ASME B36.19:2022 pdf download

ASME B36.19:2022 pdf download.Welded and Seamless Wrought Stainless Steel Pipe
1 SCOPE
This Standardcovers thestandardizationofdimensions of welded and seamless wrought stainless steel pipe for high or low temperatures and pressures. The word“pipe” is used, as distinguishedfrom“tube,” to apply to tubular products of dimensions commonly used for pipeline and piping systems.
2 SIZE
The size of all pipe in Table 2-1 is identified by the dimensionless designator nominal pipe size (NPS) [diamètre nominal (DN)]. Pipes NPS 12 (DN 300) and smaller have outside diameters numerically larger than their corresponding sizes. In contrast, the outside diameters of tubes are numerically identical to the size number for all sizes. The manufacture ofpipe NPS 1 ∕ 8 (DN 6) to NPS 12 (DN 300), inclusive, is based on a standardized outside diameter (O.D.). This O.D. was originally selected so thatpipe with a standard O.D. and having a wall thickness that was typical of the period would have an inside diameter (I.D.) approximately equal to the nominal size. Although there is no such relation between the existing standard thicknesses — O.D. and nominal size — these nominal sizes and standard O.D.s continue in use as “standard.” The manufacture ofpipe NPS 14 (DN 350) and larger is based on the O.D. being the same as the nominal pipe size.
3 MATERIALS
The dimensional standards for pipe described here are for products covered in ASTM specifications.
4 WALL THICKNESS
ThenominalwallthicknessesaregiveninTable2-1.The wall thicknesses for NPS 14 (DN 350) to NPS 22 (DN 550), inclusive, of Schedule 10S; NPS 12 (DN 300) of Schedule 40S; and NPS 10 (DN 250) and NPS 12 (DN 300) ofSched- ule 80S are not the same as those of ASME B36.10. The suffix “S” in the schedule number is used to differentiate B36.19 pipe from B36.10 pipe. ASME B36.10 includes other pipe thicknesses that are also commercially avail- able with stainless steel material.
8 WALL-THICKNESS SELECTION
When the selection ofwall thickness depends primarily upon capacityto resistinternal pressure undergiven con- ditions, the designershall compute the value ofwall thick- ness suitable forconditions forwhich the pipe is required, as prescribed in detail in the ASME Boiler and Pressure Vessel Code, ASME B31 Code for Pressure Piping, or other similarcode, whichevergoverns the construction. Athick- ness maybe selected from the schedules ofnominal thick- ness contained in Table 2-1 to suit the value computed to fulfill the conditions for which the pipe is desired.
9 REFERENCES SECTION
The following publications are referenced in this Stan- dard. Unless otherwise specified, the latest edition applies: ASME B1.20.1, Pipe, Threads, General Purpose (Inch) ASME B36.10, Welded and Seamless Wrought Steel Pipe Publisher: The American Society ofMechanical Engineers (ASME) Two Park Avenue New York, NY 10016-5990 (www.asme.org)