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8??9????????????????????????????????е????????8??5?????????????????????????????????????￡?
1???????μ?20?/??????6.5mm HPB300??м???3200?/?????8mm HPB300??м???3170?/???
2???????μ?20?/??????6mm HRB400??м???3540?/?????8mm HRB400??м???3270?/???
3????????μ?20?/??????12mm HRB335??м???3250?/?????18-25mm HRB335??м???3070?/?????... |
| http://m.zebwoc.cn/shownewsX.asp?id=4189 - 2024/8/28 16:17:24 - |
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????????????????ó?????Ч??????????????
???ó???????????1棬?????????????????????????????????????
?1?漲??????????????????ó????????????ù漲??Ч???????
?????????????????????????????????????????????ò???????????????????????????????????????????????????????
??2009??????????????????????????????????????????????????2010???????????????????????????????44%??201... |
| http://m.zebwoc.cn/shownewsX.asp?id=4188 - 2024/8/26 16:46:20 - |
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?????-??λ???????????????
?????-??λ???????????????
????????????????λ???????????????????????????????????????????????????????й??????????????????????Ρ????????????????е???????????????????????? ?????????????????????????????????к????????????????????C????Si????Mn????S????P????Cr??
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?й?:j??ng m?? g??ng gu??n
??????:tubo preciso de acero
????:le... |
| http://m.zebwoc.cn/shownewsX.asp?id=4187 - 2024/8/23 17:15:16 - |
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?????-???????ξ???????????????
30crmo?????
????????????
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16mn?????????
??ι???????????????GB3639-2000?????????е???????豸???羫??????????????λ???????????????
???????ξ??????????????????????????,???????ξ??????????????????????????Ч???????? ??ν???????ι???????????羫??(????Χ)?????????????????????????????????? ?ü?????????????????ι??????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=4186 - 2024/8/21 17:44:12 - |
| ??355??????20???????????????? |
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??355??????20????????????????
??355??????20????????????????
????????1?????????????????1.6MPa??
2???????????????1.6-6.4MPa??
3???????????????6.4-10MPa??
4?????????????????10-20MPa??
??п????????
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1?????=3.14[(D/2)*2-(d/2)*2]x1000mmx7.8x10-6 kg/mm*3x5.7?/kg
D???????? d ????????
?????п?????
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| http://m.zebwoc.cn/shownewsX.asp?id=4185 - 2024/8/19 18:13:08 - |
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???38???3????θ????????????
???38???3????θ???????9.8?
?????????????????·??б??????????????????????????????????б????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????ü?????????????????????б????Ч????????????????????????б????????????????????????????????????????????????????????????????????????????????????????
1.????????s??
??????????????????????????????????????????????????????????????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=4183 - 2024/8/15 19:11:00 - |
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????????????????????????????????????豸?????????????????????????????????????г???????????????????????????????????????????????????г???????????????????????????????????????????????????????????????????????????????к??????????????????????????????????????????????????????????λ?????????????????????????????????????????????????????????????????????????... |
| http://m.zebwoc.cn/shownewsX.asp?id=4182 - 2024/8/13 19:39:56 - |
| ???????????豸?????????????Ч???? |
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????????Э??????????????????2?·??????????????????????????????????????????????130,543???????????41.7%?????????11.2%??
?ù??????2????????????????????222,639??????2013???211,716????????5.2%??
??2???????????????????У?115,600???????????????59.23%????14,900??????????????23.59%??
???6000??????????Ч???????????????豸???????????????豸?????????????????????????????????????????????????????????????е??... |
| http://m.zebwoc.cn/shownewsX.asp?id=4181 - 2024/8/11 10:08:52 - |
| ????????????????????г????????μ? |
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????????????????????г????????μ?
??????????????(HRB400)??????16-25mm???????3020-3060?/???20?;??8-10mm?????3160-3200?/???10???
????????Q235B????3.0mm*1500mm ??????/???/?????????3520?/??;5.5-11.5mm*1500mm????????????????????3370-3400?/????10???
????????1.0mm???????4110?/??;1.5mm??????????4010?/??;3.0mm??????屨????4730?/??;?????棬??1.0mm???????C???... |
| http://m.zebwoc.cn/shownewsX.asp?id=4180 - 2024/8/9 10:37:48 - |
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