Mich. Admin. Code R. 408.40837 - Chains
Rule 837.
(1)
Chains used for material handling shall be made of alloy steel.
(2) A welded alloy steel chain shall have a
permanently affixed tag showing the size, grade, rated capacity, and
manufacturer's name.
(3) If wear at
any point of any chain link is more than that shown in table 2, then the chain
shall be repaired or replaced. The repair shall return the chain to its rated
capacity.
(4) Employers shall not
use alloy steel-chain slings with loads in excess of the rated capacities, such
as working load limits, indicated on the sling by permanently affixed and
legible identification markings prescribed by the manufacturer.
TABLE 2
| MAXIMUM ALLOWABLE WEAR AT ANY POINT OF LINK | |
| Chain Size (inches) | Maximum Allowable Wear (inch) |
| 1/4 | 3/64 |
| 3/8 | 5/64 |
| 1/2 | 7/64 |
| 5/8 | 9/64 |
| 3/4 | 5/32 |
| 7/8 | 11/64 |
| 1 | 3/16 |
| 1-1/8 | 7/32 |
| 1-1/4 | 1/4 |
| 1-3/8 | 9/32 |
| 1-1/2 | 5/16 |
| 1-3/4 | 11/32 |
Notes
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