?????????-???N80??????-???????J55????????? 
API-5CT??????
??????J55/k55??N80/L80??P110 
??б????API SPEC 5CT 
??????????????????????? 
???Χ????48.3-339.73??3.68-13.7 
 
| 
 ?????? 
Size 
Desination  | 
 ???????? 
Weight Desination  | 
 ?? 
Outside Diameter  | 
 ??? 
Wall Thickness  |  
| 
 ????? 
T&C Non-Upset  | 
 in  | 
 mm  | 
 in  | 
 mm  |  
| 
 1.900  | 
 2.75  | 
 1.900  | 
 48.3  | 
 0.145  | 
 3.68  |  
| 
 2 3/8  | 
 4.00  | 
 2.375  | 
 60.3  | 
 0.167  | 
 4.24  |  
| 
 4.00  | 
 0.190  | 
 4.83  |  
| 
 5.80  | 
 0.254  | 
 6.45  |  
| 
 6.60  | 
 0.259  | 
 7.49  |  
| 
 7.35  | 
 0.336  | 
 8.53  |  
| 
 2 7/8  | 
 6.40  | 
 2.875  | 
 73.02  | 
 0.217  | 
 5.51  |  
| 
 7.80  | 
 0.276  | 
 7.01  |  
| 
 8.60  | 
 0.308  | 
 7.82  |  
| 
 9.35  | 
 0.340  | 
 8.64  |  
| 
 10.50  | 
 0.392  | 
 9.96  |  
| 
 11.50  | 
 0.440  | 
 11.18  |  
| 
 3 1/2  | 
 7.70  | 
 3.500  | 
 88.9  | 
 0.216  | 
 5.49  |  
| 
 9.20  | 
 0.254  | 
 6.45  |  
| 
 10.20  | 
 0.289  | 
 7.34  |  
| 
 12.70  | 
 0.375  | 
 9.52  |  
| 
 14.30  | 
 0.430  | 
 10.92  |  
| 
 15.50  | 
 0.476  | 
 12.09  |  
| 
 17.00  | 
 0.530  | 
 13.46  |  
| 
 4  | 
 9.50 
-  | 
 4.00  | 
 101.6  | 
 0.226  | 
 5.74  |  
| 
 4.00  | 
 0.262  | 
 6.65  |  
| 
 4 1/2  | 
 12.60  | 
 4.500  | 
 114.3  | 
 0.271  | 
 6.88  |  
| 
 15.20  | 
 0.337  | 
 8.56  |  
| 
 17.00  | 
 0.380  | 
 9.65  |  
| 
 18.90  | 
 0.430  | 
 10.92  |  
| 
 21.50  | 
 0.500  | 
 12.70  |  
| 
 23.70  | 
 0.560  | 
 14.22  |  
| 
 26.10  | 
 0.630  | 
 16.00  |   
  
 
| 
 ?????? 
Size 
Desination  | 
 ???????? 
Weight Desination  | 
 ?? 
Outside Diameter  | 
 ??? 
Wall Thickness  |  
| 
 ????? 
T&C Non-Upset  | 
 in  | 
 mm  | 
 in  | 
 mm  |  
| 
 4 1/2  | 
 9.50  | 
 4.500  | 
 114.3  | 
 0.205  | 
 5.21  |  
| 
 10.50  | 
 0.224  | 
 5.69  |  
| 
 11.60  | 
 0.250  | 
 6.35  |  
| 
 13.50  | 
 0.290  | 
 7.37  |  
| 
 15.10  | 
 0.337  | 
 8.56  |  
| 
 5  | 
 11.50  | 
 5.00  | 
 127.00  | 
 0.220  | 
 5.59  |  
| 
 13.00  | 
 0.253  | 
 6.43  |  
| 
 15.00  | 
 0.296  | 
 7.52  |  
| 
 18.00  | 
 0.362  | 
 9.19  |  
| 
 21.40.  | 
 0.437  | 
 11.10  |  
| 
 23.20  | 
 0.478  | 
 12.14  |  
| 
 24.10  | 
 0.500  | 
 12.70  |  
| 
 5 1/2  | 
 14.00  | 
 5.500  | 
 139.7  | 
 0.244  | 
 6.20  |  
| 
 15.50  | 
 0.275  | 
 6.98  |  
| 
 17.00  | 
 0.304  | 
 7.72  |  
| 
 20.00  | 
 0.361  | 
 9.17  |  
| 
 23.00  | 
 0.415  | 
 10.54  |  
| 
 6 5/8  | 
 20.00  | 
 6.625  | 
 168.28  | 
 0.288  | 
 7.32  |  
| 
 24.00  | 
 0.352  | 
 8.94  |  
| 
 28.00  | 
 0.417  | 
 10.59  |  
| 
 32.00  | 
 0.475  | 
 12.06  |  
| 
 7  | 
 17.00  | 
 7.00  | 
 177.80  | 
 0.231  | 
 5.87  |  
| 
 20.00  | 
 0.272  | 
 6.91  |  
| 
 23.00  | 
 0.317  | 
 8.05  |  
| 
 26.00  | 
 0.362  | 
 9.19  |  
| 
 29.00  | 
 0.408  | 
 10.36  |  
| 
 32.00  | 
 0.453  | 
 11.51  |  
| 
 35.00  | 
 0.498  | 
 12.65  |  
| 
 38.00  | 
 0.540  | 
 13.72  |   
??????????????????
????27MnCrV??????TP110T??????????????????????????TP110T??????????????29CrMo44??26CrMo4?????????????27MnCrV???н????Mo?????????????????????????????????????????廯????????????27MnCrV??????????????????????????????????????? 
????????????????????????????????????????????????????????????′?????????????????????′???????????????????廯????Ч??????к????????????????????????????????????豸?????????????????????? 
????27MnCrV???AC1=736?棬AC3=810?棬???′????????????740-810????????????′???????????780?棬?????????????15min?????????????630?棬????????????50min?????????′?????+?????????????????????δ???????????????д??????????????????????????? 
?????????′?????????????С???????????????С???????Σ???????????????????????????????????????????????????????????? 
???ù?????????????????????????????????????????????????????Rt0.6??820-860MPa?????????Rm??910-940MPa?????????Akv??65-85J??????????100%????????????27MnCrV?????????????????????????????????????????′???????????????б?????′???????????÷????? 
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??... 
                      ???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777 
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