?????豸????????
????
20#??20G??15CrMo??12Cr1MoV
??б??
GB6479-2000
????
|
?????豸???????? |
|
??? |
???? |
??? |
???? |
??? |
???? |
??? |
???? |
|
14*4 |
??? |
45*5 |
??? |
83*12 |
??? |
159*22 |
??? |
|
16*3 |
??? |
49*10 |
??? |
83*13 |
??? |
159*25 |
??? |
|
18*3 |
??? |
57*5 |
??? |
83*15 |
??? |
168*28 |
??? |
|
19*3 |
??? |
58*9 |
??? |
89*5 |
??? |
180*22 |
??? |
|
21*3.5 |
??? |
59*9 |
??? |
89*6 |
??? |
180*30 |
??? |
|
24*5 |
??? |
60*10 |
??? |
102*17 |
??? |
219*38 |
??? |
|
24*6 |
??? |
62*10 |
??? |
103*14 |
??? |
245*26 |
??? |
|
25*2 |
??? |
63*10 |
??? |
103*17 |
??? |
273*32 |
??? |
|
28*4 |
??? |
64*9 |
??? |
104*15 |
??? |
325*12 |
??? |
|
32*3 |
??? |
65*10 |
??? |
108*14 |
??? |
426*14 |
??? |
|
32*4 |
??? |
66*9 |
??? |
108*15 |
??? |
480*9 |
??? |
|
35*6 |
??? |
66*10 |
??? |
108*16 |
??? |
89*5.5 |
??? |
|
35*9 |
??? |
67*10 |
??? |
108*17 |
??? |
168*7 |
??? |
|
38*4 |
??? |
68*9 |
??? |
127*17 |
??? |
219*8 |
??? |
|
42*4 |
??? |
68*10 |
??? |
127*19 |
??? |
273*9.5 |
??? |
|
43*7 |
??? |
68*13 |
??? |
127*21 |
??? |
273*13 |
??? |
|
43*8 |
??? |
73*5 |
??? |
159*10 |
??? |
377*9 |
??? |
|
43*9 |
??? |
76*6 |
??? |
159*16 |
??? |
426*10 |
??? |
|
43*10 |
??? |
83*11 |
??? |
159*20 |
??? |
426*14 |
??? |
|
45*3.5 |
??? |
|
|
|
|
|
|
??????ù?(GB6479-2000)
??????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??
??????????????????????
???????????:
??????綽??18921511196??????????????綽??0510-88268136??
??????綽??13812042226??????????????綽??0510-88267553??
????????????:
??????綽??13382886444??????????????綽??0510-88264321??
??????綽??18014258567??????????????綽??0510-88268567??
????????????:
??????綽??13646176766??????????????綽??0510-88269158??
???????????????????????????????ù?????????????????
????У??? 4mm ???? 720mm*1mm ??90mm
????????????С???????????????????????????????????????
??????? ??10????20????Q235????35????45????20G??16Mn??Q345????27SiMn??
??????? ???????????????????????????????????????ˉ???????????ˉ???????????????????????????????????????????????????????
??б?? ??GB/T8162-2008??GB/T8163-2008??GB3087-2008??GB5310-2008??GB6479-2000??GB9948-2006????б????
????У??? 4mm ???? 720mm*1mm ?? 90mm
?????λ???
?? ? ? ?? 
