 ??? 0 ????? 304%B2%BB%D0%E2%B8%D6%B9%DC ?? ??????? ??????????? ?????????? |
| ???????????? ???????????????? ???????????? |
| ??????????????????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/ 2... |
| http://www.zebwoc.cn/shownewsX.asp?id=2329 - 2019/8/1 15:13:24 - |
| ?????п????? ????6?????????? ??????и?? |
| ?????п???????4??*1.81.2??*2.22.5??*2.754??*3.754??*2.01.2??*2.52.5??*3.05??*2.754??*2.21.2??*2.752.5??*3.255??*3.04??*2.31.2??*3.02.5??*3.55??*3.54??*2.51.5??*2.23??*2.55??*3.756??*1.81.5??*2.53??*2.755??*4.06??*2.01.5??*2.753??*3.06??*2.756??*2.21.5??*3.03??*3.256??*3.06??*2.31.5??*3.253??*3.56??*3.56??*2.52??*2.23??*3.756??*3.751??*2.02??*2.... |
| http://www.zebwoc.cn/shownewsX.asp?id=2328 - 2019/7/31 15:42:20 - |
| 219*20mm?????? 219*20??????? 219*20?????? |
| 219*20???????????????????????????????????????????????е????????????????????????????????????????????У????????????????漲??????????????????????????????????????????????????????????????????????????? ???????????????b?? ??????????????????У??????????????????????Fb?????????????????????So??????????????????????????????b??????λ?N/mm2??MPa???????????????????????????μ???????????????????????? ??????У?Fb--???????????????????????N???????? So--??????????????mm2?? ????????????... |
| http://www.zebwoc.cn/shownewsX.asp?id=2327 - 2019/7/30 16:11:16 - |
| ???????????? ??????????????? ???????????? |
| ??????????????и???????????塡????????????????????????????????????????????????????????? ??????????????????ú?????????????????????????????????????????? ????????????????????o???????и???????????? ????1???????????λ?????????????????????????????????????????40Cr?? ????2?????????????????????????????????????????????? ????????????1.5???????? ???????????????????????????????????????????????????????????????????????????1???? ???????????12CrMoV?????12Cr1MoV????????... |
| http://www.zebwoc.cn/shownewsX.asp?id=2326 - 2019/7/29 16:40:12 - |
| ??????35CrMO????? ????????????? ???????????? |
| ???????????????????????? GB/T8162-1999 10-45#??20r??40r 35CrMo??30CrMnSi ???????Σ? ???? ??????????????? GB/T8163-1999 10??20??09MnV??16Mn ???????Σ? ???? ?????ˉ??????? GB5310-1995 20G??15CrMoG??12Cr1MoVG??12CrMoG 10CrMo910??12Cr2MoWVTiB ???????Σ? ???? ???????ˉ???????? GB30... |
| http://www.zebwoc.cn/shownewsX.asp?id=2325 - 2019/7/28 17:09:08 - |
| ?????????? ????ASTM A519 ??? ????????? |
| ??????????????????????????????GB/T14976-2002ASTMA312/A312MGB/T14975-2002JIS G3463GB13296-91DIN2462??????????304??0Cr18Ni9??304L (00Cr19Ni10)321 (1Cr18Ni10Ti)316 (0Cr17Ni12Mo2)316L (00Cr17Ni14Mo2)310S (0Cr25Ni20)309S (0Cr23Ni13)6??1-2 32??3-10 114??5-20 8??1-2 34??3-10 133??5-20 10??1-3 45??3-12 159??5-25 12??1-3 45??3-12 168??5... |
| http://www.zebwoc.cn/shownewsX.asp?id=2324 - 2019/7/28 13:38:04 - |
| ????ASTM A519 ??? ??????????????? ????gb6479????? |
| ??????????ù?(GB6479-2000)????: 20G??16Mn??Q345??б????GB6479-2000???Χ????25-426??6-40??????????????????-40-400?楨????????10-30Ma??????豸???????????????????????????????豸??????????? ?????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??6-7-8-10-1... |
| http://www.zebwoc.cn/shownewsX.asp?id=2323 - 2019/7/27 14:07:00 - |
| ¤????????? ¤????и?? ¤??6?????????? |
| ¤????ξ??????????ξ???????????1.????С?? ????2.????????С?????? ????3.??γ?????????????????á? ????4.?????????????? ????5.?????????????????????? ????????????????????????????????????????????????????????????????????????ˉ????????????????????????????????????β???????????????????? ???????????????????????????????????????????????????????β?????????????β??????? ????????????????????Ρ????????ε?????????????????????760mm??????????????? ??β???б??????ε??????????????????????а?... |
| http://www.zebwoc.cn/shownewsX.asp?id=2322 - 2019/7/26 14:35:56 - |
| ????????-???????-????????-???????? |
| ????????-???????-????????-????????
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2
2.5
3
3.5
4
4.5
5-5.5
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14
9500
9200
9200
9200
15 17
9000
8700
8700
8700
18 19
... |
| http://www.zebwoc.cn/shownewsX.asp?id=2321 - 2019/7/25 15:04:52 - |
| ?????-??????-??????-???????? |
| ?????-??????-??????-???????? ?????-??????
??(????)
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1.5
1.6
1.8
2.0
2.2
2.5
2.8
3.0
3.2
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(21)
0.721
0.767
0.851
0.937
1.02
1.14
1.26
1.33
1.41
22
0.758
0.806
0.895
0.986
1.07
... |
| http://www.zebwoc.cn/shownewsX.asp?id=2320 - 2019/7/24 15:33:48 - |
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