?????325*9?????ˉ??|20G?????ˉ??????
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20G |
GB5310-2008 |
325*8-9-10-12-14 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
325*16-18-20-25 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
377*10-12-14-16 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
377*18-20-25-30 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
402*11-12-14-16 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
402*18-20-25-30 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
406*12-14-16-18 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
406-20-25-30-35 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
426*11-12-16-18 |
???? |
???? |
??ˉ?? |
20G |
GB5310-2008 |
426*20-25-30-35 |
???? |
???? |
20g ????(2008???????Q245??) ????????е???????????ˉ?塣 ????g???ˉ???С????????????????g. ??????б????GB713-1997(???????????д????? ???????÷?Χ?????6mm-150mm???塣
?????????????????????????????????????????????????????????????????????????????????????????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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