???????????? GB9948-1988????????
???????????????
??繫??
|
??繫?? |
|
??? |
??? |
??????? |
|
GB9948-1988 |
?? |
??159 |
??1.00% |
|
>159 |
??1.25% |
|
??? |
??20 |
??12.5% |
|
>20 |
??10.0% |
????????
?????????????????п???楨?????н?????????????????????????y??????
???
?????????????ˉ???????????????????????????????????10??20?????????12CrMo??15CrMo??????????12Cr2Mo??15Cr5Mo??????????1Cr18Ni9??1Cr18Ni9Ti????????????????????????е???????????????????????????飬??????????????????顣??????????????????? ?????????????????????????????????????????????????豸?????????????????????????????????????е??????????????????????????????????????
???
????????????????е???????????????????????????г???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????￡???????????????????ι???????????????塣
???????
??????????ù????У???????????????????????????????????????????????????????????????????????????????????????????????ù?????Σ??????????????????????????楨???????????????á?
20G????????
??????20G
??б????GB9948-88
20G????????????
|
??? |
???? |
??? |
???? |
??? |
???? |
??? |
???? |
|
18*3 |
??? |
60*8 |
??? |
133*14 |
??? |
273*9.5 |
??? |
|
18*4 |
??? |
60*9 |
??? |
140*8 |
??? |
273*10 |
??? |
|
22*3 |
??? |
60*10 |
??? |
140*9 |
??? |
273*11 |
??? |
|
22*4 |
??? |
76*5 |
??? |
152*7 |
??? |
273*12 |
??? |
|
22*5 |
??? |
76*6 |
??? |
152*8 |
??? |
273*13 |
??? |
|
25*3 |
??? |
76*7 |
??? |
152*9 |
??? |
273*14 |
??? |
|
25*3.5 |
??? |
76*8 |
??? |
152*10 |
??? |
273*15 |
??? |
|
25*4 |
??? |
76*10 |
??? |
159*6 |
??? |
273*16 |
??? |
|
25*4.5 |
??? |
89*4 |
??? |
159*6.5 |
??? |
273*18 |
??? |
|
27*4 |
??? |
89*4.5 |
??? |
159*7 |
??? |
273*20 |
??? |
|
27*5 |
??? |
89*5 |
??? |
159*8 |
??? |
273*22 |
??? |
|
27*5.5 |
??? |
89*6 |
??? |
159*8.5 |
??? |
273*25 |
??? |
|
32*3.5 |
??? |
89*6 |
??? |
159*10 |
??? |
325*8.5 |
??? |
|
32*4 |
??? |
89*6.5 |
??? |
159*11 |
??? |
325*9 |
??? |
|
32*4.5 |
??? |
89*7 |
??? |
159*12 |
??? |
325*9.5 |
??? |
|
32*5 |
??? |
89*7.5 |
??? |
159*14 |
??? |
325*10 |
??? |
|
34*3 |
??? |
89*8 |
??? |
159*16 |
??? |
325*12 |
??? |
|
34*4 |
??? |
89*9 |
??? |
159*18 |
??? |
325*13 |
??? |
|
34*4.5 |
??? |
89*10 |
??? |
168*6 |
??? |
325*15 |
??? |
|
34*5 |
??? |
89*11 |
??? |
168*7 |
??? |
325*16 |
??? |
|
34*6.5 |
??? |
89*12 |
??? |
168*8 |
??? |
325*17 |
??? |
|
38*3 |
??? |
89*14 |
??? |
168*9 |
??? |
325*18 |
??? |
|
38*4 |
??? |
102*8 |
??? |
168*9.5 |
??? |
325*22 |
??? |
|
38*5 |
??? |
108*6 |
??? |
168*10 |
??? |
325*25 |
??? |
|
45*4 |
??? |
108*7 |
??? |
168*11 |
??? |
356*9.5 |
??? |
|
45*5 |
??? |
108*8 |
??? |
168*12 |
??? |
356*11 |
??? |
|
48*3.5 |
??? |
108*9 |
??? |
168*14 |
??? |
356*15 |
??? |
|
48*4 |
??? |
108*10 |
??? |
168*15 |
??? |
356*19 |
??? |
|
48*4.5 |
??? |
108*12 |
??? |
168*16 |
??? |
356*28 |
??? |
|
48*5 |
??? |
114*5 |
??? |
168*18 |
??? |
356*28 |
??? |
|
48*6 |
??? |
114*5.5 |
??? |
168*20 |
??? |
377*9.5 |
??? |
|
48*7 |
??? |
114*6 |
??? |
219*7 |
??? |
377*10 |
??? |
|
51*5 |
??? |
114*8 |
??? |
219*8 |
??? |
377*11 |
??? |
|
51*6 |
??? |
114*8.5 |
??? |
219*10 |
??? |
377*14 |
??? |
|
57*4 |
??? |
114*9 |
??? |
219*12 |
??? |
377*15 |
??? |
?????λ???
?? ? ? ?? 
