| ????????? ??????????????????>>>> | 
       
      
         | 
       
      | 
    
      
            ?????λ?????? >> ????? >>
             ?????? >> ???27SiMn??????????-??????????508*60???-?????????????
         | 
       
      
        
          
             | 
           
          
            
                
                  
                    
                      
                       
                      
                   | 
                  ???????  | 
                  2139444916 | 
                 
                
                  ????????  | 
                  ???27SiMn??????????-??????????508*60???-????????????? | 
                 
                
                  ?橈????  | 
                  508*60 | 
                 
                
                  ????????  | 
                  ???????0510-88268136 | 
                 
                
                  ??????  | 
                  ?????? | 
                 
                
                  |   | 
                 
              | 
           
          
                 ?? ? ? ??  | 
           
          
            
                
                  
                       ???27SiMn??????????-??????????508*60???-????????????? 
???27SiMn???????
27SiMn???????????????????A10272 ?????????  
 
| 
 ???  | 
 ???????????????????%??  |  
| 
 C  | 
 Si  | 
 Mn  |  
| 
 27SiMn  | 
 0.24-0.32  | 
 1.10-1.40  | 
 1.10-1.40  |   
??????????  
 
| 
 ???????  |  
| 
 ??????? 
??磨mm??  | 
 ???????????????棩  | 
 ????????? 
???棩  | 
 ??????? 
????b/MPa??  |  
| 
 ?????  | 
 ?????  |  
| 
 25  | 
 920?? 
????????  | 
 -  | 
 450?? 
????????????  | 
 ?R980  |  
| 
 ???????  |  
| 
 ?????? 
????s/MPa??  | 
 ??????? 
????5/%??  | 
 ?????????? 
????/%??  | 
 ???????? 
??Aku2/J??  | 
 ????????HBS100/3000?? 
???????????????  |  
| 
 ?R835  | 
 ?R12  | 
 ?R40  | 
 ?R39  | 
 ?Q217  |   
???27SiMn?????????? 
 
| 
 27SiMn???????(GB/T17396-1998)  |  
| 
 ???  | 
 ????  | 
 ???  | 
 ????  | 
 ???  | 
 ????  | 
 ???  | 
 ????  |  
| 
 83*13  | 
 ???  | 
 127*10  | 
 ???  | 
 168*20  | 
 ???  | 
 245*27  | 
 ????  |  
| 
 83*14  | 
 ???  | 
 127*17  | 
 ???  | 
 168*32  | 
 ???  | 
 245*32  | 
 ???  |  
| 
 89*16  | 
 ???  | 
 133*16  | 
 ???  | 
 180*21  | 
 ???  | 
 273*27  | 
 ????  |  
| 
 95*9.2  | 
 ???  | 
 133*16  | 
 ???  | 
 180*22  | 
 ???  | 
 273*30  | 
 ????  |  
| 
 95*10  | 
 ???  | 
 133*22  | 
 ???  | 
 180*25  | 
 ???  | 
 273*36  | 
 ????  |  
| 
 95*15  | 
 ???  | 
 140*18  | 
 ???  | 
 180*40  | 
 ???  | 
 299*30  | 
 ????  |  
| 
 102*14  | 
 ???  | 
 146*14  | 
 ???  | 
 194*21  | 
 ???  | 
 325*30  | 
 ????  |  
| 
 114*9.2  | 
 ???  | 
 152*17  | 
 ???  | 
 203*26  | 
 ???  | 
 377*35  | 
 ????  |  
| 
 114*10  | 
 ???  | 
 159*16  | 
 ???  | 
 219*22  | 
 ???  | 
 426*40??   | 
 ???  |  
| 
 114*19  | 
 ???  | 
 159*21  | 
 ???  | 
 219*25  | 
 ???  | 
 457*50??  | 
 ?????  |  
| 
 121*14  | 
 ???  | 
 168*18  | 
 ???  | 
 232*31  | 
 ???  | 
 508*60??  | 
 ?????  |   
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??... 
                      ???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777 
                   | 
                 
              | 
           
          
             | 
           
          
            ??????????
              ?????????-??????????-27SiMn???????????
              
                 
                ??????????
                  ?????????-????27SiMn??????-???????????????
                     
                
               ??????????  | 
           
          
            | ???????3404  ??????2012/2/13 ?????????? ??????? | 
             | 
           
          | 
       
      |