STEEL GRIT;#
GRANULOMETRY: G25 ( SAE-J444/1984); SAE-J827 STEEL, CHEMICAL#
COMPOSITION: C 0,85 TO 1,20 MN 0,60 TO 1,20 SI MIN. 0,40#
CR 0,10 TO 0,30 P MAX. 0,06 S MAX. 0,05 ; MICROVICKERS HARDNESS:#
850 TO 900;MARTENSITIC STRUCTURE OR LOW TEMPERATURE TEMPERING.#
The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.
