2017年7月4日星期二

ASTM Forged RF Ss316 Slip on Stainless Steel Flange

   ASTM Forged RF Ss316 Slip on Stainless Steel Flange is divided into the following six basic types: flat welding 
 flange, welding flange, socket welding flange, loose flange, threaded flange and 
 integral flange.

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