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About product and suppliers:
        Alibaba.com offers 567 pipe inside diameter products. About 19% of these are plastic tubes, 10% are steel pipes. 

A wide variety of pipe inside diameter options are available to you, such as api, astm, and bs. You can also choose from 10#, 20#, and 16mn. As well as from flexible, seamless, and nickel pipe. And whether pipe inside diameter is ce, rohs, or ul. 

There are 579 pipe inside diameter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and Colombia, which supply 97%, 1%, and 1% of pipe inside diameter respectively. 

Pipe inside diameter products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 327 with ISO9001, 98 with ISO14001, and 97 with Other certification.