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| http://www.zebwoc.cn/shownewsX.asp?id=2679 - 2020/7/9 14:26:44 - |
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39.95
41.70
43.40
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| http://www.zebwoc.cn/shownewsX.asp?id=2678 - 2020/7/8 14:55:40 - |
| ????20cr???????? ?????????? ????DN800????? |
| ????20cr???????????20Cr?????????п???棬??????????????????????????????????????ú????????Щ?????????????????????????????俹??????????????????20Cr????????????y??????????????????????е???????????????????????????г???????????????????????????20Cr?????????????????????????????????????????????????????????????????????????????????????????20Cr??????????????????????????????????????????????????20Cr??????????????????????????????????????????????????... |
| http://www.zebwoc.cn/shownewsX.asp?id=2677 - 2020/7/7 15:24:36 - |
| ??????????? ????N80?????? ??????????ι? |
| ????????????????????????????????????????????? ???????????????????????????????????????????????????????????????????????????20#??35#??45#??20G??20A??40Mn2??45Mn2??27SiMn??40MnB??20MnVB??20Cr??30Cr??35Cr??40Cr??45Cr??50Cr?? 38CrSi??12CrMo ??20CrMo??35CrMo??42CrMo??12CrMoV??12Cr1MoV??38CrMoAL??50CrV??20CrMnSi??30CrMnSi??35CrMnSi?? 20CrMnTi??30CrMnTi??12CrNi2?? 12CrNi3??1... |
| http://www.zebwoc.cn/shownewsX.asp?id=2676 - 2020/7/6 15:53:32 - |
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| ???16?????????????????????п??? ??????ù???? ????????? ??????ù??????????????????????????????ε??????????????????( h)*???(b)*????(d)???????????硰??160*88*6??????????????160?????????88??????????6?????????????????????????????????????????????????繤16#???????????????????м??????????????????????????a b c ??????????32a# 32b# 32c#??? ????????????????????????????????????????10-63#???????????Э?鷯??????????????????12-55#???????????????... |
| http://www.zebwoc.cn/shownewsX.asp?id=2675 - 2020/7/5 16:22:28 - |
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| ????????????????б??GB5310 ???? ?????ˉ???????GB6479?????????豸?????????GB9948?????????????????ASTM A213 ????Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger TubesASTM A335 ????Seamless Ferritic Alloy-Steel Pipe for High-Temperature ServiceJIS G3458 ????Alloy Steel Pipes (STPA 12/ 20/ 22/ 23/ 24... |
| http://www.zebwoc.cn/shownewsX.asp?id=2674 - 2020/7/4 16:51:24 - |
| ??3???20g????????? ??3???????????? ??3???2520????????? |
| ??3???8163?????????20??Q345??б????GB/T8163-1999???Χ????8-630??1.5-75 ????????????????????????????????????????????????????????????????????????? 8163?????? ?????豸????????????25??683??10-12-14-16-18-20203??32-36-4028??689??8-10-12-14-16-18-20219??6-8-12-16-18-20-2532??6-895??6-8-10-12-14-16-20219??30-4034??6-8102??6-7-8-10-12-14-16-20&nbs... |
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| ???????????????????: ????????????????????????????????????????????????????? A3??????? 45#??????? ????????? ???????? 38CrMoAL??? 60Si2Mn????? 65Mn????? Q345B??? Q345C??? Q345D??? 40Cr??? Q345E??? 20CrMnMo??? 40CrMnMo??? 45Mn2??? 20CrMnTi??? T8????? T10????? 16Mn???&... |
| http://www.zebwoc.cn/shownewsX.asp?id=2672 - 2020/7/2 17:49:16 - |
| ????DN150???? ??????и?? ????DN200??п?? |
| ??????ξ??????????ξ???????????1.????С?? ????2.????????С?????? ????3.??γ?????????????????á? ????4.?????????????? ????5.?????????????????????? ????????????????????????????????????????????????????????????????????????ˉ????????????????????????????????????β???????????????????? ???????????????????????????????????????????????????????β?????????????β??????? ????????????????????Ρ????????ε?????????????????????760mm??????????????? ??β???б??????ε??????????????????????а?... |
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| ??????????????? ?????p11?????? ?????С??????? |
| ?????????????-????????θ???????????????ε?????????????????????????????????????????????????????????????????????????????????????????ν??????????????????????????????????????,????????????????????????????躸????????????????????????壬???????????????????????????????????γ?????壬???????????????????????????????????????????????????????????η?????????????.??????????壬???????????????????????????????????γ?????壬???????????????????????????????????????????????????????????η?????????????.... |
| http://www.zebwoc.cn/shownewsX.asp?id=2670 - 2020/6/30 18:47:08 - |
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