weld on 16 is too thick, it will not wick into the crack. You could however layer it on, not going to be pretty though. weld on 3 or 4 would be better. 
		
	
		
		
		
		
			
				__________________ 
				There's plenty of room for all God's creatures. 
Right next to the mashed potatoes.
			 
		
		
		
		
	
		
		
	
	
	 |