????????????-??????????????-???????????????????
????1??????????????????????????????????????????????????????????
????2???????????????????????????????????????????????????
??ξ?????????
????1.????С??
????2.????????С??????
????3.??γ?????????????????á?
????4.??????????????
????5.??????????????????????
????????????????
???????????????????????????????????????????????????????ˉ????????????????????????????????????β???????????????????? ???????????????????????????????????????????????????????β?????????????β??????? ????????????????????Ρ????????ε?????????????????????760mm??????????????? ??β???б??????ε??????????????????????а???????????????????塢??????????????д??????????????????????????????????????????????????
????????ù??|???????????????
????10# 0.07~0.13 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????20# 0.17~0.23 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????35# 0.32~0.39 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????45# 0.42~0.50 0.17~0.37 0.50~0.80 ??0.035 ??0.035
????40cr 0.37~0.44 0.17~0.37 0.50~0.80 ??0.035 ??0.035 0.08~1.10
????25Mn 0.22~0.2 0.17~0.37 0.70~1.00 ??0.035 ??0.035 ??0.25
????37Mn5 0.30~0.39 0.15~0.30 1.20~1.50 ??0.015 ??0.020
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 |
|
19*2.5 |
28*2.5 |
34*5 |
42*4 |
53*2 |
62*3 |
75*3 |
82*4 |
?????????????????????????????????????????????????????????????????????????????????????????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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