| 
                             | 
                        
                            ASTM SAE4340 DIN 1.6511 Rodas redondas de liga SNCM439/40CrNiMoA2025-06-23 17:28:37 | 
                    
| 
                             | 
                        
                            Barras redondas forjadas ASTM AISI 4340 /1.6511/ Sncm4392023-12-08 10:49:10 |