| BAYANI GA BUBUWAN KARFE LSAW | |
| 1. Girma | 1) OD: 355.6mm-1828.8mm |
| 2) Kaurin bango: 8mm-60mm | |
| 3)SCH20,SCH40,STD,XS,SCH80 | |
| 2. Standard: | ASTM A53, API 5L, EN10219, EN10210, ASTM A252, AS1163 da dai sauransu |
| 3.Material | ASTM A53 Gr.B, API 5L Gr.B, X42, X52, X60, X70, X80, S235JR, S355J0H, da dai sauransu |
| 4. Amfani: | 1) low matsa lamba ruwa, ruwa, gas, man, line bututu |
| 2) tsarin bututu, bututu piling yi | |
| 3) shinge, kofa bututu | |
| 5.Shafi | 1) Barci 2) Baƙi Painted (varnish shafi) 3) Galvanized 4) Mai 5) PE, 3PE, FBE, comosion resistant shafi, Anti lalata shafi |
| 6.Technique | A tsaye welded karfe bututu |
| 7. Dubawa: | Tare da Gwajin Hyd Raulic, Eddy Current, RT, UT ko dubawa ta ɓangare na uku |
| 8.Bayarwa | Kwantena, Babban Jirgin ruwa. |
| 9. Game da ingancin Mu: | 1) Babu lalacewa, babu lankwasa 2) ba burrs ko kaifi gefuna kuma babu tarkace 3) Kyauta don mai & alama 4) Duk kaya za a iya bincika ta wani ɓangare na uku dubawa kafin kaya |
Ana amfani da bututu da aka yi oda a ƙarƙashin wannan ƙayyadaddun bayanai don tsari.
Karfe ba zai ƙunshi fiye da 0.050 % phosphorus ba.
Bukatun tensile
| Bukatun tensile | |||
| Darasi na 1 | Darasi na 2 | Darasi na 3 | |
| Ƙarfin ɗamara, min, psi (MPa) | 50000 (345) | 60000 (415) | 66000 (455) |
| Ƙarfin samarwa ko samarwa, min, psi(MPa) | 30000 (205) | 35000 (240) | 45000 (310) |
| Mahimmin ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan kauri na bango % 6 in. (7.9 mm) ko fiye: Tsawaitawa cikin 8 in. (203.2 mm), min, % Tsawaita cikin 2 in. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
| Don kaurin bango mara ƙima ƙasa da % 6 in. (7.9 mm), cirewa daga ƙaramin ƙaƙƙarfan elongation a cikin 2 in. (50.08 mm) ga kowane Vzi - in. (0.8 mm) raguwa a kauri bango mara kyau a ƙasa %6 in. (7.9 mm), a cikin maki kashi | 1.5A | 1.25A | 1.0 A... |
Gwajin Lankwasawa-isasshen tsayin bututu zai tsaya yana lanƙwasa sanyi ta 90° a kusa da madaidaicin silinda.
Gwajin ƙwanƙwasa-ko da yake ba a buƙatar gwaji, bututu zai iya cika buƙatun gwaji na lallashi.
Gwajin hydrostatic-sai dai kamar yadda aka yarda, kowane tsayin bututu za a yi shi da gwajin hydro-static ba tare da yayyo ta bangon bututu ba.
Gwajin lantarki mara lalacewa-a madadin gwajin hydro-static , za a gwada cikakken jikin kowane bututu tare da gwajin lantarki mara lalacewa.inda aka yi gwajin wutar lantarki mara lalacewa, tsayin daka za a yi masa alama da haruffa”NDE”
Gwajin ultrasonic
Gwajin halin yanzu
Gwajin UT
Gwajin RT
Gwajin Hydrostatic
