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seamless steel pipe

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About product and suppliers:
            1,263 black square pipe products are offered for sale by suppliers on Alibaba.com, of which steel pipes accounts for 30%, stainless steel pipes accounts for 1%. 

A wide variety of black square pipe options are available to you, such as 10#-45#, 16mn, and a53-a369. You can also choose from cutting, bending, and welding black square pipe, as well as from structure pipe black square pipe, and whether black square pipe is square, rectangular, or round. 

There are 1,263 suppliers who sells black square pipe on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of black square pipe supply is 99%, 1% respectively.