Material / Specification / Grade:

Stainless Steel  – A/SA 403 (WP304/L – WP316/L – WP310/S – WP317/L – WP321/H – WP347/H – 254SMO)

Carbon Steel     – A/SA 234 (WPB)

Chrome Moly    – A/SA 234 (WP11 – WP22 – WP5 – WP9 – WP91)

Low Temp. CS  – A/SA 420 WPL6

Duplex              – A/SA 815 (UNS S31803 – S32205)

Super Duplex    – A/SA 815 (UNS S32750 – S32760)

Nickel Alloys     – Nickel – Monel® – Inconel® – Incoloy® – Hastelloy® – Alloy 20 – 904L     

Other Alloys      – Copper Nickel – Titanium – AL6XN® – 6%Mo

Butt-Weld Fittings are available:

# in the sizes from NPS 1/2” through NPS 24” in seamless and up to NPS 72” in welded

# in all standard wall thicknesses

# in dimensions as per ASME B16.9, MSS SP-43


We are capable of manufacturing pipeline fittings from an extensive range of materials. Alternatively, we are happy to machine from your ‘free issue’ supply (fittings or raw material). Here is a comprehensive list of pipeline fitting materials at your disposal:

BW fittings are manufacture from

A105/N, LF2, F11, F22, F52, 4130, 316L, 304L, 321, F51/31803, F44/31254, F55/32760, F53/32750, Titanium, A200, A400, A625, A825, C276, C2000, B3. Please note that we offer most of these pipeline-fitting materials from stock in all forms (bar, forging, plate). Should stock of a certain material not be available, we can normally acquire it from our ISO approved suppliers very quickly.


With C.N.C., machines FAPT control, as several as 400-600 lathes with taper screw cutting attachments. Maximum turning capacity is 36″ diameter. All fittings are supplied with a 3.1.B manufacturing & materials certificate. 3.1. C certification can also be supplied with independent witness by Lloyds. We have also been certified to BS: EN ISO 9001:2000 and are UKAS accredited.