?????????????|J55??????|N80??????|???????????? 
??????????????????????????????????????????????????????????С????????????????????????????????????????????????á??????(DZ)?????????????????DZ40??DZ55??DZ753??? 
1.???
?????????????????  
2.????
??????SY/T6194-96????????????????????????????????????????????  
3.??????????
????(1)????????SY/T6194-96?漲????????????????Χ8-13m??????????6m?????????????????????ó???20%??  
????(2)??????????治????????????????????????????????Щ?????????????????????ó??????????12.5%??  
????(3)???????治???????????????????????????????????  
????(4)?????????????????????????????????????????????ж???????????????????????? 
??????????????APISPEC5CT1988???1?棬???????H-40??J-55??K-55??N-80??C-75??L-80??C-90??C-95??P-110??Q-125??10???  
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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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