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About product and suppliers:
        Alibaba.com offers 12,094 duplex steel pipe products. About 58% of these are stainless steel pipes, 8% are steel pipes, and 1% are metal building materials. 

A wide variety of duplex steel pipe options are available to you, such as welded. You can also choose from astm, jis, and aisi. As well as from iso, sgs, and bv. And whether duplex steel pipe is erw. 

There are 14,024 duplex steel pipe suppliers, mainly located in Asia. The top supplying countries or regions are China, India, and South Korea, which supply 97%, 2%, and 1% of duplex steel pipe respectively. 

Duplex steel pipe products are most popular in United States, Australia, and Malaysia.