Buttweld fittings

The Allied Group boasts the largest stocks of buttweld fittings in the world, stocking up to 48" diameter in the UK, manufacturing up to 120" at our mills in Italy.
Wall thickness covered from sch 5s up to sch XXS and heavier.

Carbon SteelsHigh YieldAlloy SteelsAustenitic Stainless SteelsDuplex SteelsNickel AlloysCopper Nickel
ASTM A234 WPB / C ASTM A860 / MSS-SP-75 WPHY42 ASTM A234 Grade WP1 ASTM A403 WP304 / L ASTM A815 UNS S31803 ASTM B366 WPNCMC UNS NO6625 Cu/Ni 90/10
ASTM A420 WPL6 ASTM A860 / MSS-SP-75 WPHY52 ASTM A234 Grade WP5 ASTM A403 WP316 / L ASTM A815 UNS S32750 ASTM B366 WPNICMC UNS NO8825  
  ASTM A860 / MSS-SP-75 WPHY60 ASTM A234 Grade WP9 ASTM A403 WP321 / H ASTM A815 UNS S32760 ASTM B366 WPNIC UNS NO8800  
  ASTM A860 / MSS-SP-75 WPHY65 ASTM A234 Grade WP11 ASTM A403 WP347 / H   ASTM B366 WPNIC UNS NO8810/11 (HT)  
  ASTM A860 / MSS-SP-75 WPHY70 ASTM A234 Grade WP22 ASTM A403 WPS S31254 (6 Mo)      
    ASTM A234 Grade WP91        

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