Nkọwa maka PIPE ígwè LSAW | |
1.Nha | 1) OD: 355.6mm-1828.8mm |
2) Mgbidi ọkpụrụkpụ: 8mm-60mm | |
3)SCH20,SCH40,STD,XS,SCH80 | |
2. Standard: | ASTM A53, API 5L, EN10219, EN10210, ASTM A252, AS1163 wdg |
3.Material | ASTM A53 Gr.B, API 5L Gr.B, X42, X52, X60, X70, X80, S235JR, S355J0H, wdg |
4. Ojiji: | 1) obere mmiri mmiri, mmiri, gas, mmanụ, eriri eriri |
2) structure ọkpọkọ, ọkpọkọ piling ewu | |
3) nsu, ụzọ ọkpọkọ | |
5.Mkpuchi | 1) Agba 2) Agba ojii (ihe mkpuchi varnish) 3) Galvanized 4) Mmanu 5) PE, 3PE, FBE, mkpuchi na-eguzogide ọgwụ, mkpuchi mgbochi corrosion |
6.Usoro | longitudinal welded ígwè anwụrụ |
7. Nyocha: | Na Hyd raulic Testing, Eddy Current, RT, UT ma ọ bụ nyocha nke ndị ọzọ |
8.Nnyefe | Akpa, nnukwu ụgbọ mmiri. |
9. Banyere Ogo anyị: | 1) Enweghị mmebi, ọ dịghị ehulata 2) ọ dịghị burrs ma ọ bụ nkọ n'ọnụ na ọ dịghị scraps 3) N'efu maka mmanu & akara 4) Enwere ike ịlele ngwongwo niile site na nyocha nke atọ tupu ebupu ya |
A na-eji ọkpọkọ nyere iwu n'okpuru nkọwapụta a maka nhazi.
Nchara agaghị enwe ihe karịrị 0.050% phosphorous.
Chọrọ tensile
Chọrọ tensile | |||
Nkeji 1 | Ọkwa 2 | Nkeji 3 | |
Ike tensile, min, psi (MPa) | 50000 (345) | 60000 (415) | 66000 (455) |
Ike mpụta ma ọ bụ mpụta, min, psi(MPa) | 30000 (205) | 35 000 (240) | 45,000 (310) |
Isi elongation kacha nta maka ọkpụrụkpụ mgbidi ọnụ % 6 in. (7.9 mm) ma ọ bụ karịa: Ogologo na 8 in. (203.2 mm), min,% Elongation na 2 in. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
N'ihi na ọnụ mgbidi ọkpụrụkpụ na-erughị %6 in. (7.9 mm), mwepu si isi kacha nta elongation na 2 in. (50.08 mm) maka onye ọ bụla Vzi - in. (0.8 mm) ibelata ọnụ mgbidi ọkpụrụkpụ n'okpuru %6 na. (7.9 mm), n'ihe pasentị | 1.5A | 1.25A | 1.0A... |
Nnwale ịgbagọ—ogologo ọkpọkọ zuru oke ga-eguzo ka ọ na-ehulata oyi site na 90 Celsius gburugburu ebe obibi cylindrical.
Nnwale na-enwu enwu-ọ bụ ezie na a dịghị achọ nnwale, ọkpọkọ ga-enwe ike imezu ihe ndị a chọrọ nlebara anya.
Nnwale Hydro-static-ma e wezụga dị ka ekwe, onye ọ bụla ogologo ọkpọkọ ga-edobe na hydro-static ule na-enweghị ntapu site ọkpọkọ mgbidi.
Nnwale eletrik anaghị emebi emebi-dị ka ihe ọzọ na hydro-static test, a ga-anwale ahụ zuru oke nke ọ bụla ọkpọkọ na-adịghị emebi emebi eletriki .Ebe a na-eme ule eletrik na-adịghị emebi emebi, ogologo ya ga-eji mkpụrụedemede "NDE" akara.
Nyocha ultrasonic
Nyocha eddy ugbu a