This specification covers seamless ferritic steel pipe and EFW
Welded carbon Pipe and alloy-steel pipe for high-temperature
service.
Application of ASTM A**3 Seamless Steel Pipe
Seamless carbon and alloy steel pipe is intended for use at low
temperatures and in other applications requiring notch toughness.
For example: power stations, nuclearpower plants, chemical
plants, oil refineries, industrial plants and so on.
Manufacturing Process of ASTM A**3 Seamless Steel Pipe:
ASTM A**3 pipe shall be made by the seamless steel pipe
(cold-drawn or hot rolled) as specified.
Details of ASTM A**3 Gr.6 Seamless Steel tube:
Manufacture: Seamless and welding and process are available,
seamless process: cold drawn or hot rolled, but Grade 4 Shall be
made by the seamless process.
