1. Q: Vim li cas cov phab ntsa tuab yog qhov tseem ceeb, thiab cov kav dej seamless ua li cas?
A:Cov phab ntsa tuab zoo ib yam ua kom lub zog tsis sib xws thiab lub siab ntim. Thaum cov kav dej seamless feem ntau muaj qhov sib xws zoo, lawv tuaj yeem muaj ntau qhov sib txawv (variation ntawm phab ntsa tuab nyob ib ncig ntawm lub voj voog) piv rau siab -cov kav dej zoo, uas yog qhov tseem ceeb soj ntsuam.
2. Q: Qhov txawv ntawm "Kub Tiav" thiab "Cold Drawn" seamless yeeb nkab yog dab tsi?
A: Kub Tiav lawmCov kav dej yog tsim los ntawm qhov kub thiab txias thiab tau txhim kho ductility thiab ib qho kev sib txuam microstructure.Txias DrawnCov kav dej tau ua tiav nyob rau hauv chav tsev kub, uas ua rau kom nruj dua qhov ntev ntev, ua kom lub ntsej muag smoother, thiab muaj zog ntxiv los ntawm kev ua kom tawv tawv.
3. Q: Dab tsi yog cov qib carbon steel siv rau seamless kav?
A:Cov qib feem ntau suav nrog ASTM A106 Qib B (rau qhov kub siab), API 5L Qib B (rau cov kav dej), ASTM A53 Qib B (kev siv dav), thiab qib carbon steel xws li 1020, 1045, uas qhia cov ntsiab lus carbon (piv txwv li, 1045 muaj ~ 0.45% carbon).
4. Q: Dab tsi yog hom kev ua tsis tiav rau cov pa roj carbon seamless hauv kev pabcuam?
A:Cov hom tsis ua haujlwm feem ntau suav nrog sab hauv / sab nrauv corrosion, yaig (tshwj xeeb tshaj yog los ntawm cov xuab zeb hauv cov roj & roj), pitting, thiab tawg vim hydrogen embrittlement lossis kev ntxhov siab corrosion tawg hauv qhov chaw hnyav.
5. Q: Cov ntsiab lus carbon cuam tshuam rau cov yeeb nkab li cas?
A:Cov ntsiab lus carbon ntau dua ua rau lub zog tensile thiab hardness tab sis txo qis ductility thiab weldability. Tsawg- carbon steels (piv txwv li, 1020) yog ntau dua ductile thiab yooj yim rau welding, thaum nruab nrab - carbon steels (xws li, 1045) muaj zog dua tab sis nyuaj rau weld.
