| 
				 
					牌號(hào) 
			 | 
			
				 
					化學(xué)成分 
			 | 
			||||||
| 
				 
					C 
			 | 
			
				 
					Mn 
			 | 
			
				 
					Si 
			 | 
			
				 
					S 
			 | 
			
				 
					P 
			 | 
			|||
| 
				 
					SK2 
			 | 
			
				 
					1.15-1.24 
			 | 
			
				 
					≤0.40 
			 | 
			
				 
					≤0.35 
			 | 
			
				 
					≤6.03 
			 | 
			
				 
					≤6.035 
			 | 
		||