埋弧焊用焊絲,埋弧焊絲
	
	
				 
			
					 
				
					 
				
					 
				
si≤0.03, p≤0.030, s≤0.030, cu≤0.20
					 
			
				 
			
					 
				
					 
				
					 
				
si≤0.03, p≤0.020, s≤0.020, cu≤0.20
					 
			
				 
			
					 
				
					 
				
				
					 
				
si≤0.07, p≤0.030, s≤0.030, cu≤0.20
					 
			
				 
			
					 
				
					 
				
					 
				
si≤0.07, p≤0.035, s≤0.035, cu≤0.20
					 
			
				 
			
					 
				
					 
				
					 
				
si: 0.60-0.90, p≤0.035, s≤0.030, cu≤0.35
					 
			
				 
			
					 
				
					 
				
					 
				
si≤0.25, p≤0.030, s≤0.030, mo≤0.50-0.70
					 
			
				 
			
					 
				
					 
				
					 
				
si≤0.25, p≤0.030, s≤0.030, cu≤0.20, mo≤0.30-0.50
					 
			
				 
		
	
					 
				
					 
				
					 
				
si: 0.65-0.95, p≤0.030, s≤0.030, cu≤0.20