Rau mating sealing nrog cov iav nyuaj
ASTM A193 B7 Bolts yog tsim kom tau raws li cov neeg muaj kev qhia ntau thiab cov khoom tsim qauv. Ntau dua tshwj xeeb, B7 Alloy Alloy yog qhov kub ntawm qib kawm-193. B7 steel kuj tseem yog chromium molybdenum hlau nrog tsawg kawg tensile lub zog ntawm 125ksi.
Chromium Molybdenum alloy steel lossis chromium molybdenum, crmo yog ib qho hlau sib dhos siv rau cov kev pabcuam kub thiab kub. Txoj kev lag luam chromium molybdenum yog siv nyob rau hauv lub hwj chim tiam thiab petrochemical rau nws tensile lub zog, corrosion tsis kam thiab lub zog kub. Chromium Molybdenum muaj lub zog zoo dua qub dua li cov neeg tsim qauv siv thinner phab ntsa tubing lossis me me uas hla kev los txo qhov hnyav tag nrho.