Ọkpụkpọ ígwè/Tube pilings/Accesories
01
Ọkpụkpọ welded ogologo
Okwu mmalite
Ọkpụkpụ nchara ogologo welded nke a na-ekewakarị dabere n'ihe eji eme ha, ebumnuche ha ji, yana ụkpụrụ ha na-agbaso. Dị ka ọ na-adịkarị, ọkpọkọ ígwè agbatị ogologo nke na-ezo aka n'ụkpụrụ na nhazi ọkwa maka ọkpọkọ nchara nke Submerged-Arc Welded.
Ụkpụrụ ihe:
Longitudinal welded ígwè ọkpọkọ nwere ike nkewa dabere na ihe ha na-mere, dị ka carbon ígwè, igwe anaghị agba nchara, alloy ígwè, wdg Onye ọ bụla ihe ụdị na ya set nke ụkpụrụ na nkọwa.
Ụkpụrụ nrụpụta:
Usoro nrụpụta nke Submerged-Arc Welded Steel Pipes nwere ike ịgbaso ụkpụrụ akọwapụtara nke otu dị ka American Petroleum Institute (API), American Society for Testing and Materials (ASTM), ma ọ bụ ụlọ ọrụ ụkpụrụ mba ma ọ bụ mba ndị ọzọ dị ka ndị a: API. 5L, API 5CT, ASTM 53, EN10217, DIN 2458, IS 3589, GB/T3091, GB/T9711, EN10217, EN10219
Usoro:
LSAW - UO (UOE), RB (RBE), JCO (JCOE)
DSAW - Akụ gbara mmiri okpukpu abụọ
Dayameta: 355.6mm-1626mm
Mgbidi ọkpụrụkpụ: 8-50mm
Ogologo: ruo 12m
Ọkwa igwe:
API 5L: GR B, X42,X46, X56, X60,X65,X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Elu: Fusion bond Epoxy mkpuchi, Coal Tar Epoxy, 3PE, mkpuchi Vanish, mkpuchi bitumen, mkpuchi mmanụ ojii dị ka onye ahịa chọrọ.
Nnwale: Nyocha ihe mejupụtara kemịkalụ, Njirimara arụrụ arụ (ike tensile ikpeazụ, ike mpụta, elongation), Njirimara nka nka (Nnwale ọkụ, Nnwale na-ehulata, Nnwale Nleba, Nnwale Mmetụta), Nnyocha Size Mpụga, Nnwale Hydrostatic, Nnwale X-ray.
Asambodo Nnwale igwe: EN 10204/3.1B
Usoro ngwa: Enwere ike ịhazi ọkpọkọ ogologo welded dabere na ebumnuche ya, dị ka pipeline mmanụ na gas, ngwa nhazi, ma ọ bụ ojiji ụlọ ọrụ izugbe. Jide n'aka na ị ga-ezo aka na ụkpụrụ na nhazi ọkwa dị mkpa maka ihe ị chọrọ, n'ihi na ha nwere ike ịdịgasị iche dabere na ụlọ ọrụ na mpaghara.
Ọkpọkpọ ahịrị API 5L: API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70
Ngwongwo eji eme ihe na ihe mejuputara ogwu
| Ọkwa ígwè | Mpụta ike, min. psi (MPa) | Ike nkwụsịtụ, min. psi (MPa) | Mgbatị n'ime 2 in., min. % |
| GR B | 245 | 415 |  |
| X42 | 290 | 415 | |
| X46 | 320 | 435 | |
| X52 | 360 | 460 | |
| X56 | 390 | 490 | |
| X60 | 415 | 520 | |
| X65 | 450 | 535 | |
| X70 | 485 | 570 |
| Ọkwa ígwè | % site na oke, kacha | ||||
| C | Na | Mn | P | S | |
| GR B | 0.26 | 0.40 | 1.20 | 0,030 | 0,030 |
| X42 | 0.26 | 0.40 | 1.30 | 0,030 | 0,030 |
| X46 | 0.26 | 0.40 | 1.40 | 0,030 | 0,030 |
| X52 | 0.26 | 0.40 | 1.40 | 0,030 | 0,030 |
| X56 | 0.26 | 0.40 | 1.40 | 0,030 | 0,030 |
| X60 | 0.26 | 0.40 | 1.40 | 0,030 | 0,030 |
| X65 | 0.26 | 0.40 | 1.45 | 0,030 | 0,030 |
| X70 | 0.26 | 0.40 | 1.65 | 0,030 | 0,030 |
PIPES Steel dị ka ASTM A53 GR. B:
Ngwongwo eji eme ihe na ihe mejuputara ogwu
| Ọkwa ígwè | Ihe mejupụtara, % | ||||||||
| C | Mn | P | S | Ya na | N'ime | Cr | Mo | N'ime | |
| GR B | 0.30 | 1.20 | 0.05 | 0.05 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Ụlọ ọrụ na akụrụngwa mmepụta
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