Cov Khoom Siv Alloy Steel Astm A333 Qib 3, Qeb 6, Qib 8, Qib 9
Qhov tseem ceeb rau qhov tsis zoo ntawm Alloy Steel F9 (Weld Flash F9 Alloy Steel (AS) F9 Long Weld Neck Flanges tuaj yeem yog Carbide ntawm ib qho kev sib xws xws li titanium.
ASTM A193 B7 Bolts thiab cov studs yog tsim los ntawm Chrome Molybdenum hlau thiab yog quenched thiab tempered (tshav kub kho) los tsim cov khoom siv xav tau (lub zog). Qib B7 yog cov feem ntau siv A193 ntsia liaj qhov rooj hauv kev tsim kho. B7 Threaded Studs thiab lub taub hau luv luv bolts tau yooj yim muaj nyob hauv kev ua lag luam. B7 Bolts bolts feem ntau siv rau yeeb nkab flange sib txuas. Cov bolts no feem ntau yog muag hauv ib qho khoom qab zib uas ua tiav, tab sis feem ntau kub-dip galvanized, ptfe coated, lossis lwm yam kho nrog kev ua kom haum.