Standard: ASTM A**3/A**3M Gr.6

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.

Seamless Steel Pipe: OD: *0~**0mm W.T.: ***0mm