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EN 12209:2003 & EN 15685
Durability shall be classified according to the following grading system:
Grade
Cycles
Neutral salt spray test
A
50.000
no load on latch bolt
B
100.000
no load on latch bolt
C
200.000
no load on latch bolt
D
500.000
no load on latch bolt
F
50.000
10N load on latch bolt
G
100.000
10N load on latch bolt
H
200.000
10N load on latch bolt
L
100.000
25N load on latch bolt
M
200.000
25N load on latch bolt
N
500.000
25N load on latch bolt
R
100.000
50N load on latch bolt
S
200.000
50N load on latch bolt
W
100.000
120N load on latch bolt
X
200.000
120N load on latch bolt
Z
500.000
120N load on latch bolt
Corrosion resistance shall be classified according to the following grading system:
Grade
Corrosion resistance
Temperature requirement
0
no defined
no
A
low
no
B
moderate
no
C
high
no
D
very high
no
E
moderate
from -25
o
to +70
o
C
F
high
from -25
o
to +70
o
C
G
very high
from -25
o
to +70
o
C
EN 1906:2012
Durability shall be classified according to the following grading system:
Grade
Cycles
6
100.000
7
200.000
EN STANDARDS’ GRADE CLASSIFICATIONS
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