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About product and suppliers:
        Alibaba.com offers 23,687 din st45 steel pipe products. About 100% of these are steel pipes, 1% are stainless steel pipes. 

A wide variety of din st45 steel pipe options are available to you, such as 10#, api j55, and 20#. You can also choose from api, astm, and aisi. As well as from structure pipe, oil pipe, and gas pipe. And whether din st45 steel pipe is ul, ce, or iso. 

There are 23,767 din st45 steel pipe suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and India, which supply 99%, 1%, and 1% of din st45 steel pipe respectively. 

Din st45 steel pipe products are most popular in Mid East, Southeast Asia, and South America. 

You can ensure product safety by selecting from certified suppliers, including 16,308 with ISO9001, 7,016 with Other, and 497 with ISO/TS16949 certification.