Thaum twg yuav tsum tau siv seam welding?
Seam vuamyuav tsum tau siv thaum nruam, airtight, thiab watertight welds, xws li nyob rau hauv daim ntawv thov xws li roj tank, siab hlab ntsha, thiab radiators.
Dab tsi yog qhov txawv ntawm seam -welded yeeb nkab thiab seamless yeeb nkab?
Qhov txawv tseem ceeb yog qhov ntawdseamless yeeb nkabyog tsim los ntawm kev tho thiab kos ib qho khoom steel billet, yog li tsis muaj weld seam; thaum seam-welded yeeb nkab yog tsim los ntawm dov ib lub tiaj steel ntawv rau hauv ib tug tubular zoo thiab ces welding ib tug kaw weld seam.
Qhov siab tshaj plaws ua haujlwm kub ntawm A333 GR 6 yog dab tsi?
Qhov siab tshaj plaws kev khiav hauj lwm kub ntawmASTM A{0}} qib steelyog kwv yees li 260℃(500℃F), raws li kev siv ntau yam. Txawm hais tias cov khoom siv tshwj xeeb yog tsim los rau cov cheeb tsam cryogenic, nws feem ntau tuaj yeem ua haujlwm mus rau -45℃(-50℃F).
Puas yog A333 steel yeeb nkab yog cov yeeb nkab cryogenic?
Yog lawm,ASTM A333 steel yeeb nkabyog cov yeeb nkab steel yeeb nkab tsim tshwj xeeb rau cryogenic thiab qis- qhov kub thiab txias. Nws yog tsim tshwj xeeb kom muaj qhov zoo toughness thiab cuam tshuam tsis kam ntawm qhov kub thiab txias los tiv thaiv brittle fracture.
Dab tsi yog qhov txawv ntawm ASTM A106 B thiab ASTM A 333 6?
Qhov sib txawv tseem ceeb nyob hauv lawv daim ntawv thov: ASTM A106 Gr. B yog siv nyob rau hauv siab -kub ib puag ncig, thaumASTM A333 Gr . 6yog siv nyob rau hauv qis - ib puag ncig kub thiab yuav tsum tau muaj kev cuam tshuam toughness kuaj.
