Field Application:
Duplex stainless steel tubes & pipes are with high mechanical strength and good elongation and weldability which needs no pre-heating before welding and heat treatment after welding, low thermal expansion and have excellent resistance to stress corrosion cracking, pitting and crevice corrosion, and high resistance to general corrosion in different environments. Duplex stainless steel tubes & pipes are applied to heat exchangers in refinery industries, petrochemical plants, paper & pulp industries, sugar & beverage industries.

Executive Standards:
ASTM /ASME A789/SA789 A790/SA790

Steel Grade:
UNS S32750 S31803 S31500.