All sizes up to 4” diameter are of our typical manufacture. Larger sizes may be available upon customer request.

Stub ends are available in MSS and ASA lengths from 1/2” to 38” pipe size in Schedule 40 (Standard) and Schedule 80 (Extra Heavy) wall thicknesses.

These piping components can be made to fit any design and size allowed for in B16.9. Additional sizes can be manufactured to customer design specification.


Parts can be manufactured out of material conforming to ASTM specifications A105, A182, A193, A234 WPB, A403, A434, A479, A516, B564,  F91 or any of their ASME equivalents.

Piping components can be made to customer material specifications and out of most brass and carbon, stainless, or alloy steels as required.

B16.9 Stubends

B16.9 Stub Ends

Colonial Machine supplies carbon steel stub ends to a large portion of the industrial piping industry and offers a large ready-to-ship inventory at competitive prices.

Click for Full Details

B16.9 Butt weld cap

B16.9 Butt Weld Caps

B16.9 Concentric reducer

B16.9 Concentric Reducer

B16.9 Eccentric reducer

B16.9 Eccentric Reducer

Industrial Piping Components for the Nuclear Power and High-Pressure Piping Industries