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???????Q345B??????Q345B???????????
??Q345B??????Q345B????,??????????????ε??????????????????????????е????????????????????????×???×????????????????“∠160×160×12”???????????160?????????12?????????????16#??????????????????в???????磬?????????????????????????????д??????????????????????????????????????????????????2#-20#??
?????????????????????????????????????????????????????????????????????????????????緿????????????????????е?????????????????ˉ????????????????? |
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????????y?????????Щ???????????????????????????????????? |
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| ?? ???????????????????????￡? |
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?? ?????????????????￡? |
| ??? |
??? |
???? |
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??? |
???? |
| ????? |
25*3 |
1.124 |
90*10 |
13.476 |
| 25*4 |
1.459 |
90*12 |
15.94 |
| 30*3 |
1.373 |
100*8 |
12.276 |
| 30*4 |
1.786 |
100*10 |
15.12 |
| 40*3 |
1.852 |
100*12 |
17.898 |
| 40*4 |
2.422 |
100*14 |
20.611 |
| 40*5 |
2.967 |
100*16 |
23.257 |
| 45*3 |
2.088 |
110*7 |
11.928 |
| 45*4 |
2.736 |
110*8 |
13.532 |
| 45*5 |
3.369 |
110*10 |
16.69 |
| 45*6 |
3.985 |
110*12 |
19.782 |
| 50*3 |
2.332 |
110*14 |
22.809 |
| 50*4 |
3.059 |
125*8 |
15.504 |
| 50*5 |
3.77 |
125*10 |
19.133 |
| 50*6 |
4.465 |
125*12 |
22.696 |
| 56*3 |
2.624 |
125*14 |
26.193 |
| 56*4 |
3.446 |
140*10 |
21.488 |
| 56*5 |
4.251 |
140*12 |
25.522 |
| 56*8 |
6.586 |
140*14 |
29.49 |
| 60*5 |
4.57 |
160*10 |
24.729 |
| 60*6 |
5.42 |
160*12 |
29.391 |
| 63*4 |
3.907 |
160*14 |
33.987 |
| 63*5 |
4.822 |
160*16 |
38.518 |
| 63*6 |
5.721 |
160*18 |
48.63 |
| 63*8 |
7.469 |
180*12 |
33.159 |
| 70*5 |
5.397 |
180*14 |
38.383 |
| 70*6 |
6.406 |
180*16 |
43.542 |
| 70*7 |
7.398 |
180*18 |
48.634 |
| 70*8 |
8.373 |
200*14 |
42.894 |
| 75*5 |
5.818 |
200*16 |
48.680 |
| 75*6 |
6.905 |
200*18 |
54.401 |
| 75*7 |
7.976 |
200*20 |
60.056 |
| 75*8 |
9.03 |
200*24 |
71.168 |
| 75*10 |
11.089 |
|
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| 80*6 |
7.736 |
|
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| 80*8 |
9.658 |
|
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| 80*10 |
11.874 |
|
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| 90*8 |
10.946 |
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| ??? |
??? |
???? |
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??? |
???? |
| ??????? |
32*20*3 |
1.171 |
100*63*7 |
8.722 |
| 40*25*3 |
1,484 |
100*63*8 |
9.878 |
| 40*25*4 |
1.936 |
100*63*10 |
12.142 |
| 45*28*3 |
1.687 |
100*80*6 |
8.35 |
| 45*28*4 |
2.203 |
100*80*7 |
9.656 |
| 50*32*3 |
1.908 |
100*80*8 |
10.946 |
| 50*32*4 |
2.494 |
100*80*10 |
13.476 |
| 56*36*3 |
2.153 |
110*70*6 |
8.35 |
| 56*36*4 |
2.818 |
110*70*7 |
9.656 |
| 56*36*5 |
3.466 |
110*70*8 |
10.946 |
| 63*40*4 |
3.185 |
110*70*10 |
13.476 |
| 63*40*5 |
3.92 |
125*80*7 |
11.066 |
| 63*40*6 |
4.638 |
125*80*8 |
12.551 |
| 63*40*7 |
5.339 |
125*80*10 |
15.474 |
| 70*45*4 |
3.57 |
125*80*12 |
18.33 |
| 70*45*5 |
4.403 |
140*90*8 |
14.16 |
| 70*45*6 |
5.218 |
140*90*10 |
17.475 |
| 70*45*7 |
6.011 |
140*90*12 |
20.724 |
| 75*50*5 |
4.808 |
140*90*14 |
23.908 |
| 75*50*6 |
5.699 |
160*100*10 |
19.872 |
| 75*50*8 |
7.431 |
160*100*12 |
23.592 |
| 75*50*10 |
9.098 |
160*100*14 |
27.247 |
| 80*50*5 |
5.005 |
160*100*16 |
30.835 |
| 80*50*6 |
5.935 |
180*110*10 |
22.273 |
| 80*50*7 |
6.848 |
180*110*12 |
26.464 |
| 80*50*8 |
7.745 |
180*110*14 |
30.589 |
| 90*56*5 |
5.661 |
180*110*16 |
34.649 |
| 90*56*6 |
6.717 |
200*125*12 |
29.761 |
| 90*56*7 |
7.756 |
200*125*14 |
34.436 |
| 90*56*8 |
8.779 |
200*125*16 |
39.045 |
| 100*63*6 |
7.55 |
200*125*18 |
43.588 |
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????????????????????????doc?桻?? ???????????????????doc?桻 |
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??????????? |
???????????????????????
????????????????????й漲???????????????????к????????????????????
??????????????????Χ????????й漲??????????????????????????????????????????漲??????????????????
?????????????????????
?????????=0.00785*?????+???-???*???
??????????????????????*????????*???=??? |
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?? ???????????????????????? |
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>>>>>>??????????————
???????????????????????????????????????????
??????????μ???????????????????????????????????????????ο???
???????2.5# 360?/????3# 300?/????4# 241?/????5# 171?/????6#6.3 #131?/????7#7.5#102?/????8#72?/????10#48?/????
11# 35?/????12#32?/????
???????——56*36# 171?/????63*40# 163?/????75*50# 144?/????100*63 #60?/????100*80# 53?/????125*80# 43?/????140*90# 38?/??
???????????Щ??????????
??????????????????????????????в????????????????????????????????
?????????????????????????????????????2—20?????????????????????????????????2—10????????????????±??12.5cm?????????????12.5cm—5cm???????????????5cm???μ??С?????????????????????????????????????????????????????????????????????????????????????С?
?????????????????????????????????????????Χ????????????3—9m??4—12m??4—19m??6—19m?????Χ?? ???y????????????6???9???12??????????????????????Χ?6—15m????????????????????????????????????????????????????????????????????е???????????25mm×16mm??200mm×l25mm???????????????????????????????????∠50*32--∠200*125 ????4-20mm ??????????????????????????е?????????????????????????????????緿??????????????????????????е?????ˉ???????????????????????
????????????????????
?? A?????????????????????????????????У???????????C??Mn??P??S?????????????????????в?????·?Χ?
C<0.22%??Mn??0.30—0.65%??P<0.060%??S<0.060%??
B?????鷽??????????????????????????????鷽????GB223??JISG1211—1215??BS1837??BS???19??roct22536???
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