· The shell of the mill must be made of welded steel plate elements with the following mechanical characteristics :: [1 b# R% V+ Y9 L V z7 f9 |$ h
$ S0 B! ~6 p& W% K* K
Rm ³ 360 MPa. 3 Z$ }" k" k$ o& v' BRe ³ 225 MPa. ) V9 W+ w4 k9 L; O, QA% > 22.+ F0 ^" |. C$ L g6 Y0 C
2 ^! ~* }: `; i+ n( O# BFor example, the steels that respect these values are as follows : 7 v) e/ u3 P5 C 3 e: l7 \" E8 w9 Y" x2 z! Z- WStE 255 : DIN 17 102 Mat 1.0462 $ n) S3 H: `( x# }3 f- A42CP or P265 GH : EN 10028-2 (92) # m/ r" q+ S1 D# o; ^0 X1 @ - H II : DIN 17 155 Mat 1.0425