Chemical Composition: 

C:0.06 - 0.082% 
Mn:0.75 - 1.05% 
SI:0.13 - 0.28% 
P: Max 0.035% 
S: Max 0.045% 
Ar: Max 0.15% 

Used clean rail, without slag, dross, trash, wood, plastic, 
oily parts, grease, alloy, prohibited goods, whole sets of machine 
and usable parts for machines, cast iron, motor turning      
blocks, engine blocks, war and explosive for armour plated 
materials, mud or wastes and maximum harmless impurities is less 
than 0.1%;        
Used rail is without harmful impurities and totally free of any 
type of explosives, including, but not limited to bombs, arms, 
ammunitions, torpedoes, mines, shells, cartridges, sealed containers    
or tanks or envelops, gas cylinders, explosive materials, etc;  
Used rail is also totally free of radioactive contamination and 
poisonous materials and explosive, ecologically pure, exceeding 
the level accepted and allowed by international acceptable norms.    
Looking forward to your prompt clear and positive confirmation.