????????????-???????????????-????????45#????
?????????
?????
GB/T3639---------?й???????
GB/T8713---------?й???????
?????
?????е???????豸???????????????????
???????????????
10??20??35??45 ??
??Э???????????????????
??е??????
|
??? |
?????? |
|
BK |
BKW |
BKS |
NBK |
|
???????(MPa) |
????(%) |
???????(MPa) |
????(%) |
???????(MPa) |
????(%) |
???????(MPa) |
????(%) |
???????(MPa) |
|
?? |
|
10 |
410 |
6 |
375 |
10 |
335 |
12 |
335 |
24 |
|
|
20 |
510 |
5 |
450 |
8 |
430 |
10 |
410 |
20 |
|
|
35 |
590 |
4 |
550 |
6 |
520 |
8 |
530 |
17 |
|
|
45 |
645 |
4 |
630 |
5 |
610 |
7 |
600 |
14 |
|
|
40Cr |
??784 |
??12 |
|
|
|
|
|
|
|
|
37Mn5 |
??784 |
??12 |
|
|
|
|
|
|
|
GB/T3639?????????
????
????????????????????????ξ???????????????????????????????????????????????
??????
DIN/EN ??и???????????????????????????????????????
??????
DIN2391?? DIN2445?? EN10305?? GB/T 3639 GB 8713..........
???????
ST35(E235)??ST37 ??ST45(E255)??ST52(E355)??10#??20#??35#??45#.........
?????????
NBK(+N) GBK(+A) BK(+C) BKW(+LC) BKS(+SR)
|
??? |
??? |
??? |
??? |
??? |
??? |
??? |
??? |
|
8*2 |
23*3 |
30*6 |
38*2.5 |
50*2 |
58*3 |
68*3 |
78*8 |
|
10*2.5 |
23*4 |
32*2 |
38*3 |
50*2.5 |
58*4 |
68*4 |
80*2 |
|
16*2 |
24*2 |
32*2.5 |
38*3.5 |
50*3 |
58*6 |
68*6 |
80*3 |
|
16*2.5 |
24*3 |
32*3 |
38*4 |
50*4 |
59*2 |
70*2 |
80*4 |
|
16*3 |
24*4 |
32*3.5 |
38*6 |
50*6 |
59*3 |
70*3 |
80*6 |
|
17*2 |
25*2 |
32*4 |
40*2 |
51*2 |
59*4 |
70*4 |
80*8 |
|
17*2.5 |
25*3 |
32*5 |
40*3 |
51*3 |
59*6 |
70*6 |
80*12 |
|
17*3 |
25*4 |
32*6 |
40*4 |
51*4 |
60*2 |
72*2 |
81*2 |
|
18*2 |
27*2 |
34*2 |
40*5 |
52*2 |
60*3 |
72*3 |
81*4 |
|
18*2.5 |
27*3 |
34*2.5 |
40*6 |
52*3 |
60*4 |
72*4 |
81*6 |
|
18*3 |
27*4 |
34*3 |
42*2 |
52*4 |
60*6 |
72*6 |
81*8 |
|
19*2 |
28*2 |
34*4 |
42*3 |
52*6 |
62*2 |
75*2 |
81*12 |
?????????????????????????????????????????????????????????????????????????????????????????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
|
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