Butt Weld) Forged (Socket Weld & Threaded)
  • Dimensions & Tolerances;: ASME / ANSI , BS, EN, ISO Material Specifications: ASTM / ASME SA403 WP904L, ASTM A182 F904L / UNS N08904, Uranus® B6, X1-Ni-Cr-Mo-Cu-25-20-5, DIN/EN/Werkstoff Number 1.4539
  • Origin: India, China, Taiwan, Korea, Japan, Sweden, Italy, France, Germany, UK & USA

Chemical Requirements for AISI 904L Pipe Fittings

Elements Composition, %
Carbon (C) 0.02 Max
Manganese (Mn) 2.00 Max
Phosphorus (P) 0.04 Max
Sulfur (S) 0.03 Max
Silicon (Si) 1.00 Max
Chromium (Cr) 19.00 – 23.00 Max
Nickel (Ni) 23.00 – 28.00 Max
Molybdenum 4.00 – 5.00 Max
Copper (Cu) 1.00 – 2.00 Max
Nitrogen (N) 0.10 Max

Mechanical Requirements for AISI 904L Pipe Fittings

Elements Composition
Tensile Strength, min ksi [MPa] 71 [490]
Yield Strength, min ksi [MPa] 31 [215]
Elongation in 2 inch or 50mm (or 4D), min % Longitudinal 35
Transverse 25

Typical Applications for AISI 904L Pipe Fittings

  • Process equipment in chemical industry
  • Petrochemical industry
  • Bleaching equipment in the pulp and paper industry
  • Flue gas cleaning
  • Desalination
  • Seawater handling
  • Hydrometallurgy
  • Food and beverage
  • Pharmaceuticals
  • Heat exchangers