Differences Between Electro Galvanized VS Hot Dip Galvanized Shackles

Hot Dip Galvanized Shackles

Shackle are one of important rigging hardware in different industries. Usually there’re 2 types surface finish of shackles, electro and hot dip galvanized. While both offer corrosion resistance, they undergo different galvanizing processes, leading to distinct characteristics and applications. This article aims to elucidate the disparities between electro galvanized shackles and hot dip galvanized shackles.

Electro Galvanized Shackles

  • Cost-Effectiveness

Electro galvanized shackles are often more cost-effective compared to their hot dip galvanized counterparts, making them a preferred choice for budget-conscious applications.

  • Aesthetics

The electro galvanizing process produces a smoother and more polished finish, contributing to a visually appealing appearance. This makes them suitable for applications where aesthetics are a consideration.

  • Suitable for Indoor Use

Electro galvanized shackles provide adequate corrosion resistance for indoor use and mild outdoor environments. They are a viable option when exposure to harsh conditions is limited.

But there’re still some weakness of electro galvanized shackles, on the one side, thinner coating, the zinc coating applied through electro galvanizing is relatively thin (typically 5 to 25 microns), resulting in a moderate level of corrosion resistance. This makes them less suitable for environments with high humidity, chemical exposure, or abrasive conditions. On the other side, limited durability. Electro galvanized shackles may have a shorter lifespan in harsh conditions due to the thinner coating, making them less durable than their hot dip galvanized counterparts.

Hot Dip Galvanized Shackles

  • Superior Corrosion Resistance:

Hot dip galvanized shackles provide excellent corrosion resistance, making them ideal for outdoor applications, marine environments, and areas with high humidity or chemical exposure. The thicker coating (50 to 200 microns) acts as a robust barrier against corrosion.

  • Durable in Harsh Conditions:

The thicker zinc coating enhances the durability of hot dip galvanized shackles, making them more resistant to abrasion, mechanical damage, and harsh environmental conditions.

  • Longer Service Life:

Due to their enhanced corrosion resistance and durability, hot dip galvanized shackles typically have a longer service life, reducing the frequency of replacements and maintenance.

But we also found there’s some disadvatage of hot dip galvanized shackles. Firstly,  hot dip galvanized shackles are generally more expensive than electro galvanized shackles. The additional cost is attributed to the more complex galvanizing process and the thicker coating, which contributes to their superior corrosion resistance. Secondly, rougher finish. The hot dip galvanizing process may result in a rougher finish compared to electro galvanizing. While this does not affect functionality, it might be a consideration for applications where appearance is important.

Conclusion

In conclusion, the choice between electro galvanized shackles and hot dip galvanized shackles depends on the specific requirements of the application, budget constraints, and the anticipated environmental conditions. Careful consideration of these factors will help users select the most suitable type of shackle to meet their needs. If you want to know more about electro galvanized and hot dip galvanized shackle, please feel free to contact Sail Rigging.

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