三级片中文字幕,欧美日韩国产1区,粉嫩aV国产一区二区三区,亚洲超碰在线国产一区

      1. 

      <track id="xrk3c"><label id="xrk3c"><th id="xrk3c"></th></label></track>
      1. <bdo id="xrk3c"><span id="xrk3c"><meter id="xrk3c"></meter></span></bdo>
        

        1. 

	
          
		
          
			
			
			
          
		
          
	
          
	


          
	
          
		
	
          
	
	
          
	

          


          


	
          
		
		
          
			
			
          
				
          
					
          
							
          Firearm grade sponge Zirconium
          
							
          
								Add_time：2025-06-09      author：   Share to：
								
          
									
          
									
								
          
							
          
							
          
							    
          Our company produces firearm grade sponge zirconium in compliance with YS/T397-2015, offering products with particle sizes ranging from 3mm to 25mm.
          Packaged in galvanized barrels filled with argon and sealed, each barrel has a net weight of 100kg. 
          The chemical composition of firearm grade sponge zirconium is detailed in the table below (mass fraction/%)
          Product 
          Grade
          Product
          No.
          Chemical Composition (mass fraction)/%
          Zr+Hf
          Content
          （Min.）
          Impurity Elements(Max)
          AlBCCdClCoCrCuFeHHfMgMnMoNNaNiOPPbSiSnTiUVW
          Firearm
          Grade
          		HZr-199.40.03—0.03—0.13—0.02——0.012530.060.01—0.01—0.010.1—0.0050.01—0.005—0.005—