Q345B????? 280*28???????? ?????????? 
Q345B   280*28*9.5??   ??????????????    30??   ??????0510-88268136 
Q345B?????????????: 
???????????????10??20??30??35??45??????????16Mn??5MnV?????????40Cr??30CrMnSi??45Mn2??40MnB????????????????????10??20??????????????????????????????????45??40Cr????????????????????????е??????????????????????????????????????????????????????顣????????????????????????????????????????????????? 
  
| 
 ????  | 
 ????  | 
 280??40  | 
 Q345B/16Mn  | 
 14.708  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280*35  | 
 Q345B/16Mn  | 
 1.916  | 
 ????  | 
       ?????  |  
| 
 ????  | 
 ????  | 
 280??30  | 
 Q345B/16Mn  | 
 21.602  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??28  | 
 Q345B/16Mn  | 
 2.12  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??25  | 
 Q345B/16Mn  | 
 26.624  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??22  | 
 Q345B/16Mn  | 
 1.528  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??20  | 
 Q345B/16Mn  | 
 2.622  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??18  | 
 Q345B/16Mn  | 
 17.794  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??16  | 
 Q345B/16Mn  | 
 3.562  | 
 ????  | 
 ?????   |  
| 
 ????  | 
 ????  | 
 280??14  | 
 Q345B/16Mn  | 
 14.708  | 
 ????  | 
 ?????   |     
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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 
                   |