Tine hunyanzvi hwakanaka, michina yekugadzira yepamusoro, michina yekuyedza yakakwana. Takaunza muchina wekuwelda weLincoln wekuAmerica unotungamira pasi rose, system yekutevera otomatiki ye laser (kupinza kubva kuEngland0, muchina wekuyedza we hydro-static, X-ray, ultrasonic, michina inowedzera (bell and spigot) uye spectrograph (kupinza kubva kuJapan), drop-testing, impact (300 Joules ne minus 60 degrees Celsius), hardness testing, metallurgical microscopy michina nezvimwewo).
Zvigadzirwa zvedu zvinoshandiswa zvakanyanya mumapaipi ePetrileum negasi rechisikigo, Kupisa uye kupa mvura. Kurapa mvura yakasviba, Indasitiri yemakemikari. Chimiro chesimbi, Bhiriji, Kuisa mapuranga, Chiteshi chegungwa uye Indasitiri yemagetsi. Isu tinogona kugadzira pombi yeSSAW pasi peAPI 5L, ASTM A252, GB/T9711.1, GB/T9711.2 standard uye pasi pezvinodiwa nevatengi nesimbi yegiredhi: Gr, A, Gr, B, X42, X100, L245-L485, S290 zvichikwira, SS400 zvichikwira, ST33, ST42, Q235 (A,B,C), Q345 (B,C,D,R) nezvimwewo.
Zvishandiso zvepombi dzakasungirirwa dzakaita searc spiral welded zvinoshandiswa zvakanyanya, kg/m