?????????-????????????-????????????????
??????
?????????????????????????????????????????(??????)??????????????????б?????????η????????????????????????????????????????????????????????????????????????????Ч????????????????????????????
??????????GB3087-1999
?????з???(??????)??GB/T3091-2000??
(1)?????????
??????Q235-345??L17-485??SS400??16Mn?? L290-36
??б????????API SPEC 5L?????淶 GB/T9711.1 , SY/T5037??????????????????????????
?????????2000mm??500mm ????????????????????,?????
????????????????
??????????о???????????????????????????????????￡????????????????????????????????950???????????????????????????????????????24???Σ??????????????????????????????????????????????????????????б????????,???????ˉ??????亸?????????????????е?????????????′??? ?????????ε??????????????????????????????羫??(?????????????????)???????????????緢???????????????????ˉ????????????ú???????????
????????????÷?Χ?????????????????????????????????????????????н???????????????????????????????ú??????á?
??????????
6-8-10-12-14-16-18 *1-3
20-22-24-25-28-30- 32 *3-8
34-36-38-40-42-45-48 *3-12
50-51-54-57-60-63.5 *3-15
65-68-70-73-76-80-83-89 *3-25
95-102-108-114-121-127 *4-35
133-140-146-152-159-168 *4-50
178-180-194-203-219-245 *6-60
273-299-325-351-355-377 *6-90
402-406-426-450-457-465 *8-80
480-500-508-510-530-560 *8-80
580-610-630-660-680-720 *10-120
?????????????????????????????????????????????????????????????????????????????????????????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
|
?????λ???
?? ? ? ?? 
