· The shell of the mill must be made of welded steel plate elements with the following mechanical characteristics : 0 j+ u& F/ o) I) i . A, n. G7 P* L! ?& b. d
Rm ³ 360 MPa.7 N8 l1 Z' P3 ]* X8 z
Re ³ 225 MPa. 3 B0 l5 o) V" gA% > 22.8 V2 E$ L4 z c; L3 y
3 M* i6 b+ t$ j% o ^) QFor example, the steels that respect these values are as follows :% L! z$ R6 n9 m/ c" E
s/ _ _. S% \ B5 ~2 y0 i/ x& [6 H. S- ^- WStE 255 : DIN 17 102 Mat 1.0462 ( ?- z3 {/ m6 e1 j+ S$ k! F+ T- A42CP or P265 GH : EN 10028-2 (92) . e+ ~# ?1 ~$ g - H II : DIN 17 155 Mat 1.0425