Designation
	
		
		
			| Name | The value | 
		
		
		
			| Designation GOST Cyrillic | 80С | 
		
			| Designation GOST Latin | 80C | 
		
			| Transliteration | 80S | 
		
			| By chemical elements | 80С | 
		
	
 
			Description
			80S steel is used: for the manufacture of reinforcement class A-IV, designed for conventional reinforcement and prestressed concrete structures.
Standards
    
        
        
            | Name | Code | Standards | 
        
        
        
	| Bars and shapes | В22 | GOST 5781-82, TU 14-2-949-91, TU 14-1-5254-94 | 
	| Bars and shapes | В32 | TU 14-11-245-88 | 
        
    
 
Chemical composition
	
		
		
			| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Ti | 
		
		
		
	| GOST 5781-82 | 0.74-0.82 | ≤0.045 | ≤0.04 | 0.5-0.9 | ≤0.3 | 0.6-1.1 | ≤0.3 | Rest | ≤0.3 | 0.015-0.04 | 
		
	
 
Fe is the basis. 
	Mechanical properties
	
		
			
			
				
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | 
			
			
			
	| Without heat treatment - as supplied | 
	
| 10-18 | 600 | 900 | 6 | 
			
		
	 
Description mechanical marks
	
		
		
			| Name | Description | 
		
		
		
	| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% | 
	| σU | Limit short-term strength | 
	| d5 | Elongation after rupture | 
		
	
 
Technological properties
	
		
		
			| Name | The value | 
		
		
		
	| Weldability | without restrictions |