Inconel 690/UNS N06690/W.Nr. 2.4642 
                        
	Inconel 690 is a high-chromium nickel alloy having excellent resistance to many corrosive aqueous media and hightemperature atmospheres. In addition to its corrosion resistance, alloy 690 has high strength,good metallurgical stability, and favorable fabrication characteristics.
	
	Inconel 690 Trade Name: Alloy 690;UNS N06690; W.Nr.2.4642.
	
	Chemical composition 
	
		
			
				
					Alloy
				
			
			
				
					%
				
			
			
				
					Ni
				
			
			
				
					Cr
				
			
			
				
					Fe
				
			
			
				
					C
				
			
			
				
					Mn
				
			
			
				
					Si
				
			
			
				
					Cu
				
			
			
				
					S
				
			
		
		
			
				
					690
				
			
			
				
					Min
				
			
			
				
					58.0
				
			
			
				
					27.0
				
			
			
				
					7.0
				
			
			
				
					
				
				
					0.05
				
			
			
				
			
			
				
			
			
				
			
			
				
			
		
		
			
				
					Max
				
			
			
				
			
			
				
					31.0
				
			
			
				
					11.0
				
			
			
				
					0.5
				
			
			
				
					0.5
				
			
			
				
					0.5
				
			
			
				
					0.015
				
			
		
	
	
	Inconel 690 Mechanical properties Minimum value at 20℃ 
	
		
			
				Alloy State
			
			
				
					Tensile Strength
				
				
					σb/MPa
				
			
			
				
					Yield Strength
				
				
					σp0.2/MPa
				
			
			
				
					Elongation
				
				
					σ5 /%
				
			
		
		
			
				Annlead Solution
			
			
				
					580
				
			
			
				
					260
				
			
			
				
					30
				
			
		
	
	
	Inconel 690 Specification 
	
		
			
				
					Bar
				
			
			
				
					Forging
				
			
			
				
					Sheet/Strip
				
			
			
				
					Pipe
				
			
		
		
			
				
					ASTM B166
				
			
			
				
					ASTM B564
				
			
			
				
					ASTM B168
				
			
			
				
					ASTM B163
				
				
					ASTM B829
				
			
		
	
	
	Inconel 690 Application Filed: 
	Alloy 690 is used for applications such as coal-gasification units, burners and ducts for processing sulfuric acid, furnaces for petrochemical processing, incinerators and so on.