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About product and suppliers:
        Alibaba.com offers 3,623 40mm pipe fittings products. About 27% of these are pipe fittings, 10% are stainless steel pipes, and 1% are metal building materials. 

A wide variety of 40mm pipe fittings options are available to you, such as jis, astm, and aisi. You can also choose from iron, pp-r, and carbon steel. As well as from elbow, nipple, and bushing. And whether 40mm pipe fittings is equal, or reducing. 

There are 3,623 40mm pipe fittings suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 40mm pipe fittings respectively. 

0mm pipe fittings products are most popular in Southeast Asia, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,670 with ISO9001, 699 with Other, and 406 with ISO14001 certification.