?????豸??|??????ù?|?????豸?????????-?????????
??????ù?
??????????ù??GB6479-2000??????????豸?????????????????????豸???????????????????????????20??16Mn??12CrMo??12Cr2Mo???
??????????ù??GB6479-86?????????????????-40~400?楨????????10~30Ma??????豸?????????????????????????
?????????豸?????????GB6479-86?????????????????-40~400?楨????????10~30Ma??????豸??????????????????????????
???????????????硢?????????????????????????????Q235A??B?????GB/T14980-1994????????????????????紙????????ˉ?????????????????????ú???????????????????????????????????????????Q235A?????
?????????
|
121??6-7-8-10-12-14-16-20 |
273??30-35-38-40 |
|
127??-6-7-8-10-12-14-16-20 |
299??8-12-16-20-24-28 |
|
133??6-8-12-14-16-18-20-25-30 |
299??30-32-36-38-40 |
|
140??6-7-8-9-10-12-14-16-20-22 |
325??8-12-14-18-38 |
|
146??6-8-12-14-16-18-20-25-30 |
325??28-32-34-38 |
|
152??6-8-12-14-16-18-20-25-30 |
351??10-16-20-25-40 |
|
159??6-10-12-14 |
355??6-18-20-25-30-40 |
|
159??16-18-20-22-25-30 |
377??8-12-15-20-24-28 |
|
168??8-10-12-14-20-25-30-35 |
377??30-37-40 |
|
180??8-12-16-25-30 |
402??10-15-20-25-30-35 |
|
180??32-34-38-40 |
406??10-20-25-28-35-40 |
|
194??6-8-12-16-20-25-30-40 |
426??10-12-14-16-20-25-30-35-40 |
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