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SRB corrosion of SG Cast Iron Pipes







	

		
			

							

								 
							

							

								
									Posted: 
									Thu 19th Nov 2009	
								
								Original Post
							

							

								
									User: jerry 

									Status: visitor

									Joined: 
									Nov 2009

									Total Posts: 0

										
								SG CAst Iron Pipes are used in subsea applications for cable protection.  Localised accelerated corrosion has been identified to be caused by SRB.  IS SG Cast Iron more susceptable to attack by SRB than Grey Cast Iron ?  What steps can be taken to elimina
							

							

								
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									Posted: 
									Wed 25th Nov 2009	
								
								
								Reply #1
							

							

								
							

							

								
									User: peter clark

									Status: visitor

									Joined: 
									Nov 2009

									Total Posts: 2

										
								My experience is that SG iron behaves similarly to mild steel and suffers from SRB attack.  My first observation was in ~1965 in Morayshire.  Non-conducting joints, as one would expect, reduces the corrosion rste somewhat.  
							

							

								
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