Texture of material
	Production of 25CrMo forgings (heat treatment, digital multi axis precision machining, high-frequency quenching and tempering), in accordance with the standard GB/T3077-1999.
	Perform flaw detection on the blank of the casing joint and issue a flaw detection report.
	Technical parameter
	
		
			
				| 
					Specifications | 
				
					Work level | 
				
					Number of screws | 
				
					Number of Keyways | 
			
			
				| 
					Ø980*50mm | 
				
					700 mm | 
				
					12 | 
				
					6 | 
			
			
				| 
					Ø1180*50mm | 
				
					700 mm | 
				
					12 | 
				
					6 | 
			
			
				| 
					Ø1280*50mm | 
				
					700 mm | 
				
					12 | 
				
					6 | 
			
			
				| 
					Ø1380*50mm | 
				
					700 mm | 
				
					12 | 
				
					6 | 
			
			
				| 
					Ø1480*50mm | 
				
					700 mm | 
				
					16 | 
				
					4 | 
			
			
				| 
					Ø1800*50mm | 
				
					700 mm | 
				
					20 | 
				
					5 | 
			
			
				| 
					Ø1980*50mm | 
				
					700 mm | 
				
					20 | 
				
					5 | 
			
			
				| 
					Ø2200*60mm | 
				
					700 mm | 
				
					20 | 
				
					5 | 
			
			
				| 
					Ø2400*60mm | 
				
					700 mm | 
				
					24 | 
				
					6 | 
			
			
				| 
					Ø2600*60mm | 
				
					740 mm | 
				
					24 | 
				
					6 | 
			
			
				| 
					Ø2800*60mm | 
				
					740 mm | 
				
					32 | 
				
					8 | 
			
			
				| 
					Ø3000*70mm | 
				
					740 mm | 
				
					32 | 
				
					8 | 
			
			
				| 
					Ø3200*70mm | 
				
					740 mm | 
				
					32 | 
				
					8 | 
			
			
				| 
					Ø3500*75mm | 
				
					740 mm | 
				
					40 | 
				
					10 | 
			
		
	
 
	Size
	The tolerance machining ovality of the sleeve joint is ≤ 0.5mm.