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About product and suppliers:
        Alibaba.com offers 347 gb gcr15 steel pipe products. About 73% of these are steel pipes, 1% are stainless steel pipes, and 1% are pipe fittings. 

A wide variety of gb gcr15 steel pipe options are available to you, such as q195, 10#, and q235. You can also choose from astm, api, and din. As well as from gas pipe, boiler pipe, and structure pipe. And whether gb gcr15 steel pipe is erw, or cold drawn. 

There are 347 gb gcr15 steel pipe suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of gb gcr15 steel pipe respectively. 

Gb gcr15 steel pipe products are most popular in Eastern Asia, Southeast Asia, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 94 with Other, 13 with ISO9001, and 2 with ISO/TS16949 certification.