Nom | 																																																																											C | 																																																																											Mn | 																																																																											Si | 																																																																											S | 																																																																											P | 																																																																											Cr | 																																				
																																																																																																															SY-01-45# | 																																																																											0.42-0. 48 | 																																																																											0.50-0.80 | 																																																																											0.17-0, 37 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0, 15 max | 																																				
																																																																																																															SY-02-50MN | 																																																																											0.48-0.56 | 																																																																											0.65-1. 00 | 																																																																											0.17-0, 37 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0, 15 max | 																																				
																																																																																																															SY-03-60MN | 																																																																											0.57-0.65 | 																																																																											0.70-1.10 | 																																																																											0.17-0, 37 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0, 25 max | 																																				
																																																																																																															SY-04-65MN | 																																																																											0.62-0, 75 | 																																																																											0.90-1.20 | 																																																																											0.17-0, 37 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0, 25 max | 																																				
																																																																																																															SY-05-B2 | 																																																																											0.75-0. 85 | 																																																																											0.70-0. 90 | 																																																																											0.17-0. 35 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0, 40-0, 60 | 																																				
																																																																																																															SY-06-B3 | 																																																																											0.50-0. 65 | 																																																																											0.40-1. 00 | 																																																																											1.35-1.85 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0.80-1.20 | 																																				
																																																																																																															SY-07-BL | 																																																																											0.55-0, 75 | 																																																																											0.65-0.85 | 																																																																											0.15-0.35 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											0.70-1.20 | 																																				
																																																																																																															SY-08-BG | 																																																																											0.90-1.05 | 																																																																											0.35-0.95 | 																																																																											0.15-0.35 | 																																																																											0.05max | 																																																																											0.05max | 																																																																											1.0-1.70 |