??????ù??GB6479-2000(????????豸?? ?????)?????????????豸??????????????????? ?????????20??16Mn??12CrMo??12Cr2Mo???
?????豸????????(GB6479-86)???????????????-40-400?楨????????10-30Ma??????豸??????????????????????????
???????????????????????
??б????GB6479-2000??ASTM DIN JIS
????????20#??16Mn??15CrMo??12CrMo??12Cr2Mo??
|
83??10-12-14-16-18-20 |
203??32-36-40 |
|
89??8-10-12-14-16-18-20 |
219??6-8-12-16-18-20-25 |
|
95??6-8-10-12-14-16-20 |
219??30-40 |
|
102??6-7-8-10-12-14-16-20 |
245??8-10-14-17-20-22 |
|
108??6-7-8-10-12-14-18-20-22 |
245??25-28-30-34-40 |
|
114??6-7-8-10-12-14-18-20 |
273??7-9-12-15-18-20-25 |
|
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 |
?????????????????????????????????????????????????????????????????????????????????????????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???
?? ? ? ?? 
