?????|??????|????????????-??ξ????????? 
???????????С?????????????????25-89?????2-10??????????????20#??45#??16Mn??12CrMoVG??? 
?????
????  
?? ?? ??
  
?????? ??? Standard 
  
????  
GB/T3639
  
????GB/T8713
  
????DIN2391-2
  
????HK15-2000
  
????????? Uses 
  
?????????????е???????豸????????? 
  
??ξ?????????: 
??????????????????????????????10-219mm???1-30mm?????????-???????
  
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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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