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550MPa qib qis kub steel hlau hmoov hom flux cored hlau, nrog kev ua haujlwm siab, yuav luag tsis muaj slag, haum rau txuas hniav, chaw nres nkoj, tshuab, nkoj tsim, offshore platforms thiab lwm yam vuam
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Tsawg-alloy steels ER80S-G Khoom siv hlau Vuam accessories
Lub ntsiab tivthaiv yog 1.25Cr-0.5Mo, qib 550MPa, txhim kho Mn cov ntsiab lus, thiab tsim nyog rau lub hwj chim chaw nres tsheb dej phab ntsa, chav kav dej, cov hlab ntsha siab, thiab lwm yam.
