Industrial Stub Ends for Piping Industries

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


Quality Standards

Carbon steel stub ends manufactured to ANSI Standard B16.9 and certified to A234 and SA234 WPB and WPBW-UT.

SA420 WPL6 stub ends are also of our manufacture.

Stub ends over 18” are welded. All welded stub ends are U.T. tested by our audited and approved strategic partners.

Stub ends 18” or under XH can be welded or seamless.

Mill test reports on request.

All stub ends are manufactured at our facility in Pleasantville, Pennsylvania.

Able to ship to Canada with CRN’s to all Canadian Provinces.

Stub end
Product Specifications

Dimensions & Capabilities

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

  • Larger sizes are available in MSS length.

  • We are able to supply all wall thicknesses and non-standard lengths.
  • We carry a wide inventory of Type A butt weld stub ends and are able to meet many of our customer’s needs within 2-3 days of receipt of order.

  • Non-stock items can be manufactured at the customer’s request.

  • Type B Stub Ends, taper-bored stub ends, and threaded stub ends are available to be quoted.

Materials Available

Standard / in stock:

  • A/SA105 round bar

  • A/SA106 pipe

  • A/SA 519 1026 tube

  • Stub ends can be manufactured from other materials. These are available and quoted at customer’s request.

“Thanks for being a partner for many years… Colonial has provided and advised us of any stub end needs for welding fittings.”

“Great company and great people.”

“We appreciate the relationship we have with Colonial.”

“You have always been very helpful and timely with your responses.”

“Great company and super people. Been doing business with Colonial Machine for over 40 years. Very knowledgeable.”

“Overall the customer service is very good.”

“It is a pleasure to do business with Colonial Machine.”

“Colonial Machine is a preferred partner for us as they are a great company to work with.”

“I have been working with Colonial Machine for the past 13 years and they are a very knowledgeable machine shop that can produce quality parts.”

“Honestly one of the best companies that I’ve dealt with in my 44 years in the business.”

“Colonial is one of our favorite vendors!”

“Customer service responds promptly and very courteous to work with.”