QuestionApril 20, 2025

Which of the following chain grades , if any, can be used in place of hoist load chain? Grade 43 Grade 70 Grade 80 None of the above can be used

Which of the following chain grades , if any, can be used in place of hoist load chain? Grade 43 Grade 70 Grade 80 None of the above can be used
Which of the following chain grades , if any, can be used in place of hoist load chain?
Grade 43
Grade 70
Grade 80
None of the above can be used

Solution
4.2(297 votes)

Answer

Grade 80 Explanation 1. Identify the appropriate chain grade for hoist load chains Hoist load chains require high-strength, heat-treated alloy steel. Only **Grade 80** or higher (e.g., Grade 100) is suitable for lifting applications due to their strength and durability. 2. Evaluate the given options - **Grade 43**: Not suitable; designed for general-purpose use, not lifting. - **Grade 70**: Not suitable; used for transport and tie-downs, not lifting. - **Grade 80**: Suitable; meets the requirements for hoist load chains.

Explanation

1. Identify the appropriate chain grade for hoist load chains<br /> Hoist load chains require high-strength, heat-treated alloy steel. Only **Grade 80** or higher (e.g., Grade 100) is suitable for lifting applications due to their strength and durability.<br /><br />2. Evaluate the given options<br /> - **Grade 43**: Not suitable; designed for general-purpose use, not lifting.<br /> - **Grade 70**: Not suitable; used for transport and tie-downs, not lifting.<br /> - **Grade 80**: Suitable; meets the requirements for hoist load chains.
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