| Sunan samfur | Carbon welded Karfe bututu | |
| Dabaru | Welding Resistance Electronic Resistance Welding (ERW);Welding High Frequence (HFW) | |
| Daidaitawa | API5L, BS1387, ASTM A53/A106, EN10219, EN10210, EN10255, JIS G3452, JIS G3454, da dai sauransu | |
| Ingancin kayan abu | Karfe daraja | GR.B,S275JRH,S275JOH,X42,X52,S355J0H |
| Girman | WT | 1.5mm-16mm |
| Diamita na waje | 26.7mm-660mm | |
| Tsawon | 1m-12m ko kamar yadda kuke bukata | |
| Surface | Galvanized, 3PE, zanen, shafi mai, karfe hatimi, da dai sauransu. | |
| Ƙarshe | Ƙarshen ƙarewa, yankan, zaren zaren tare da hada guda biyu, beveled, flange, da dai sauransu. | |
| Dubawa | Tare da Haɗin Sinadari da Gwajin Kayayyakin Injini;Gwajin Hydrostatic, Dimensional and Visual Inspection, Tare da Binciken Mara lalacewa | |
| Takaddun shaida | BV, ISO, CE ko kamar yadda ta abokin ciniki. | |
| Aikace-aikace | yi bututu, tsarin bututu, Greenhouse bututu, Ginin abu tube, Bututun kayan daki, da sauransu | |
| Sharuɗɗan ciniki | FOB, CFR, CIF, CNF. | |
| Sharuɗɗan Biyan kuɗi | T / T, L / C a gani 30% T / T a gaba, ma'auni 70% ya kamata a biya bayan karbar kwafin BL | |
| Loading Port | Tianjin Port | |
Haɗin Gwargwadon Daraja da Kemikal (％)
| Daraja | C | Mn | P≤ | S≤ | Cu | Ni | Cr | Mo | V |
| Nau'in S (bututu mara kyau) | |||||||||
| Darasi A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Darasi B | 0.3 | 1.2 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Gwajin tensile na jikin bututu-Ya kamata a gudanar da gwajin tensile daidai da ISO6892 ko ASTM A370.Ya kamata a yi amfani da samfurori masu tsayi.Sau biyu a kowace naúrar gwaji na bututu tare da rabon faɗaɗa sanyi iri ɗaya abd
Gwajin Lalacewa-Za a yi gwajin ƙwanƙwasa ɗaya akan samfurori daga kowane ƙarshen bututu biyu da aka zaɓa daga kowace kuri'a.
Lankwasawa Gwajin- isasshen tsawon bututu zai tsaya yana lanƙwasa sanyi ta 90° a kusa da madaidaicin silinda.
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, za a yiwa tsayin daka alama da haruffan "NDE"
Gwajin Hydro-static-Kowace bututu za a yi shi da gwajin matsa lamba na hydro-static.
Gwajin X-ray 100% don kabu na weld.
Gwajin ultrasonic.
Gwajin halin yanzu.
ERW karfe bututu a cikin wannan ma'auni shine Don aikace-aikacen injina da matsa lamba kuma ana karɓa don amfanin yau da kullun a cikin tururi, ruwa, gas, da layin iska.Ya dace da waldi, kuma ya dace da samar da ayyukan da suka shafi coiling, lankwasawa, da flanging.
Tashin hankaliAbubuwan bukatu:
|
| Darasi A | Darasi B |
| Ƙarfin ɗamara, min, psi (MPa) | 48000 (330) | 60000 (415) |
| Ƙarfin Haɓaka, min, psi (MPa) | 30000 (205) | 35000 (240) |
Bare bututu, Black / Varnish shafi, tutiya mai rufi da epoxy rufi, da dai sauransu ( musamman);
6" kuma a ƙasa a cikin daure tare da majajjawa auduga guda biyu;
Dukansu sun ƙare tare da masu kare ƙarshen;
Ƙarshen Ƙarshen, Ƙarshen bevel (2 "da sama tare da iyakar bevel, digiri: 30 ~ 35 °), threaded da hada guda biyu;
Alama.
