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            ?????λ?????? >> ????? >>
             ??????? >> 20?????С?????θ??  ?????????
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                  ???????  | 
                  93932216 | 
                 
                
                  ????????  | 
                  20?????С?????θ??  ????????? | 
                 
                
                  ?橈????  | 
                  12*1 | 
                 
                
                  ????????  | 
                  ???????0510-88268136 | 
                 
                
                  ??????  | 
                  ??????? | 
                 
                
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                       20?????С?????θ??  ????????? 
С???????????????? 
 
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 ?????  | 
 ????  | 
 6??1.5  | 
 20#  | 
 1.005  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 6??2  | 
 20#  | 
 2.54  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 6.4??2.2  | 
 ???  | 
 4.492  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 8??1  | 
 20#  | 
 2.618  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 8??1.5  | 
 20#  | 
 1.977  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 8??2  | 
 20#  | 
 4.478  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 3??1  | 
 20#  | 
 0.046  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 4??1  | 
 20#  | 
 0.305  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 5??1  | 
 20#  | 
 2.039  | 
 ????  | 
 ?????  |  
| 
 ?????  | 
 ????  | 
 6??1  | 
 20#  | 
 0.052  | 
 ????  | 
 ?????  |   
?????????? 
 
| ?????? | 
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| ????/? | 
BK | 
????????????????????????????????к?С????? |  
| ????/?? | 
BKW | 
??????????????С????????????????????????  ?????????????Σ????磺??????????? |  
| ???????????????? | 
BKS | 
??????????? Ac1??????????????????????? |  
| ??? | 
GBK | 
??????????????????????????е??????? |  
| ???? | 
NBK | 
??????????????????????????е????? |   ????????10.20.35.45???????仯?????????GB/T699??漲??????????????????
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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 
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            | ???????7245  ??????2012/9/3 ?????????? ??????? | 
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