Black Pipe Nipples


    At NDL we manufacture black malleable iron nipples.  Available in 15 diameters from 1/8” to 6” – and different lengths ranging from Close up to 72”.   We offer individual sizes or pre-packed assortment kits.  All our nipples are produced to meet or exceed all specifications and undergo  rigours testing and quality inspections.


    1.       Stocked in most configurations from 1/8” to 6”

    2.       Available in lengths from Close -72”

    3.       Threaded ends meeting with ANSI/ASME B1.20.1 standard

    4.       Seamless Steel Pipe Nipples meet the following:

    a.       Black Steel Schedules 40 and 80 in sizes from 1/8” to 4”

    b.      ASTM A-733, ASME/ANSI B1.20.1 and A-106 grade B