27SiMn???????\??????\????????? 
27SiMn???????: 
27SiMn???????????????????ú???????????????????????????????????????20??45??27SiMn???  
27SiMn?????????????????????????????????????????????????????????????????????????????????????????辭????????????????????????????????????????????????????????????????????????????????????????????????е??????е????????. ????HB285??????????????????; 
?????????: 
??б??GB/T17396-1998?? 
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  |   
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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 
                   |