 ??? 0 ????? %B2%BB%D0%E2%B8%D6%B9%DC%BC%DB%B8%F1 ?? ??????? ??????????? ?????????? |
| Q235-A??45#?????????????? |
| Q235-A??45#??????????????
Q235-A??45#????
Q235-A??????45????????????
1????????????????E5015??J507???????????????
2???????????????150??200???????
3?????????????????????????????????????????????????????????????????????????????????????????м?????á???????????2???????????????????????????????????
4??45??Q235???????????????????????????????亸????????????????????
5?????????????????????????+?????????????? -?????20/100????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=3849 - 2023/8/30 12:14:44 - |
| ???蹤???????????????????Щ |
|
???蹤???????????????????Щ
???蹤??????????????????????
????1??????????
???-????????????????????????????????????????p???????????p??????????????????
????2?????????
???????????ж?????????????????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=3848 - 2023/8/29 12:43:40 - |
| ?????Щ???(??????)??????????????? |
|
??Щ???(??????)???????????????
??Щ???(??????)???????????????????????????????????(0.2%)?????????????????????????????????????yield strength????
?????????????2??????????Ρ????????η????????Σ????????????????????????????????Σ???????????????????????????????仯???????????????????????? ???????&n... |
| http://m.zebwoc.cn/shownewsX.asp?id=3847 - 2023/8/28 13:12:36 - |
| ?????????????? ?????????? |
| ?????????????? ??????????
??????????????qu fu qiang du???????????????yield strength?????????????????????????????????????????
??????????
yield strength?????????????? ?????÷????s????????????????????????????1???????????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=3846 - 2023/8/27 13:41:32 - |
| ???????е????????????????????? |
| ??е???????????????????????
??е?????????????????????
???
???
????
????
???
??????
??????
??????
???
???
38*3
20#
???
4750
??0
??0
??50
GB8163????
???
48*3.5
20#
???
4750
??0
??0
??50
GB8163/????
???
57*3.5
20#
???
4600
??0
??50
??200
GB8163/????
???
60*4
20#
???
4600
??0
??50
??200
GB8163/????
... |
| http://m.zebwoc.cn/shownewsX.asp?id=3845 - 2023/8/26 14:10:28 - |
| ??????426????????????? |
| ??????426?????????????
??????426?????????????
????426????????10????.
????????????????????.
????????????,??????????????????????????.
????????????????????????[(??-???)*???]*0.02466=kg/??(????????) ????????????????????????-?????????0.02491=KG/M??????????? ??????????????????*???*0.006165
(426-10)*10*0.02466=102.6????/
??????ж????????????,?????????????,????????????????ж??????????
???????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=3844 - 2023/8/25 14:39:24 - |
| 5??30??????????????????????????????(???°?) |
| 5??30??????????????????????????????(???°?)
???????????=0.00785*?????+???-???*??????????????=0.00617*???*???(?????????????????????????=0.00785*???*?????????????=0.0246615*???*????-??????????????=7.85*???????????????=0.02670*???*????-????????????????=0.02796*???*????-???)??????壺??????????=2.96*???????????????????8.9?????8.5п??7.2???11.37???????????????????????????=????*???
|
| http://m.zebwoc.cn/shownewsX.asp?id=3843 - 2023/8/24 15:08:20 - |
| 418????????????????? |
| 418?????????????????
418?????????????????
????????????? www.wangdebin.com
??????λ?????
?????λ?????
???
????kg/m
?????????????
426
6
... |
| http://m.zebwoc.cn/shownewsX.asp?id=3842 - 2023/8/23 15:37:16 - |
| ???????? D426*6.3????????????? |
| ???????? D426*6.3?????????????
???????? D426*6.3?????????????
??????λ?????
?????λ?????
???
????kg/m
?????????????
426
6
414
6... |
| http://m.zebwoc.cn/shownewsX.asp?id=3841 - 2023/8/22 16:06:12 - |
| ??С???????????????? |
| ??С????????????????
??С????????????????
??????λ?????
?????λ?????
???
????kg/m
?????????????
630
9
612
137.82
... |
| http://m.zebwoc.cn/shownewsX.asp?id=3840 - 2023/8/21 16:35:08 - |
|
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??? ???? [35]
[36]
[37] ???? ??
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