The benefits of alloy steel pipe include its tensile strength, yield strength, fatigue resistance, toughness, and wear resistance. As suppliers of seamless and welded alloy steel pipe, Federal Steel specializes in ‘chrome-moly’ SA335 piping in grades P5, P9, P11, P22, and P91. Chrome moly power piping is used extensively in power plants throughout the world.  In addition to SA335, other specifications we offer include A519 and rolled and welded pipe in A-691. Alloy piping products are available in outer diameters through 60” (OD) and up to 4” wall thickness.

Seamless and Welded Alloy Products

  • Size range: ½” nominal through 60” OD
  • Wall Thickness up through 4” thick& heavier upon request
  • Specifications & Grades:
    • SA-335 P5, P9, P11, P22, P91
    • SA-213 T5, T9, T11, T22, T91
    • A519 4130, 4140/42
    • Rolled & Welded A-691