What are astm grades? astm standards define the specific manufacturing process of the material and determine the exact chemical composition of pipes, fittings and flanges, through percentages of the permitted quantities of carbon, magnesium, nickel, etc., and are indicated by "grade".. Mss-sp-58- 1993 �pipe hangers and supports-materials, design and manufacture� mss-sp-69- 2002 �pipe hangers and supports-selection and application� 3.. Nowadays the manufacturing of pipe uses many different materials including ceramics, fiberglass, concrete, plastics and metals. concrete and ceramic plastic metals special piping materials such as glass or lined pipe 3.2 concrete and ceramic pipes pipes may be made from concrete or ceramic materials. these pipes are usually.
In addition to different materials, pipe comes in a variety of sizes categorized by schedule. schedule 40 steel pipe is one of the most common materials used in a wide variety of construction and building applications.. Pipe size is specified by two designations: a nominal pipe size (nps) for diameter based on inches, and a schedule (sched. or sch.) for wall thickness. nps is often incorrectly called national pipe size, due to confusion with national pipe thread (npt).. Pipe schedules (according to asme/ansi b36.10m) africa projects.africa@arcelormittal.com caspian projects.caspian@arcelormittal.com china projects.china@arcelormittal.com europe projects.europe@arcelormittal.com india projects.india@arcelormittal.com north america projects.northamerica@arcelormittal.com south east asia projects.asia.
