Thaum Lub Kaum Ob Hlis 31, 2021, ultra-low kub steel 9Ni steel phaj rau LNG (liquefied natural gas) cia tso tsheb hlau luam tsim los ntawm Hyundai Steel dhau qhov kev soj ntsuam zoo ntawm KOGAS (Korea Natural Gas Corporation).Lub thickness ntawm 9Ni steel phaj yog 6 hli mus rau 45 hli, thiab qhov siab tshaj plaws dav yog 4.5 meters, uas yog tam sim no lub widest nyob rau hauv lub ntiaj teb no.Kev pom zoo ntawm daim ntawv pov thawj no ntxiv txhim kho Hyundai Steel kev lag luam kev sib tw hauv South Kauslim.
Nws tau tshaj tawm tias txhawm rau kom dhau daim ntawv pov thawj no, Hyundai Steel thiab vuam cov chaw tsim khoom Hyundai General Metal Co., Ltd. tau koom tes kom paub qhov chaw ntawm txhua qhov khoom siv vuam.Hyundai Steel tau hais tias thaj chaw ntawm cov khoom siv vuam tuaj yeem txuag tau li 30% ntawm tus nqi piv nrog rau kev siv cov khoom siv txawv teb chaws.
9Ni steel tuab phaj yog cov khoom siv ua haujlwm siab heev uas siv los ua kom muaj kev nyab xeeb ntawm cov dej hauv hiav txwv thiab av LNG cia tso tsheb hlau luam.Nws cov yam ntxwv tseem ceeb yog cov ntsiab lus nickel siab thiab siab purity.Tuav lub zog siab thiab ua haujlwm zoo heev, nws yog ib qho ntawm cov ntaub ntawv tseem ceeb uas siv los tsim cov tank loj LNG.