| Nkọwa maka SSAW Steel PIPE | |
| 1.Nha | 1) OD: 219mm-3500mm |
| 2) Mgbidi ọkpụrụkpụ: 5mm-30mm | |
| 3) SCH20, SCH40, STD, wdg | |
| 2. Standard: | ASTM A53, API 5L, EN10219, EN10210, ASTM A252 wdg |
| 3.Material | Q235, Q345, ASTM A53 Gr.B, API5L Gr.B X42 X52 X60 X70 X80, S235JRH, S355J0H wdg |
| 4. Ojiji: | 1) Mmiri mmiri, mmiri, gas, mmanụ, eriri eriri |
| 2) Structure ọkpọkọ, ọkpọkọ piling ewu | |
| 3) Nzu, ụzọ ọkpọkọ | |
| 5.Mkpuchi | 1) Agba 2) Agba ojii (ihe mkpuchi varnish) 3) Galvanized 4) Mmanu 5)PE, 3PE, FBE, Mkpuchi na-eguzogide corrosion, Mkpuchi corrosion |
| 6.Usoro | Spiral welded ígwè anwụrụ |
| 7.Welded Line Ụdị | SSAW |
| 8. Nyocha: | Site na Nnwale Hydraulic, RT, UT ma ọ bụ nyocha nke ndị ọzọ |
| 9.Nnyefe | Akpa, nnukwu ụgbọ mmiri. |
| 10. 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 |
● ọkpọkọ iferi ma ọ bụ mkpuchi Black / Varnish (ahaziri);
● N'efu;
● Ha abụọ na-ejedebe na njedebe njedebe;
● Ọgwụgwụ dị larịị, njedebe bevel;
● Ịka akara.
| 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) |
| Basic kacha nta elongation maka ọnụ mgbidi ọkpụrụkpụ%6 inch (7.9 mm) ma ọ bụ karịa: | |||
| Mgbatị n'ime 8 in. (203.2 mm), nkeji, % | 18 | 14 | ... |
| Mgbatị n'ime inch 2 (50.8 mm), nkeji, % | 30 | 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... |
| A gbakọrọ ọnụ ahịa nkwalite kacha nta | ||||
| Ọkpụrụkpụ mgbidi ọnụ | Mgbatị n'ime inch 2 (50.8 mm), nkeji, % | |||
| n'ime. | mm. | Nkeji 1 | Ọkwa 2 | Nkeji 3 |
| 5/16 (0.312) | 7.9 | 30.00 | 25.00 | 20.00 |
| 9/32 (0.281) | 7.1 | 28.50 | 23.75 | 19.00 |
| 1/4 (0.25) | 6.4 | 27.00 | 22.50 | 18.00 |
| 7/32 (0.219) | 5.6 | 25.50 | 21.25 | 17.00 |
| 3/16 (0.188) | 4.8 | 24.00 | 20.00 | 26.00 |
| 11/6 (0.172) | 4.4 | 23.25 | 19.50 | 15.50 |
| 5/32 (0.156) | 4.0 | 22.50 | 18.75 | 15.00 |
| 9/64 (0.141) | 3.6 | 21.75 | 18.25 | 14.50 |
| 1/8 (0.125) | 3.2 | 21.00 | 17.50 | 14.00 |
| 7/64 (0.109) | 2.8 | 20.25 | 16.75 | 13.50 |
| Tebụl dị n'elu na-enye ụkpụrụ elongation kacha nta agbakọtara maka ọkpụrụkpụ mgbidi aha dị iche iche.Ebe ọkpụrụkpụ mgbidi aha akọwapụtara dị n'etiti na ndị egosiri n'elu, a ga-ekpebi uru elongation kacha nta dị ka ndị a: | ||||
| Ọkwa | ||||
| 1. E=48t+15.00 | ||||
| 2. E=40t+12.50 | ||||
| 3. E=32t+10.00 | ||||
| ebe: | ||||
| E = elongation na 2 in.,%, na | ||||
| T = ọkpụrụkpụ mgbidi ọnụ ọnụ akọwapụtara, na. | ||||
| Dayameta dị n'èzí | Dayameta dị n'èzí nke ikpo ọkpọkọ agaghị adịgasị iche karịa ± 1% site na nke akọwapụtara n'èzí. | ||
| Ọkpụrụkpụ mgbidi | Ọkpụrụkpụ mgbidi n'oge ọ bụla agaghị abụ ihe karịrị 12.5% n'okpuru ọkpụrụkpụ mgbidi aha akọwapụtara. | ||
| Ogologo | A ga-edobe ikpo ọkpọkọ n'otu ogologo enweghị usoro, ogologo abụọ enweghị usoro, ma ọ bụ n'ogologo otu dị ka akọwapụtara n'usoro ịzụrụ, dabere na oke ndị a: | Otu ogologo random | 16 ruo 25ft (4.88 ruo 7.62mm), inch |
| Ogologo okpukpu abụọ enweghị usoro | Ihe karịrị 25ft (7.62m) yana opekempe nke 35ft (10.67m) | ||
| Ogologo uwe | Ogologo dị ka akọwapụtara ya na mgbanwe ekwenyere ±1 in. | ||
| Ibu | A ga-atụle ogologo ọ bụla nke ọkpọkọ ọkpọkọ iche iche na ịdị arọ ya agaghị adịgasị iche karịa 15% karịa ma ọ bụ 5% n'okpuru usoro iwu ya, gbakọọ na-eji ogologo ya na ịdị arọ ya n'ogologo otu nkeji. | ||
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