Duplex stainless steel pipe
Ferrite and austenite both almost take half part each in duplex stainless steel pipe. With Low carbon content, Cr occupies 18~28% while Ni occupies 3~10% in it. Duplex stainless steel pipe shows better plasticity and toughness than ferrite steel, in the meantime has better strength and resistance to corrosion. Duplex steel has same performance as other alloy steel while using more Ni.
Specification:
1) Process method: ERW, LSAW, Cold drawn, Hot rolled
2) Surface finish: Paint Varnish Coating or unworked
3) Standards and Material: Astm a213 a269 a312 a789 a790
asme sa213 sa312 sa789 sa790
304, 304l, 310S, 316L, 321, 347, 347H
4) Size: OD 6mm - 530mm
WT 1mm - 30mm
5) Length: 5.8m - 13m
6) End Finish: Plain Bevel or End Bevel
7) Applications: high pressure boiler, transportation for gas, water, and oil, tubes for heat exchanger and chemical fertilizer equipments.
8) Packing term: Standard seaworthy packing, General bunch packing
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