Alloy Steel Yeeb Nkab, ASTM A335 Yeeb, P5 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.
ASTM A335 yog tus qauv tshwj xeeb rau cov yeeb nkab ferritic ferritic alloy steel yeeb nkab rau kev pab kub siab. Covers server levels: P1, P2, P5, P5b, P5c, P9, P11, P12, P15, P21, P22, P23, P91, P92, P122, of which P5, P9, P11, P22, P91, P92 are used in practice the most extensive. Qhov kev txiav txim siab tshwj xeeb no Nominal thiab tsawg kawg nkaus phab ntsa chrome-molybdenum (tseem hu ua cr-moly lossis cr-moly) alloy steel kav rau cov ntawv thov kub kub. Cov yeeb nkab xaj kom tsim nyog rau kev siv rau khoov, manstoning thiab zoo sib xws ua haujlwm, thiab fusion vuam. ASTM A335 P11, P22, P22, P91 thiab P91 thiab P91 thiab cov tshuaj lom neeg thiab petrochemical kev lag luam, thaum P5 thiab P5 yog siv hauv cov roj ua kom zoo.
Qhov ntau ntawm cov kab yeeb nkas diameters ntawm A335 uas tuaj yeem kuaj los ntawm txhua txoj kev yuav tsum txwv los ntawm cov kev coj ua ntawm kev coj ua. Cov kev xeem sib txawv mechanical tshuab rau cov kav dej, i.e. transsitudinal los yog kev ntsuam xyuas ntev tensile, farthness lossis dabtsi yog khoov kev xeem, raug nthuav tawm.