ASTM A672 Longitudinaly Submerged Arc Welded Yeeb Nkab

Taw qhia rau ASTM A672 Longitudinal Submerged Arc Welded Pipe

ASTM A672 steel yeeb nkab yog tus qauv specification rau nruab nrab - kub, siab - siab electrofusion welded steel yeeb nkab. ASTM A672 LSAW steel yeeb nkab yog tsim los siv cov txheej txheem kub- dov thiab tuaj yeem ua raws li tus qauv, quenching, sterilization, thiab tsim nyog rau isothermal kev kho cua sov. LSAW steel yeeb nkab feem ntau yog siv rau ntev - cov kav dej nyob deb thauj cov roj, roj av, thiab cov roj liquefied rau hauv av thiab hauv hiav txwv. Cov tshuaj muaj pes tsawg leeg ntawm ASTM A672 steel yeeb nkab khoom suav nrog: cov ntsiab lus siab tshaj plaws ntawm 0.25%, manganese siab tshaj plaws ntawm 0.98%, molybdenum cov ntsiab lus siab tshaj plaws ntawm 0.64%, thiab cov ntsiab lus siab ntawm silicon ntawm 0.45%. Nws lub zog siab tshaj plaws (MPa) yog 37, thiab nws qhov siab tshaj plaws tensile zog (MPa) yog 65.

ASTM A672 Kev kho cua sov ntawm Longitudinal Submerged Arc Welded Pipes

Tus qauv ASTM A672 tau txiav txim siab tias cov kav dej welded no tau txais kev kho cua sov tag nrho tom qab vuam, feem ntau siv cov txheej txheem normalizing. Lub hom phiaj tseem ceeb yog kom tshem tawm tag nrho cov kev ntxhov siab uas tshwm sim thaum vuam los ntawm cua sov tag nrho cov yeeb nkab lub cev saum nws qhov kub thiab txias thiab tom qab ntawd txias nws uniformly. Cov txheej txheem no kuj tseem ua kom zoo dua cov qauv ntawm cov khoom sib txuas thiab cov cua sov- thaj chaw cuam tshuam, yog li ua kom cov khoom siv kho tshuab (tshwj xeeb yog toughness thiab plasticity) ntawm thaj chaw weld zoo ib yam nrog cov khoom siv hauv paus. Thaum kawg, qhov no ua kom ntseeg tau tias tag nrho cov yeeb nkab steel muaj cov khoom sib xws, ruaj khov, thiab txhim khu kev qha- cov kabmob muaj peev xwm nyob rau hauv nruab nrab- qhov kub thiab txias - cov xwm txheej siab. Cov txheej txheem no yog ib kauj ruam tseem ceeb hauv kev ua kom muaj kev nyab xeeb ntawm cov kav dej siab - siab.

Hais txog peb lub tuam txhab

GNEE STEEL muaj kev nkag siab tob txog kev xav tau ntawm kev lag luam thoob ntiaj teb thiab cov qauv sib txawv, ua rau peb muab cov lus qhia kev xaiv thiab cov ntaub ntawv kev lag luam rau koj. Peb kuj muab qhov kawg-rau- kawg cov kev pabcuam los ntawm kev xaiv lub Hoobkas, kev tshuaj xyuas zoo, kev xa khoom thiab xa tawm mus rau kev ua cov ntaub ntawv, ua kom muaj kev txhawj xeeb-kev pauv dawb thiab ntawm- sijhawm xa khoom.

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