50 Point Explanation
Don't abuse your rigging! Remember, permanent loss of lifting capacity is cumulative for repeated
heating. Information from OSHA - US Dept of Labor website:
http://www.osha.gov/dsg/guidance/slings/tables-figures.html
|
Temperature |
Grade
of Chain |
||||
|
|
|
Grade
80 |
Grade
100 |
||
|
(°F) |
(°C) |
Temporary
Reduction of Rated Load WHILE AT Temperature |
Permanent
Reduction of Rated Load AFTER EXPOSURE to Temperature |
Temporary
Reduction of Rated Load WHILE AT Temperature |
Permanent
Reduction of Rated Load AFTER EXPOSURE to Temperature |
|
Below |
Below |
NONE |
NONE |
NONE |
NONE |
|
400 |
204 |
10% |
None |
15% |
None |
|
500 |
260 |
15% |
None |
25% |
5% |
|
600 |
316 |
20% |
5% |
30% |
15% |
|
700 |
371 |
30% |
10% |
40% |
20% |
|
800 |
427 |
40% |
15% |
50% |
25% |
|
900 |
482 |
50% |
20% |
60% |
30% |
|
1000 |
538 |
60% |
25% |
70% |
35% |
|
Over
|
Over
|
REMOVE
|
|||