API 5L GrB Diamedr Mawr Pibell Dur Carbon Iselyn cael ei weithgynhyrchu o ddur carbon o ansawdd uchel neu biledau dur aloi isel trwy brosesau rholio poeth neu dynnu oer i ffurfio strwythur tiwbaidd di-dor. Rhaid i'w gyfansoddiad cemegol fodloni gofynion megis C Llai na neu'n hafal i 0.28%, Mn Llai na neu'n hafal i 1.20%, gyda chryfder cynnyrch lleiaf o 241 MPaa chryfder tynnol yn amrywio rhwng 413-517 MPa. Mae'r dyluniad cyfansoddiad hwn yn sicrhau cryfder wrth gynnal weldadwyedd trwy reoli'r hyn sy'n cyfateb i garbon (yn nodweddiadol Llai na neu'n hafal i 0.43%).
Mae GNEE Group yn cyflogi llinell gynhyrchu proses lawn gan gynnwys biled crwn castio parhaus, gwresogi ffwrnais cylch, tyllu, rholio parhaus, sizing, oeri, sythu, a phrofion annistrywiol. Mae'r broses rolio poeth yn mireinio strwythur grawn, gan wella caledwch tymheredd isel y bibell.
O'i gymharu â phibellau dur wedi'u weldio, mae'r strwythur di-dor yn dileu pwynt gwan posibl welds, gan gynnig dibynadwyedd uwch mewn amgylcheddau pwysedd uchel (pwysau gweithio cyffredin: 4-8 MPa) a chyfryngau cyrydol. Ansawdd uchelAPI 5L GrBMae pibellau hefyd yn arddangos straen sulfide cracio cyrydiad (SSCC) ymwrthedd, sy'n hanfodol ar gyfer datblygu maes nwy sur.
Manyleb
| CYNNYRCH | API 5L Gr B Diamedr Mawr Pibellau Dur Carbon Isel |
| Deunydd | ST52, ST35, ST42, ST45, X42, X46, X52, X56, X60, X65, X70 |
| Safonol | API SPEC 5L, ASTM A 53M, ASTM A 106M, |
| Arwyneb | Paent du, farnais, olew, galfanedig |
| Hyd Pibell | Hyd sefydlog, hyd ar hap neu yn ôl yr angen |
| Diwedd Pibau | Diwedd Plaen, Diwedd Beveled |
| Amddiffynnydd Diwedd | 1. Capiau plastig (OD bach) 2. Amddiffynnydd haearn (OD mawr) |
| Cais | Pibell hylif, pibell olew, pibell nwy, pibell strwythur, tiwbiau boeler |
| Prawf | Dadansoddiad Cydran Cemegol, Priodweddau Mecanyddol, Priodweddau Technegol, Archwiliad Maint Allanol, Prawf Hydro statig, Prawf Pelydr-X. |
| Cynhyrchiant | 20000 tunnell y mis |
| Gorchymyn Min | 10 tunnell |
| Sylw | Dyluniad arbennig ar gael yn unol â'r gofyniad |
|
|
Trwch Wal Enwol mm |
|||||||||||||||
|
5.0 |
5.5 |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
18.0 |
20.0 |
22.0 |
|
|
273 |
33.04 |
36.28 |
39.51 |
45.92 |
||||||||||||
|
323.9 |
39.32 |
43.18 |
47.04 |
54.70 |
62.32 |
69.89 |
||||||||||
|
(325) |
39.46 |
43.33 |
47.26 |
54.90 |
62.54 |
70.13 |
||||||||||
|
355.6 |
43.23 |
47.48 |
51.73 |
60.18 |
68.57 |
76.92 |
||||||||||
|
(377) |
45.88 |
50.39 |
54.89 |
63.87 |
72.80 |
81.67 |
||||||||||
|
406.4 |
49.44 |
