Is standard for Ramshorn hook?

Is standard for Ramshorn hook?

1.1 This Interplant Standard covers the requirements of forged ramshorn hooks used in steel industry and is generally based on IS 5749:1970 regarding terminology, workmanship, testing and examination and marking shall remain essentially the same for this Interplant Standard.

How do you measure a lifting hook?

To check, use a measuring device (i.e., tape measure) to measure the distance between the marks. The marks should align to either an inch or half-inch increment on the measuring device. If the measurement does not meet criteria, the hook should be inspected further for possible damage.

Is code for Ramshorn hook?

IS: 5749-1970
Ramshorn Hook is supplied as per IS: 5749-1970, from 40 ton up to 260 ton. Ramshorn Crane Hook can also be supplied as per requirement of customer size and capacity or drawing.

Is 15560 a grade M?

Long shank hook as per Is. 15560-2005. Grade m….Is 15560-2005 Long shank hook, Size/capacity: 1 T To 20 T.

What is the maximum amount that the throat of a hook can open?

Check the throat opening. It should not be more than 5% or 1/4″ from the manufacturer’s original dimension. Check your manufacturer’s recommendations. Also, some hooks have manufactured marks or bumps between the throat opening and the saddle of the hook.

Is crane hook a code?

IS 12162: Lifting Hook.

What degree of twist is allowed on a hook?

Inspect hook tip. If it is twisted by 10 degrees or more the hook must be replaced.

How many degrees can a hook be twisted?

When multi-leg slings are placed in the base (bowl/saddle) of the hook, the maximum included angle between sling legs shall be 90° or as determined by the hook manufacturer. The maximum sling leg angle with respect to the hook centerline for any rigging arrangement shall be 45°.

What is trade chain size?

PROOF COIL CHAIN (GRADE 30)