国精产品一区一区三区,97久久精品无码一区二区,欧美老妇大P毛茸茸,两根黑人粗大噗嗤噗嗤视频

 
????????? ??????????????????>>>>
??????316LVV????
316SS?????????
316LVV??????
316LVV?????????
??????316LVV??????
316SS??????
316LVV??????
316LVV?????????
316LVV?????
316SS?????????
316LVV??????
316LVV?????????
????????? ???...
????6*1С???????????&...
GB3087?????ˉ??-????...
   ?????λ?????? >> ????? >>  ?????? >> ?????????-???N80??????-???????J55?????????
  
???????
112912185916
????????
?????????-???N80??????-???????J55?????????
?橈????
339.7*13.7
????????
??????0510-88268136
??????
??????
 
    ?? ? ? ??

?????????-???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

  • ?????????? ?????????-??????????????????-???????????????

  • ?????????? ?????????-N80??????-????????????????
  • ??????????
  • ???????3683  ??????2011/11/29 ?????????? ???????

    ??????? | ????? | ?????? | ??ˉ????? | ??????? | ?????? | ?????? | ??????? | ???????? | ??????? | ????????   ?????   Sitemap
    ?????????316L?V????????316LVV????????316SS?????????????????316LVV?????????????????
    ?綽??0510-88264321??88223334?????棺0510-88223334???????13967282625??18921237777  ??????
    sitemap Copyright ® ???????????????? ???:??????????????????????·66??
    ????

    ??????

    • ???1 ??????????????
    • ?????18921237777