Duplex stainless steel tubes & pipes

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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 Grade: UNS S32750, S31803, etc. Chemical Composition Marking: JW, material grade, standard, specification, heat no. Length: unbending length or fix length Package: knitting strip bundle, wooden box or steel box Mill test certificate: according to EN 10204 3.1B Value added service： Third party inspection Bright annealed, polished outside and inside surface

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JW STEEL LIMITED

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