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20# GB/T8163-2008???????????
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5109271516 |
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20# GB/T8163-2008??????????? |
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20# GB/T8163-2008???????????
| 20#?????????????? |
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| ????? |
20# |
133*10 |
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| ????? |
20# |
133*12 |
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| ????? |
20# |
133*14 |
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| ????? |
20# |
133*16 |
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| ????? |
20# |
133*18 |
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| ????? |
20# |
133*20 |
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| ????? |
20# |
133*25 |
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| ????? |
20# |
133*28 |
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| ????? |
20# |
133*32 |
???? |
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| ????? |
20# |
133*35 |
???? |
??? |
| ????? |
20# |
140*14 |
???? |
??? |
| ????? |
20# |
140*16 |
???? |
??? |
| ????? |
20# |
140*18 |
???? |
??? |
| ????? |
20# |
140*20 |
???? |
??? |
| ????? |
20# |
140*22 |
???? |
??? |
| ????? |
20# |
140*25 |
???? |
??? |
| ????? |
20# |
140*28 |
???? |
??? |
| ????? |
20# |
140*30 |
???? |
??? |
| ????? |
20# |
140*32 |
???? |
??? |
| ????? |
20# |
140*35 |
???? |
??? |
| ????? |
20# |
140*38 |
???? |
??? |
| ????? |
20# |
140*40 |
???? |
??? |
| ????? |
20# |
159*18 |
???? |
??? |
| ????? |
20# |
159*20 |
???? |
??? |
| ????? |
20# |
159*25 |
???? |
??? |
| ????? |
20# |
159*28 |
???? |
??? |
| ????? |
20# |
159*32 |
???? |
??? |
| ????? |
20# |
159*35 |
???? |
??? |
| ????? |
20# |
159*40 |
???? |
??? |
| ????? |
20# |
168*20 |
???? |
??? |
| ????? |
20# |
168*22 |
???? |
??? |
| ????? |
20# |
168*25 |
???? |
??? |
| ????? |
20# |
168*28 |
???? |
??? |
| ????? |
20# |
168*30 |
???? |
??? |
| ????? |
20# |
168*35 |
???? |
??? |
| ????? |
20# |
168*38 |
???? |
??? |
| ????? |
20# |
168*40 |
???? |
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??????????????
??????????kg/m = (Od - Wt) * Wt * 0.02466 ????Od???? Wt????
???????????????
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???????????????顪????????????顪??????????????????????????????????ɡ????????????Ρ?????????????????????????????????顪?????????????????????????ɡ????????????????????顪???????????????
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???????????????顪????????????顪??????????????????????????????????ɡ????????????Ρ??????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????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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???????????????|GB/T8163????????
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??????????????????20*3?????
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| ???????2457 ??????2010/5/10 ?????????? ??????? |
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