Unstayed flat plates and heads
according to AD 2000-Merkblatt B5
Input data
Type of the plate
round plate
elliptic plate
rectangular plate
Construction form
flanged flat end
forged or pressed flat plate
welded into from both sides plate, s≤3·s1
welded into from both sides plate, s>3·s1
bolted, full face gasket, unloaded flat plate
flat plate with stress-relief groove
welded onto, both-side-welded plate, s≤3·s1
welded onto, both-side-welded plate, s>3·s1
simply supported flat plate
welded into from one side plate, s≤3·s1
welded into from one side plate, s>3·s1
partial full-penetrated welded plate, s≤3·s1
partial full-penetrated welded plate, s>3·s1
put before the outer side flat plate
put before the inner side flat plate
(see Sketch)
Design strength value
K
N/mm²
Safety factor
S
Design pressure
p
bar
Effective diameter
D
1
mm
Effective length
e
mm
Effective width
f
mm
Sketch
Calculate
Results
Minimum plate thickness
s
mm
The input data are out of scope, see AD B5 Figure 2
The input data are out of scope, see AD B5 Section 1
The plate thickness is adjusted according to scope, see AD B5 Section 1
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