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About product and suppliers:
        Alibaba.com offers 619 astm a519 carbon tube products. About 97% of these are steel pipes, 1% are stainless steel pipes. 

A wide variety of astm a519 carbon tube options are available to you, such as 10#, 20#, and 16mn. You can also choose from gb, api, and astm. As well as from structure pipe, oil pipe. And whether astm a519 carbon tube is cold drawn, erw, or hot rolled. 

There are 618 astm a519 carbon tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of astm a519 carbon tube respectively. 

Astm a519 carbon tube products are most popular in Southeast Asia, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 244 with ISO9001, 194 with Other, and 22 with ISO/TS16949 certification.