Duplex stainless steel tubes & pipes are with high
mechanical strength, good elongation and weld ability
which needs no pre-heating before welding and heat
treatment after welding, low thermal expansion,
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.
Standards: ASTM/ASME A789/SA789, A790/SA790
Steel Grade: UNS S32750, S31803, S31500
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