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· The shell of the mill must be made of welded steel plate elements with the following mechanical characteristics :1 [5 z) n; g/ p: k5 n J, l
p; c; k9 E/ R1 |7 i4 F z
Rm ³ 360 MPa.# c+ h4 N) S, e9 k: h4 x
Re ³ 225 MPa." d; s7 b/ i! P" g6 ~6 a
A% > 22.
4 j9 r; @$ x4 b6 [8 E6 }' ` ' M; k: @& E$ a; s+ e1 G
For example, the steels that respect these values are as follows :; n) V( N+ Y8 c, `6 R8 t
6 J+ z. |- l; n! ?( q, I6 f- WStE 255 : DIN 17 102 Mat 1.0462& B3 g( _8 f/ E2 i# [; P1 T' O
- A42CP or P265 GH : EN 10028-2 (92)# x; u) z( Y- U* @
- H II : DIN 17 155 Mat 1.0425 |
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发表于 2007-2-25 22:54:38
发表于 2007-11-1 17:45:38
