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About product and suppliers:
        Alibaba.com offers 53,314 cast steel flange products. About 25% of these are pipe fittings, 18% are flanges, and 1% are flange. 

A wide variety of cast steel flange options are available to you, such as iso, ansi, and gb. You can also choose from stainless steel, carbon steel. As well as from standard, nonstandard. And whether cast steel flange is free samples, or paid samples. 

There are 53,079 cast steel flange suppliers, mainly located in Asia. The top supplying countries or regions are China, Hong Kong S.A.R., and India, which supply 98%, 1%, and 1% of cast steel flange respectively. 

Cast steel flange products are most popular in Southeast Asia, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 29,453 with ISO9001, 7,394 with Other, and 3,905 with ISO14001 certification.