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About product and suppliers:
            4,779 black steel pipe products are offered for sale by suppliers on Alibaba.com, of which steel pipes accounts for 18%, pipe fittings accounts for 11%, and other metals & metal products accounts for 1%. 

A wide variety of black steel pipe options are available to you, such as erw, hot rolled, and cold drawn. You can also choose from 45#, 10#, and q235 black steel pipe, as well as from thick wall pipe, api pipe, and emt pipe black steel pipe, and whether black steel pipe is structure pipe, oil pipe, or fluid pipe. 

There are 4,804 suppliers who sells black steel pipe on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Hong Kong S.A.R., from which the percentage of black steel pipe supply is 99%, 1%, and 1% respectively.