54.32 |
59.24 |
68.94 |
78.60 |
88.20 |
97.75 |
|||||||||
|
(426) |
51.91 |
57.03 |
62.14 |
72.33 |
82.46 |
92.55 |
102.59 |
|||||||||
|
457 |
55.73 |
61.24 |
66.73 |
77.69 |
88.58 |
99.43 |
110.23 |
120.98 |
131.60 |
142.34 |
||||||
|
508 |
74.28 |
86.48 |
98.64 |
110.75 |
122.81 |
134.82 |
146.78 |
158.69 |
||||||||
|
(529) |
77.38 |
90.11 |
102.78 |
115.41 |
127.99 |
140.51 |
152.99 |
165.42 |
||||||||
|
(559) |
81.82 |
95.29 |
108.70 |
122.07 |
135.38 |
148.65 |
161.87 |
175.04 |
||||||||
|
610 |
89.37 |
104.09 |
118.76 |
133.39 |
147.96 |
162.48 |
176.96 |
191.39 |
||||||||
|
(630) |
92.33 |
107.54 |
122.71 |
137.82 |
152.89 |
167.91 |
182.88 |
197.80 |
||||||||
|
(660) |
96.77 |
112.72 |
128.63 |
144.48 |
160.29 |
176.05 |
191.76 |
207.42 |
||||||||
|
711 |
104.31 |
121.52 |
138.69 |
155.80 |
172.87 |
189.88 |
206.85 |
223.76 |
||||||||
|
(720) |
105.64 |
123.08 |
140.46 |
157.80 |
175.09 |
192.32 |
209.51 |
226.65 |
||||||||
|
(762) |
130.33 |
148.75 |
167.12 |
185.44 |
203.72 |
221.94 |
240.11 |
258.24 |
||||||||
|
813 |
139.13 |
158.81 |
178.44 |
198.02 |
217.55 |
237.03 |
256.46 |
278.88 |
||||||||
|
(820) |
140.34 |
160.19 |
179.99 |
199.75 |
219.45 |
239.10 |
258.71 |
276.26 |
297.77 |
317.23 |
256.01 |
394.58 |
432.96 |
|||
|
914 |
178.74 |
200.06 |
222.93 |
244.95 |
266.92 |
288.84 |
310.72 |
332.54 |
354.31 |
397.74 |
440.95 |
483.96 |
||||
|
(920) |
179.92 |
202.19 |
224.41 |
246.58 |
268.70 |
290.77 |
312.79 |
334.76 |
356.68 |
400.40 |
443.91 |
486.13 |
||||
|
1016 |
198.86 |
223.49 |
248.08 |
272.62 |
297.10 |
321.54 |
345.93 |
370.27 |
394.56 |
443.02 |
491.26 |
539.30 |
||||
|
(1020) |
199.65 |
224.38 |
249.07 |
273.70 |
298.39 |
322.82 |
347.31 |
371.75 |
396.14 |
44.79 |
493.23 |
541.47 |
||||
|
1220 |
296.39 |
327.95 |
357.47 |
386.94 |
416.36 |
445.73 |
475.58 |
533.58 |
591.88 |
649.98 |
||||||
|
1420 |
347.71 |
362.21 |
416.66 |
451.06 |
485.41 |
519.71 |
553.96 |
622.36 |
690.52 |
758.49 |
||||||
|
1620 |
397.03 |
436.46 |
475.84 |
515.17 |
554.46 |
593.60 |
632.87 |
711.14 |
789.17 |
867.00 |
||||||
|
1820 |
446.35 |
490.71 |
535.02 |
579.29 |
623.50 |
667.67 |
711.79 |
799.92 |
887.81 |
975.51 |
||||||
|
2020 |
495.67 |
544.96 |
594.21 |
643.40 |
692.55 |
741.65 |
796.70 |
888.70 |
986.46 |
1084.21 |
||||||
|
2220 |
544.99 |
599.21 |
653.39 |
707.52 |
761.60 |
815.63 |
869.61 |
977.48 |
1085.11 |
1192.53 |
||||||
|
2420 |
594.34 |
635.5 |
712.62 |
771.62 |
830.20 |
889.66 |
948 |
|||||||||
API 5L GRB Diamedr Mawr Pibellau Dur Carbon Isel
