Vim li cas ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab siv tau nyob rau hauv qis - qhov kub thiab txias?
ASTM A333 Gr.1 ncaj seam welded steel yeeb nkabyog tsim rau qis- qhov kub thiab txias ib puag ncig vim nws yog ua los ntawm qis- carbon steel nrog cov ntsiab lus alloying tshwj xeeb ntxiv. Cov ntsiab lus no ua rau nws zoo heev uas tsis tshua muaj -kub toughness, tiv thaiv brittle puas.
Cov txheej txheem vuam dab tsi feem ntau siv rau ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
RauASTM A333 Gr.1 ncaj seam welded steel yeeb nkab, feem ntau siv vuam txoj kev yog welding tsis kam (ERW) thiab electrofusion vuam (EFW), uas yuav tsum tau ceev faj kom tsis txhob siv cov muab tub lim hlau. Submerged arc welding (SAW) kuj tseem siv rau kev sib txuas ncaj nraim, tab sis feem ntau siv rau cov kav hlau steel nrog cov phab ntsa loj dua.
Dab tsi yog cov khoom tseem ceeb ntawm ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
Lub ntsiab chemical muaj pes tsawg leeg ntawmASTM A333 Gr.1 ncaj seam welded steel yeeb nkabyog carbon (ntau tshaj 0.30%), manganese (0.40{5}}1.06%), phosphorus (ntau tshaj 0.025%), thiab sulfur (ntau tshaj 0.025%). Qhov no yog cov pa roj carbon steel yeeb nkab haum rau qhov chaw qis qis.
Dab tsi yog qhov tseem ceeb ntawm cov cuab yeej ntsuas qhov xav tau rau ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
Cov cuab yeej tseem ceeb mechanical tests rauASTM A333 Gr.1 ncaj seam welded steel yeeb nkabsuav nrog kev sim tensile, kev sim cuam tshuam, kev sim hydrostatic, thiab flattening/bending/hardness testing. Lwm qhov yuav tsum tau muaj xws li tshuaj lom neeg muaj pes tsawg leeg thiab tshuaj xyuas qhov chaw / qhov ntev.
Dab tsi yog qhov tsawg kawg nkaus ua haujlwm kub rau ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
Yam tsawg kawg nkaus ua haujlwm kub rauASTM A333 Qib 1 steel yeeb nkabyog -50℃F (-45 degree), uas yog qhov kub ntawm qhov uas nws yuav tsum tau tiv thaiv qhov kev ntsuam xyuas.
