OSMIUM HOLDING LLC. is your one-stop-shop for all your carbon, stainless, and alloy fitting and flange needs. We carry a full line of commodity type items both “approved” and “generic”. Material Test Reports (MTR’s) are available on all material. It is our mission to make available those items that you need, when you need them.

  • Flange Products:

    Flanges
    1/2” – 48” CL 125# – 2500#
    RF and RTJ faced available in all schedules

    Available Specifications
    • ASTM A350-LF2
    • ASTM A694-F52 through F70 High Yield
    • CSAZ245.12 CAT II GR 359
    • ASTM A105, ASTM A105N
    • NACE supplied on request to MR 01-75

    Available Flange Grades
    • Carbon Steel
    • Stainless: TP 304/316/321/347
    • Duplex
    • Nickel Alloys: Hastelloy/Monel/Inconel
    • High Alloy Stainless: Alloy 20/904L/AL-6XN
    • Chrome: F5, F9, F11, F

  • Fitting Products:

    Buttweld Fittings
    1/2” – 78” SCH/5 –XXH

    Available Specifications
    • ASTM A234 WPB
    • ASTM A860 WPHY60
    • ASTM A234 WPC
    • ASTM A860 WPHY65
    • ASTM A420 WPL6
    • ASTM A860 WPHY70
    • ASTM A860 WPHY52
    • MSS SP75-WPH Y52, Y60, Y65
    • CSAZ235.11 CAT II GR359
    • All to NACE MR-01-75

    Forged Steel Fittings ASME B16.11
    1/8” – 4” 3000# – 9000#

    Available Grades
    • Carbon Steel
    • Stainless Steel: TP 304/ 316/321/347
    • Duplex
    • Alloy 20 & Other Nickel Alloys
    • Chrome: F5/F9/F11/F22

  • Additional:

    • Orifice Flanges
    • Crosses
    • Laterals
    • Long Weld Neck
    • Figure 8
    • Blinds
    • Weld Saddles
    • API Flanges
    • Reducing Ells
    • O’Lets
    • Nipples
    • Swage Nipples
    • Unions
    • Malleable Fittings
    • Expansion Joints • Swivel Joints
    • Pipe Supports
    • Pipe Hangers
    • Pipe Fabrication