Most recent
ASTM A691/A691M-19 Red
Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures (Standard + Redline PDF Bundle)
Content Provider
ASTM International [astm]
Content Provider
ASTM International [astm]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.