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Help CenterGalvanized Steel Chain G30/g43/g70/g80
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Specifications
Galvanized Steel Chain g30/g43/g70/g801.Size:5to 42mm
2.Grade 80/ EN818-2
3.Nature color/polish/oxidated black/ galvanized
Galvanized Steel Chain g30/g43/g70/g80
G80 Chain is a kind of lifting chain which is widely used in factory, construction site, wharf and dock etc, loading and unloading goods. G80 lifting chains is easy to be used and can fit all kinds of heavy things.
Features of Lifting Chain
*Breaking load: the tensile load reach up to Grade 80 level.
*Surface treatment: Nature color/polish/oxidated black/ electronic galvanized3.
*Standards: EN818-2, DIN5687-80, ASTM, NACM
*Sizes 6mm to 22mm, using alloy steel 25MnV or 20MN2,
Sizes24mm to 42mm using alloy steel 23MnNiMoCr54 importer from Germany
*Safety factor:4:1
Parameters of Lifting Chain
*If you are interested in our products,please be kindly let me to know
the following information
1.The size.
2.The width (inside and outsid width).
3. Surface treatment.
4. Your skype,msn,email and phone.
5. Any special requirement.
* How to use Lifting Chain
A) Check for the appearance of lifting chain
1. whether the inner/outer chains deformate, crackes, corrode
2. Whether the pin deformates or moves, even corrodes
3. Whether the roller cracks, damages.
4. Whether joint looses and deformates
5.When it works, whether there is sound or abnormal vibration, and whether the chain lubrication conditions are in good condition or not.
B) Judgement about condemned lifting chain
1. The abrasion value chain hoist allowed shall not be more than 10% of ring chain bar diameter or the thickness of assistive devices
2. Don't bend d more than 10 degrees of the main ring plane
3.Forbiding to use it when there appears crack of any part of the chain hoist, bending or distortions and ring hinge
4. The chain and ring permanent elongation shall not exceed 5% of the original one
C).Measurements about Chain length precision
1. Clean the chain before you measure it.
2. Enclose the measured chain around the two sprockets and give its both sides support.
3. The chain should remains for one minute in the minimum state of stretch and load before measurement.
4. when measuring, place measuring load on the chain and make up and down side chain tense, so that chain sprocket coincides with chain.
5. Measure center distance between two sprockets
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