Thermal power plants

ASTM A139 is a standard specification for electric-fusion (arc)-welded steel pipe (NPS 4 and over).

12crmog alloy pipe is an alloy pipe whose main material is J55, N80, P110 and other steel grades. It is mainly used as the heating surface pipe of the boiler.

42crmo4 seamless steel pipe is a high strength, high toughness, corrosion resistant alloy structural steel, widely used in mining machinery manufacturing field.

A333Gr6 cryogenic pipe is a kind of industrial pipe, suitable for seamless steel pipes for -45℃~-195℃ low-temperature pressure vessel pipes and low-temperature heat exchanger pipes.