Thickness of ruling section tR
|
|||||
Diameter in mm
|
tR ≤ 100mm
|
100< tR ≤250mm
|
250< tR ≤500mm
|
500< tR ≤1000mm
|
|
Re min (N/mm2)
|
340
|
310
|
275
|
260
|
|
Rm min (N/mm2)
|
670
|
650
|
630
|
620
|
|
A % min.
|
l-longitudinal
|
11
|
11
|
11
|
10
|
tr -transverse
|
-
|
8
|
8
|
7
|
|
KV min * (J)
|
l-longitudinal
|
-
|
-
|
-
|
-
|
tr -transverse
|
-
|
-
|
-
|
-
|
Source:
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