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Current Position:Home > Industry news > DUPLEX STAINLES

DUPLEX STAINLESS STEEL PIPES

Release Date:2016-11-03

The tube has good welding properties ofduplex stainless steel pipes, compared with ferrite stainless steel and austenitic stainless steel, it is not like a ferritic stainless steel welding heat affected zone, because of grain coarsening and make serious plasticity and toughness greatly reduced, is not as sensitive to austenitic stainless steel, welding hot crack.

Double phase stainless steel because of its special advantages, is widely used in oil and petrochemical equipment, water and wastewater treatment equipment, pipelines, machinery and other industrial fields, in recent years has also been used in the field of bridge bearing structure, has good prospects for development.

Duplex stainless steel pipe is quenched in the solid ferrite and austenite phase of each half, the general minimum phase content may reach 30%.