CEMP-E
TI 809-26
1 March 2000
Table 4-4. Toughness Guidelines for Structural Steel in Fatigue Applications,
Table
Redundant Applications.
Minimum Service Temperature
Applicatio
Steel
Thickness
Zone 1
Zone 2
Zone 3
n
-18oC (0oF)
-34oC (-30oF)
-51oC (-60oF)
A36
to 100 mm (4
bolted or
20J @ 21oC
20J @ 4oC
20J @ -12oC
in.), incl.
welded
(15 ft-lbf @
(15 ft-lbf @
(15 ft-lbf @
70oF)
40oF)
10oF)
A572, gr
to 50 mm (2
bolted or
20J @ 21oC
20J @ 4oC
20J @ -12oC
50
in.), incl.
welded
(15 ft-lbf @
(15 ft-lbf @
(15 ft-lbf @
A588
70oF)
40oF)
10oF)
"
over 50 to
bolted
20J @ 21oC
20J @ 4oC
20J @ -12oC
100 mm (2 in
(15 ft-lbf @
(15 ft-lbf @
(15 ft-lbf @
to 4 in.)
70oF)
40oF)
10oF)
"
over 50 to
welded
20J @ 21oC
20J @ 4oC
20J @ -12oC
100 mm (2 in
(20 ft-lbf @
(20 ft-lbf @
(20 ft-lbf @
to 4 in.)
70oF)
40oF)
10oF)
A852
to 65 mm (2-
bolted or
27J @ 10oC
27J @ -7oC
27J @ -23oC
1/2 in.), incl.
welded
(20 ft-lbf @
(20 ft-lbf @
(20 ft-lbf @ -
50oF)
20oF)
10oF)
"
over 65 mm
bolted
27J @ 10oC
27J @ -7oC
27J @ -23oC
to 100 mm (2-
(20 ft-lbf @
(20 ft-lbf @
(20 ft-lbf @ -
1/2 in to 4 in.)
50oF)
20oF)
10oF)
"
over 65 mm
welded
34J @ 10oC
34J @ -7oC
34J @ -23oC
to 100 mm (2-
(25 ft-lbf @
(25 ft-lbf @
(25 ft-lbf @ -
1/2 in to 4 in.)
50oF)
20oF)
10oF)
A514
to 65 mm (2-
bolted or
34J @ -1oC
34J @ -18oC
34J @ -34oC
1/2 in.), incl.
welded
(25 ft-lbf @
(25 ft-lbf @
(25 ft-lbf @ -
30oF)
0oF)
30oF)
"
over 65 mm
bolted
34J @ -1oC
34J @ -18oC
34J @ -34oC
to 100 mm (2-
(25 ft-lbf @
(25 ft-lbf @
(25 ft-lbf @ -
1/2 in to 4 in.)
30oF)
0oF)
30oF)
"
over 65 mm
welded
48J @ -1oC
48J @ -18oC
48J @ -34oC
to 100 mm (2-
(35 ft-lbf @
(35 ft-lbf @
(35 ft-lbf @ -
1/2 in to 4 in.)
30oF)
0oF)
30oF)
4-13
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