MSPiping Products

Buttweld Fittings

Seamless and welded buttweld fittings per ASME B16.9. Available from ½″ to 60″ NPS in all standard and heavy wall schedules.

90° and 45° Long/Short Radius Elbows
Equal and Reducing Tees
Concentric and Eccentric Reducers
Caps
Crosses
Stub Ends

Material & Grade Specifications

All items available to order. Contact us for non-standard sizes, special alloys, or mill test certificates. Grades listed per ASTM / ASME / API standards.

Carbon & LTCS High Yield Cr-Mo Alloy Austenitic SS Duplex / Super Duplex Nickel Alloy / Inconel Copper Nickel
Type Size Range Wall / Schedule Carbon & LTCS High Yield Cr-Mo Alloy Austenitic SS Duplex / Super Duplex Nickel Alloy / Inconel Copper Nickel
BW Fittings
Seamless · Welded
ASME B16.9
½″ – 60″ NPS Sch 10 – Sch XXS
Standard · Heavy
ASTM A234 WPB ASTM A420 WPL6 ASTM A420 WPL3 ASTM A860 WPHY 52 – 65 ASTM A234 WP11 ASTM A234 WP22 ASTM A234 WP5 ASTM A234 WP9 ASTM A403 WP304/H/L ASTM A403 WP316/H/L ASTM A403 WP321/H ASTM A403 WP347/H ASTM A403 WP31254 ASTM A815 UNS S31803 ASTM A815 UNS S32750 ASTM A815 UNS S32760 ASTM B366 UNS N06625 ASTM B366 UNS N08825 ASTM B366 UNS N08800 EEMUA Publ. 234
Applicable Standards ASME B16.9 · ASTM A234 · ASTM A403 · ASTM A815 · ASTM A860 · MSS SP-75