Applications:    
Inert gases such as nitrogen, argon, etc. are injected into the molten metal through fluxing tubes for dehydrogenation.
    
Material:high quality graphite            
Dimensions:Typical Sizes or as your  requirement            
Packaging:in plywood case            
Delivery Lead Time:depend on your quantity        
Supply Ability:20000 Pieces/Year

Properties:    
1)High strength,hige hardness.    
2)Good heat-resistance,low porosity.    
3)Anti-abrasion,anti-scour.    
4)Antioxidation,non-infiltrantion.    
Grades:    
Regular tubes.    
Treated tubes with oxidation retardant.    
Typical Sizes:    
Outer diameter (mm): 50, 75, 100, 150.    
Inner diameter (mm): 12, 15, 18.    
Length (mm): 1200 — 2000.    
Or as per request.