一、Semiconductor Raw Material:
Ultra-Pure Stainless Steel AISI 316L
Principal Component Ratio(mass%)
(*ppm)
| 
				 
					 钢级 
					  | 
			
				 C  | 
			
				 Mn  | 
			
				 S  | 
			
				 Ni  | 
			
				 Cr  | 
			
				 Mo  | 
			
				 N*  | 
			
				 O*  | 
		
| 
				 
					 SUS316L 
					  | 
			
				 ≤0.030  | 
			
				 ≤2.00  | 
			
				 ≤0.030  | 
			
				 10.00-15.00  | 
			
				 16.00-18.00  | 
			
				 2.00-3.00  | 
			
				 --  | 
			
				 --  | 
		
| 
				 
					 YUYIN GRADE NO1 
					  | 
			
				 0.014  | 
			
				 0.0790  | 
			
				 0.001  | 
			
				 14.83  | 
			
				 17.68  | 
			
				 2.68  | 
			
				 35  | 
			
				 6  | 
		
| 
				 
					 YUYIN GRADE NO2 
					  | 
			
				 0.013  | 
			
				 1.090  | 
			
				 0.001  | 
			
				 14.66  | 
			
				 17.63  | 
			
				 2.63  | 
			
				 50  | 
			
				 8  | 
		
| 
				 
					 YUYIN GRADE NO3 
					  | 
			
				 0.012  | 
			
				 1.23  | 
			
				 0.002  | 
			
				 12.15  | 
			
				 17.60  | 
			
				 2.03  | 
			
				 160  | 
			
				 50  | 
		
| 
				 
					 YUYIN General AISI316L 
					  | 
			
				 0.013  | 
			
				 1.84  | 
			
				 0.004  | 
			
				 10.11  | 
			
				 16.83  | 
			
				 2.02  | 
			
				 280  | 
			
				 62  | 
		
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
Applications: semiconductor manufacturing equipment,ultra high vacuum valve, joint,filter Housings,etc.
Key Technology: special smelting is used to reduce "non-metallic inclusion & gas composition " in the production of materials .
Nonmetallic Inclusions :
	
| 
				 
					 钢级 
					  | 
			
				 ASTM-D法(Worst Thin)  | 
		|||||
| 
				 0.5 1.0 1.5 2.0 2.5 (级)  | 
		||||||
| 
				 
					 YUYIN GRADE NO1 
					  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
		
| 
				 
					 YUYIN GRADE NO2 
					  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
		
| 
				 
					 YUYIN GRADE NO3 
					  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
		
| 
				 
					 YUYIN General AISI316L 
					  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
		
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
Bright Annealed Precision Tube
	
	
Designation: TP304L, TP316L
Standards: ASTM A269,ASTM A213,GB13296, JIS G3459
Size :
	
	 
 
	
Technical Reference:
	
1、Ordinary BA Pipe, raw material is from YONGXING、Baosteel,TISCO, Inner surface roughness<Ra0.5um,package:loose package deburring at both side.)
	
2、(Clean BA Pipe, raw material is from Import or
domestic vacuum metling (VIM), Inner surface roughness<Ra0.3um, package: each pipe with plastic bag & cap, plan end.
	
3、Ultra-Pure BA Pipe, raw material is from Import or domestic vacuum metling(VIM+VAR),Inner surface roughness<Ra0.3um,clean wash, package in dust-fress roon,both end with cap, after full with nitrogen gas & each pipe with plastic bag.
	


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