A671 GR.B70 CL22 LSAW DSAW Pipe

ASTM A671Standard Specification for Electric - Fusion - Welded Carbon and Alloy Steel Tubing for High Temperature and High Pressure Service Conditions.

Scope of application

ASTM A671 standard for high temperature, high pressure steel pipe, from several chemical composition, strength grade and pressure vessel quality steel plate, with the addition of filler metal melting welding. In order to obtain the desired performance or to meet the requirements of the application specification,heat treatment may be required.