?????豸?ù?|??????ù?|??????????
??????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?????
??????????????????????????
??????б????GB6479-2000??ASTM DIN JIS
????????????20# 16Mn??15CrMo,12CrMo??12Cr2Mo??
????4.?????????
????(1)GB3087-82?????????ˉ?????????漲???????????鷽????GB222-84??GB223???????????????????????е??й?????
????(2)GB5310-95???????ˉ?????????漲???????????鷽????GB222-84??????????????????????????GB223???????????????????????е??й?????
????(3)?????ˉ???????????鰴????漲???й??????С?
????5.??ˉ???????
????(1)??????????????20G??20MnG??25MnG??
????(2)????????15MoG??20MoG??12CrMoG??15CrMoG??12Cr2MoG??12CrMoVG??12Cr3MoVSiTiB???
????(3)????????????1Cr18Ni9??1Cr18Ni11Nb??ˉ??????????????е?????????????????飬??????????????顣??????????????????
????????????????????????????????????????????
????6.???????????
????(1)GB3087-82?????????ˉ?????????漲?????????鰴GB/T228-87???????鰴GB/T241-90????????鰴GB/T246-97?????????鰴GB/T242-97?????????鰴GB244-97??
??????????ù??????????[(??-???)*???]*0.02466=kg/?????????????
|
?????豸?ù? |
| ????:20(GB6479-2000) |
????:20(GB6479-2000) |
????:20(GB6479-2000) |
????:20(GB6479-2000) |
| ??? |
??? |
??? |
??? |
| 14*4 |
45*5 |
83*13 |
168*28 |
| 16*3 |
49*10 |
83*15 |
180*22 |
| 18*3 |
57*5 |
89*5 |
180*30 |
| 19*3 |
58*9 |
89*6 |
219*38 |
| 21*3.5 |
59*9 |
102*17 |
245*26 |
| 24*5 |
60*10 |
103*14 |
273*32 |
| 24*6 |
62*10 |
103*17 |
325*12 |
| 25*2 |
63*10 |
104*15 |
426*14 |
| 28*4 |
64*9 |
108*14 |
480*9 |
| 32*3 |
65*10 |
108*15 |
89*5.5 |
| 32*4 |
66*9 |
108*16 |
168*7 |
| 35*6 |
66*10 |
108*17 |
219*8 |
| 35*9 |
67*10 |
127*17 |
273*9.5 |
| 38*4 |
68*9 |
127*19 |
273*13 |
| 42*4 |
68*10 |
127*21 |
377*9 |
| 43*7 |
68*13 |
159*10 |
426*10 |
| 43*8 |
73*5 |
159*16 |
426*14 |
| 43*9 |
76*6 |
159*20 |
?? |
| 43*10 |
83*11 |
159*22 |
?? |
| 45*3.5 |
83*12 |
159*25 |
?????????????????????????????????????????????????????????????????????????????????????????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???
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