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Seamless Pipe Sizes

Update:2019-07-29   View(s):976   Keywords :seamless steel pipe, hot rolled seamless pipe,smls pipe
The ASME B36.10 and B36.19 seamless pipe specifications cover the dimensions and weights of seamless pipes for the petrochemical industry (the specs apply to welded pipes too):

The ASME B36.10 specification covers carbon and low-alloy seamless pipes sizes (dimensions and weights) between 1/8 and 24 inches
The ASME B36.19 specification, instead, covers the dimensions and weights of stainless steel, duplex, nickel-alloy seamless pipes.

Commercial seamless pipes are designated with a nominal pipe size (representing the approximate fluid conveyance capacity of the pipe) and with a “schedule”, which refers to the thickness of the pipe (the most common are schedule 40, STD, XS, XXS for carbon/alloy pipes, and 10S, 40S and 80S for stainless and nickel alloy pipes).