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About product and suppliers:
        Alibaba.com offers 79,852 rectangular steel tube products. About 71% of these are steel pipes, 15% are stainless steel pipes. 

A wide variety of rectangular steel tube options are available to you, such as q235, a53(a,b), and 10#. You can also choose from astm, bs, and jis. As well as from ul, ce, and iso. And whether rectangular steel tube is structure pipe, fluid pipe, or oil pipe. 

There are 79,583 rectangular steel tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and Vietnam, which supply 99%, 1%, and 1% of rectangular steel tube respectively. 

Rectangular steel tube products are most popular in Southeast Asia, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 32,096 with ISO9001, 12,334 with Other, and 5,557 with ISO14001 certification.