ASTM A335 P11 SCH40 4 "Alloy Steel Seamless Yeeb Nkab
Alloy Steel yog hlau uas tau sib xws nrog ntau yam ntawm cov ntsiab lus hauv 1.0% thiab 50% los ntawm qhov hnyav los txhim kho nws cov khoom siv. Alloy cov hlau tawg tau tawg rau ob pawg: cov hlau qis thiab cov hlau loj. Qhov sib txawv ntawm ob yog kev sib cav. Smith thiab Hashemi txhais tau qhov sib txawv ntawm 4.0%, thaum degarmo, li al., Txhais tau nws ntawm 8.0%. [1] Feem ntau, cov kab lus \ "alloy steel " yog hais txog tsawg-alloy steels .-- Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Nruj me ntsis kev hais lus, txhua tus steel yog ib qho alloy, tab sis tsis yog txhua tus hlau yog hu ua "Alloy Steel". Cov hlau yooj yim tshaj plaws yog hlau (FE) suav nrog cov pa roj carbon (c) (txog 0.1% rau 1%, nyob ntawm seb puas muaj dab tsi (tshwj tsis yog cov neeg negrigible traces); Cov no yog hu ua cov hlau siv roj carbon. Txawm li cas los xij, lub sij hawm "hlau" yog tus qauv uas yog hais txog cov hlau nrog lwm cov khoom sib txuas ntxiv rau cov pa roj carbon. Ib txwm muaj willoyants suav nrog manganese (npib tsib xee), npib tsib xee, chromium, molybdenum, vanadium, silicon, thiab boron. Tsawg dua cov ubyants suav nrog txhuas, cobalt, cerium, cerium, cerium, cerium, titanium, tungsten, tin, zinc, thiab zirconium.
ASTM A335 GR P91 Seamless yeeb nkab muaj qhov zoo dua yog qhov tseeb, uas nyeg yog tsim nyog rau cov ntawv thov uas yuav tsum muaj qhov ntsuas siab. Kev lag luam petrochemical, roj thiab roj av, cov nroj tsuag roj av, cov nroj tsuag hluav taws xob thiab cov khoom siv feem ntau koom nrog kub siab thiab ntsuas.