The common problems of foamed concrete are bubbling, cracking, collapse, shrinkage, and other phenomena. To treat these phenomena, the proper medicine can be found, and the cause can be effectively solved.…
TC4(Ti6Al4V) alloy is a medium strength α-β type two-phase titanium alloy containing 6% α-stabilizing element AI and 4% β-stabilizing element V.…
Cumulative crude steel output in 2021 global In 2021, global crude steel production was 1.9505 billion tons, up 3.7% year-on-year. According to the official website of the World Steel Association on January 25, the crude steel production of the 64 co…