ASTM A865/A865M-26

Anotácia textu normy ASTM A865/A865M-26 :

This guide covers standard specification for black or galvanized welded or seamless threaded steel couplings for use with steel pipe joints in NPS 1/8 to NPS 20 [DN 6 to DN 500] inclusive. The steel for both welded and seamless couplings shall be made by one or more of the following processes: open-hearth, electric-furnace, or basic-oxygen. Welded couplings NPS 31 [DN 90] and under may be butt-welded. Welded couplings over NPS 31 [DN 90] shall be electric-welded. The steel shall conform to the required chemical composition for phosphorus and sulfur.


Keywords:
black steel pipe, seamless steel pipe, steel pipe, welded steel pipe, zinc coated steel pipe,, ICS Number Code 23.040.60 (Flanges, couplings and joints)