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Call  1·800·248·1027

Ward Manufacturing Logo

Call  1·800·248·1027

    Pipe Nipples

    Product Line    |    Technical Resources    |   FAQs

    Your Trusted Source

    Offering carbon welded, seamless and stainless steel pipe nipples for the industrial pipe-valve-fittings (PVF) market, Ward Nipple (formerly Wisconsin Nipple) also offers a complete line of quality stainless steel and brass nipples for sprinkler and plumbing applications.


    We have been manufacturing pipe nipples since 1950, and have earned a reputation as the nipple industry’s fastest shipper for both standard and special orders.

    Browse Our Pipe Nipples & Couplings Product Line
    Picture of various pipe nipples and couplings

    Pipe Nipples FAQs

    • What is the difference between welded and seamless pipe?

      Welded pipe is produced from a strip that is roll formed and welded to produce a tube. Seamless pipe is extruded from a billet. They are rolled and stretched until they meet the specified length, diameter, and wall thickness.

    • What is the difference between rollercut and square cut?

      Rollercut pipe is achieved by rotating a hardened cutter wheel around the pipe. A square cut is made at a right angle to the pipe. 

    • What is the difference between a standard bevel end and a reamed & chamfered end?

      A true bevel angle is 37.5° and a reamed & chamfered angle is 40°


    • Can I get an MTR on any pipe nipple?

      Only seamless and stainless steel pipe have traceable MTRs. 

    • What is the standard tolerance?

      The standard tolerance on our pipe nipples is +/- 1/16”. 

    • Are BSPT ends capped?

      Yes, they are always capped. 

    • What is the standard coating on pipe nipples?

      Standard coatings include a black lacquer or hot dipped galvanized. Pickled and oiled (P&O) pipe is best if you want to paint the pipe nipples.

    • What is the PSI rating for merchant couplings?

      Standard merchant couplings are designed for general purpose, low-pressure piping such as water, air, gas, and oil lines. Their governing standard, ASTM A865, does not list a specific pressure rating. 

    • Is galvanized pipe available in a 1/8” diameter?

      Yes, up to 4” in length. Four inches is the maximum length for which hot galvanizing will flow through and adequately coat the inside diameter of the pipe. 

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