A fagen hako mai da rijiyar mai, babban juriya na lantarki mai juriya mai walƙiya (wanda ake magana da shi azaman ERW casing) idan aka kwatanta da casing maras kyau yana da daidaito mai girma, ƙarfin walƙiya, hana fitar da babban aiki, da fa'idodin ƙarancin farashi, wanda an yi amfani da shi sosai a ƙasashen waje, kuma an sami sakamako mai kyau.

Halayen casing na ERW (idan aka kwatanta da casing maras sumul)
Madaidaicin girman girman: ERW casing ta amfani da tsarin ƙirar injina bayan gyare-gyare, madaidaiciyar casing maras kyau ta ƙara girmanta (diamita na waje, kauri na bango, zagaye, da sauransu), kuma karkacewar diamita na waje bai wuce ± 0 Matsakaicin .5%. Kamar yadda Nippon Karfe 6244.5 n'un ERW kauri kauri daidaitaccen karkacewar <0.10 niƙa daidai da daidaitaccen casing maras kyau shine 0.41 mil.

Kyakkyawan walƙiya tauri: ERW casing tsarin masana'antu za a iya tabbatar da samun C, S da P abun ciki ne low a cikin bangaren kungiyar da tushe abu na babban ƙarfi, high tauri na weld, da walƙiya tauri sumul hannun riga sabõda haka, hannun riga tube. .

Anti-extrusion da antiknock Properties: babban ƙarfi 30% zuwa 40% idan aka kwatanta da irin wannan API sumul casing, ERW casing anti-extrusion, anti-buga Properties (matsi na ciki) game da 50% mafi girma.

Advanced fasaha, samfurin ingancin iko: ERW hannun riga karfe iko birgima nada, isotropic, 100% mara lalacewa gwaji.

Low cost: idan aka kwatanta da irin wannan casing maras kyau, ERW casing 5% zuwa 10% low cost, high dace, babban mataki na inji da aiki da kai, low makamashi amfani da kuma samar; ERW casing gama samfurin kudi na 93% zuwa 98% , da kuma m casing gama samfurin adadin na 85% zuwa 90%; Kasuwar ERW gabaɗayan zuba jarin aikin ya yi ƙasa da kashi 40 cikin ɗari fiye da aikin casing maras sumul.

Halayen fasaha na ERW casing
(1) Zaɓin kayan albarkatun da aka sarrafa na'urar mirgina, tsananin kulawa da abun ciki na S da P, da daidaitaccen carbon, yawanci W (S) ≤ 0.015%, daidai da carbon ≤ O. 25%. Kuma yin amfani da sinadarai masu ƙara kuzari kamar Nb, V, Ti, da cu inganta taurin ƙarfe don haɓaka walƙiya da juriya na lalata.

(2) M nada bayan gefen milling jiyya, na iya rage walda burrs lalacewa ta hanyar gida overheating da hadawan abu da iskar shaka.

(3) Yadu amfani karkace madauki don ci gaba da samarwa, babu wani yi-zuwa-girma tsari samar lalacewa ta hanyar waldi tsayawar, sakamakon a sake-fara waldi, walda halin yanzu, irin ƙarfin lantarki rashin kwanciyar hankali saboda samfurin ingancin lahani.

(4) Wanda aka saba amfani dashi a cikin zamani na zamani na kawar da tsarin burrs, casing ciki burr tsayi iko 1.14 NLNL.

(5) Matsakaicin matakan walda, gami da ikon shigarwa, kusurwar walda V-dimbin yawa, saurin walda, sarrafa zafin walda. Welding zafin jiki ta high-mita waldi gudun na rufaffiyar madauki ikon iko, sarrafa juzu'i na kasa da ± 5 ℃.

(6) Ƙaddamarwa akan maganin zafi na bayan-weld, ta hanyar maganin zafi na bayan-weld don inganta ƙungiyar da damuwa na ciki na yankin weld.

(7) Yin babban ƙarfi da naúrar ƙima, rage girman madaidaicin gama gari.

(8) Don weld da karfe a matsayin duka-layi ko kashe gwajin da ba a lalata ba, gano lokaci da daidaitattun lahani, don daidaita tsarin samarwa don tabbatar da ingancin samfur.