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101710423516 |
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????????????????????????3087?????ˉ??377*10??? |
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377*10 |
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?????????????????????????3087?????ˉ??377*10???
????? ???????????? ???????????????????
 
????3087?????ˉ????:
??ˉ??(GB3087-1999 GB5310-1995)
?????GB3087-1999 GB5310-1995
???????????????????????????????ˉ????????ú?????????????????????????????????
??ˉ??????????GB5310-95??ST45.8-?????
??ˉ??( GB5310-1995)
????? GB5310-1995
????????????????????????ˉ????????ú?????????????????????????????????
GB3087-2008??GB5310-1995??ˉ???????????????????
3087?????ˉ???????????
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???(S) |
?????????? |
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GB3087-1999 |
??20 |
+15%,-12.5%(??С?+0.45mm,-0.35mm) |
|
>20 |
??12.5% |
|
GB5310-1995 |
<3.5 |
+15%(??С?+0.48mm) |
|
-10%(??С?+0.32mm) |
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3.5-20 |
+15%,-10% |
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>20 |
D<219 |
??10% |
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D??219 |
+12.5%,-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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?????????-?????20#?????127*18,?г???????
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| ???????2038 ??????2011/10/17 ?????????? ??????? |
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