Hauv cov haujlwm tsim lub hauv paus thiab kev tsim kho lub hauv paus tob, kev xaiv qhov loj ntawm cov yeeb nkab hlau cuam tshuam ncaj qha rau lub peev xwm ntawm cov qauv thiab kev nyab xeeb ntawm kev tsim kho. ASTM A252 Qhov Loj Yeeb Nkab (ASTM A252 tus qauv rau cov yeeb nkab hlau) muab cov lus qhia meej rau cov kws ua haujlwm, kom ntseeg tau tias kev xaiv yog raws li cov pov thawj ruaj khov thiab qhov zoo tuaj yeem tswj tau. Tsab xov xwm no yuav pab koj nkag siab txog cov qauv txheem thiab tshawb nrhiav yuav ua li cas tswj cov khoom zoo los ntawm qhov chaw.
Cov lus qhia tshwj xeeb rauASTM A252 cov yeeb nkab hlau
Tus qauv ASTM A252 suav nrog cov yeeb nkab carbon steel uas siv rau hauv cov phiaj xwm tsim cov hauv paus, muab faib ua ob hom: cov yeeb nkab hlau tsis muaj seamless thiab cov kev tsim kho welded. Cov qauv kev qhia tshwj xeeb feem ntau suav nrog:
Txoj kab uas hla nominal: txij li 6 nti (168.3mm) mus txog 60 nti (1524mm), uas npog tau cov kev xav tau ntawm cov tsev me thiab nruab nrab thiab cov tsev loj.
Phab ntsa tuab series: Muaj ntau yam kev qhia tshwj xeeb suav nrog phab ntsa tuab txheem (STD), phab ntsa tuab ntxiv (XS), thiab phab ntsa tuab ob npaug ntxiv (XXS)
Kev kho qhov ntev: Qhov ntev ib leeg yog txij li 6 meters txog 12 meters. Kev kho qhov ntev kuj tseem tuaj yeem muab tau raws li qhov yuav tsum tau ua ntawm engineering.
Kev tsim qauv txheem ntawm cov noQhov Loj ntawm Cov Yeeb Nkab Astm A252ua rau cov engineers xaiv tau hom tsim nyog raws li cov xwm txheej geological thiab cov kev xav tau ntawm kev thauj khoom, thaum ua kom cov nqi khoom siv zoo dua thaum ua kom muaj kev nyab xeeb.
Cov txheej txheem tsim cov yeeb nkab thiab cov khoom siv uas yuav tsum tau ua
Tus qauv ASTM A252 teeb tsa cov kev cai nruj rau cov ntaub ntawv siv rau hauv cov yeeb nkab fittings. Cov yeeb nkab fittings tuaj yeem ua los ntawm cov khoom forged, bars, phaj, lossis seamless thiab fusion-welded tubular khoom (welded yeeb nkab), tab sis cov ntaub ntawv yuav tsum tau tua hlau kom ntseeg tau tias qhov compact ntawm cov qauv. Cov txheej txheem tsim tuaj yeem xaiv los ntawm hammer forging, stamping, extrusion, txias kos duab, dov, khoov, vuam, machining, thiab lwm txoj kev, lossis kev sib xyaw ua ke ntawm lawv.
Tus qauv tshwj xeeb hais tias cov txheej txheem tsim yuav tsum tsis txhob ua rau muaj qhov tsis zoo hauv cov khoom. Rau cov yeeb nkab uas tsim ntawm qhov kub siab, qhov txias yuav tsum tau tswj hwm nruj me ntsis - lawv yuav tsum tau txias kom qis dua qhov kub tseem ceeb hauv qab cov xwm txheej tsim nyog, thiab qhov txias yuav tsum tsis txhob nrawm dua li qhov txias ntuj hauv huab cua ntsiag to kom tiv thaiv cov nqaij puas tsuaj los ntawm kev txias sai.
Kev Tshuaj Xyuas Nruj: Kev Paub Zoo Los Ntawm Lub Hoobkas Mus Rau Qhov Chaw Tsim Kho
Qhov txhim khu kev qhaASTM A252 Hoobkasyuav tsum tau nruab nrog lub kaw lus tshuaj xyuas tiav. Cov qauv teev tseg tias txhua pawg ntawm cov yeeb nkab yuav tsum dhau los ntawm:
Kev sim tensile: Txhawm rau txheeb xyuas lub zog tawm los, lub zog tensile thiab elongation ntawm cov khoom siv
Kev ntsuam xyuas qhov nyuaj: Xyuas kom tseeb tias qhov nyuaj ntawm cov khoom siv yog nyob rau hauv qhov ntau yam uas tso cai kom tsis txhob tawg vim qhov nyuaj dhau.
Kev sim hydrostatic: Siv qhov siab uas tau teev tseg rau cov yeeb nkab fittings kom paub tseeb tias lawv muaj peev xwm ua tau siab thiab qhov nruj ntawm cov welds.
Kev xaiv cov Hoobkas Astm A252 uas muaj kev paub dhau los txhais tau tias tsis yog tsuas yog tau txais cov khoom lag luam uas ua tau raws li cov qauv loj xwb, tab sis kuj tau txais kev cog lus zoo uas tau dhau los ntawm ntau qhov kev sim. Cov chaw tsim khoom ib txwm muaj peev xwm muab cov ntawv qhia kev xeem tiav thiab cov ntaub ntawv taug qab zoo, muab lub hauv paus ruaj khov rau kev nyab xeeb thiab kev ntseeg siab ntawm cov haujlwm hauv paus.
Lub sijhawm tshaj tawm: Lub Peb Hlis-13-2026