Hauv kev lag luam ntawm cov kav dej kev lag luam, cov qauv yog qhov lav qhov zoo. Hnub no, peb yuav qhia koj txog cov qauv tseem ceeb ASTM A139 thiab nthuav qhia cov khoom siv yeeb nkab hlau zoo uas tsim los ntawm cov qauv no.
Txheej txheem cej luam ntawmASTM A139Tus Qauv
ASTM A139 yog "Cov Qauv Txheem rau Cov Kav Hlau Hluav Taws Xob Fusion Welded" uas tau tsim los ntawm American Society for Testing and Materials. Nws tshwj xeeb hais txog cov kav hlau uas tsim los ntawm kev siv cov txheej txheem vuam hluav taws xob fusion. Cov qauv no suav nrog tsib qib ntawm A txog E, feem ntau yog cais raws li qhov tsawg kawg nkaus ntawm cov kav hlau, thiab siv dav hauv qhov chaw siab nruab nrab lossis siab rau kev thauj cov roj, dej, roj, thiab lwm yam kua.
Ua raws li tus qauv ASTM A139Cov Kav Hlau Astmyuav tsum tau ua raws li kev tswj hwm cov txheej txheem tsim khoom nruj thiab kev sim ua haujlwm zoo kom ntseeg tau tias txhua lub yeeb nkab hlau muaj peev xwm thauj khoom ruaj khov thiab qhov zoo ntawm kev vuam.
Cov khoom tshiab raws li ASTM A139
Ua ib lub tuam txhab tsim cov kav hlau kauv hauv Suav teb, Cangzhou Spiral Steel Pipe Group nyuam qhuav tsim cov kav hlau kauv S235 J0 raws li tus qauv ASTM A139. Cov khoom no sawv cev rau peb qhov kev tshawb pom tshiab tshaj plaws hauv kev siv tshuab yeeb nkab hlau.
Cov khoom no siv cov txheej txheem tsim cov yeeb nkab steel kauv siab heev thiab muaj cov txiaj ntsig zoo hauv qab no:
Kev tswj kev hloov pauv sib xws: Cov txheej txheem tsim cov kauv ua kom ntseeg tau tias cov hlau phaj raug rau lub zog sib xws thoob plaws hauv tag nrho cov txheej txheem, zam kev ntxhov siab hauv zos.
Kev txo qis ntawm kev ntxhov siab seem: Kev tswj hwm qhov tseeb ntawm cov qauv tsim ua kom ntseeg tau tias kev ntxhov siab seem hauv cov yeeb nkab hlau raug txo qis, yog li txhim kho kev ruaj khov mus sij hawm ntev ntawm cov khoom.
Qhov zoo ntawm qhov chaw: Kev kho qhov chaw du thiab tsis khawb, txo qhov nyuaj ntawm kev siv tshuaj tiv thaiv xeb tom qab thiab ua kom lub neej ua haujlwm ntev.
Kev lav phib xaub ntawm lub zog ntawm lub tuam txhab
Cangzhou Spiral Steel Pipe Group tau tsim tsa xyoo 1993, nyob hauv Cangzhou, Hebei Xeev. Nws tau dhau los ua lub chaw tsim khoom loj tshaj plaws ntawm cov kav hlau sib ntswg thiab cov khoom siv txheej kav dej hauv Suav teb. Lub tuam txhab npog thaj tsam ntawm 350,000 square meters nrog tag nrho cov cuab tam 68 lab yuan thiab 680 tus neeg ua haujlwm tam sim no. 1.8 Billion RMB ntawm cov khoom tsim tawm txhua xyoo, 400,000 tons ntawm cov kav hlau sib ntswg ib xyoos.
Peb ib txwm coj cov Txheej Txheem Thoob Ntiaj Teb rau Suav Teb Chaw Tsim Khoom tau 30 xyoo. Txhua lub yeeb nkab Astm Steel uas ua tiav cov qauv ASTM A139 AWWA NSC raug rau ntau yam txheej txheem tshuaj xyuas uas muaj kev nruj heev thaum lub sijhawm yuav khoom siv raw kom txog thaum xa khoom kawg.
Kev xaiv cov kav hlau kauv uas ua raws li tus qauv ASTM A139 yog qhov kev txiav txim siab rau kev nyab xeeb, kev ntseeg siab thiab kev ruaj khov. Cangzhou Spiral Steel Pipe Group xav koom tes nrog koj los tsim cov haujlwm kav dej ntev.
Lub sijhawm tshaj tawm: Lub Peb Hlis-05-2026