AISI 904L Dished Ends Vessel Heads

Dished Ends Vessel Heads

AISI 904L Dished Ends are elliptical heads used in covering ends of pressure vessel or containment tanks in applications involving sulphuric and phosphoric acid processing. These 904l dished ends are produced from prime 904l sheets or plates to ASTM A240/A240M Type 904L / UNS N08904 material specifications. These 904L stainless steel elliptical dish end are available in variety of diameters and style; supplied with required surface treatments and finishes.

Anand Steels is a manufacturer and supplier of AISI 904L dished end and vessel heads; produced, tested and certified as required.. We offer worldwide shipping by Sea or Air freight options.

For more information on AISI 904L Dished End, see below details.

  • Gauge Thickness: Above 1mm to 50mm
  • Style: 2:1 Elliptical, Hemispherical, 6% and 10% Torospherical, Flat Pan Head, Conical Head.
  • Construction: Forged, Pressed and Fabricated
  • Material Specifications: ASTM A182/A182M F904L, A240/A240M Type 904L / 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 Dished Ends Vessel Heads

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 Dished Ends Vessel Heads

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

Applications for AISI 904L Dished Ends Vessel Heads

  • 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