Cov khoom tshiab kawg ntawm 18 nti SCH40ASTM A53 Qib B ERW cov kav hlautau dhau qhov kev sim siab uas ua los ntawm lub chaw soj nstuam thib peb.
Thaum lub sijhawm tshuaj xyuas no, peb tau ua ntau qhov kev ntsuam xyuas kev ua haujlwm tseem ceeb los xyuas kom meej tias cov kav hlau ASTM A53 Qib B ERW muaj zog thiab ntseeg tau. Hauv qab no yog cov yeeb yaj kiab kaw tseg uas piav qhia txog cov kev cai thiab cov txheej txheem ntawm kev sim flattening thiab kev sim tensile.
Qhov kev sim ua kom tiaj tiaj yog muab faib ua peb kauj ruam los sim qhov kev tiv thaiv ntawm cov yeeb nkab sib txawv.
1. Kauj ruam thawj zaugQhov no yog kev sim rau qhov ductility ntawm lub vuam. Yuav tsum tsis muaj qhov tawg lossis tawg ntawm sab hauv lossis sab nraud ntawm qhov vuam ua ntej qhov kev ncua deb ntawm cov phaj raug txo kom tsawg dua ob feem peb ntawm qhov txoj kab uas hla sab nraud ntawm cov yeeb nkab.
2. Hauv kauj ruam thib ob, qhov kev ua kom tiaj tiaj yuav tsum txuas ntxiv mus ua qhov kev sim rau qhov ductility ntawm qhov vuam. Thaum lub sijhawm no, yuav tsum tsis muaj qhov tawg lossis tawg ntawm sab hauv lossis sab nraud ntawm qhov vuam, ua ntej qhov kev ncua deb ntawm cov phaj raug txo kom tsawg dua ib feem peb ntawm qhov txoj kab uas hla sab nraud ntawm cov yeeb nkab, tab sis tsis tsawg dua tsib npaug ntawm qhov tuab ntawm phab ntsa ntawm cov yeeb nkab.
3. Thaum lub sijhawm thib peb, uas yog kev sim rau kev ruaj khov, qhov kev ua kom tiaj tus yuav tsum txuas ntxiv mus txog thaum cov qauv kuaj tawg lossis cov phab ntsa sib txawv ntawm cov qauv kuaj ntsib. Cov pov thawj ntawm cov khoom laminated lossis tsis ruaj khov lossis ntawm qhov vuam tsis tiav uas tau pom los ntawm kev sim ua kom tiaj tus yuav yog qhov ua rau tsis lees txais.
Cov yeeb yaj kiab hauv qab no qhia txog kauj ruam thib ob ntawm kev sim ua kom tiaj tus.
Kev kuaj tensile yog qhov kev sim tseem ceeb hauv cov txheej txheem tshuaj xyuas cov yeeb nkab hlau, uas muaj peev xwm kuaj xyuas lub zog tensile thiab ductility ntawm cov yeeb nkab. Rau ASTM A53 Qib B ERW cov yeeb nkab hlau, lub zog tensile tsawg kawg nkaus xav tau yog 415 MPa, thiab lub zog tso zis tsawg kawg nkaus yog 240 MPa.
Hauv qab no yog cov yeeb yaj kiab sim ntawm qhov kev sim tensile:
Ua ib tug kws tshaj lij thiab txhim khu kev qha cov yeeb nkab xa khoom hauv Suav teb,Botop Hlautau cog lus tias yuav muab cov khoom siv yeeb nkab zoo thiab pheej yig rau cov neeg siv khoom, kom ntseeg tau tias txhua lub yeeb nkab tawm hauv peb lub Hoobkas ua tau raws li cov qauv tsim nyog.
Thov koj xav tiv tauj peb txhua lub sijhawm. Botop Steel yuav zoo siab pab koj.
Lub sijhawm tshaj tawm: Lub Rau Hli-04-2025