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Stainless shackles are produced according to U.S. Fed Spec, European commercial type, and so on, as long as snap shackles, with machine polished finish, which are commonly used in marine applications, shade structures, wire railings, construction rigging, and general-purpose applications. For these rated stainless steel shackles, rely on CLGR® as your trusted rigging hardware supplier.
Stainless steel shackles feature a chromium oxide film on their surfaces which creates high corrosion resistance, can be used in saltwater or chemical environments, are ideal for marine applications. Stainless steel shackles are primarily made from grades 304 or 316 stainless steel.
Grade 304
304 stainless steel (SS) is a widely used austenitic stainless steel. It is known for its versatility, durability, and cost-effectiveness. Most of the general-purpose products are manufactured using 304 Grade SS. Furthermore, it has fairly good corrosion resistance and ease of fabrication, making it suitable for various industrial products.
Grade 316
316 stainless steel is superior to 304 when it comes to resisting chloride corrosion, making it the go-to material for applications where corrosion resistance is needed.
| Feature | 304 SS | 316 SS |
| Corrosion Resistance | Good | Excellent |
| Saltwater Resistance | Moderate | Excellent |
| Marine Applications | Suitable | Recommended |
| Cost | Lower | Higher |
A D shackle for lifting is designed primarily for straight-line loads and offers higher strength within a compact profile. A lifting bow shackle features a larger rounded body that allows greater flexibility and can accommodate multiple sling connections.
Yes. 316 stainless steel shackles provide superior corrosion resistance and are widely used in marine and offshore environments. They are the preferred choice for long-term exposure to seawater.
The correct size depends on the required working load, connection dimensions, and application environment. Always select a shackle with an appropriate working load limit and safety factor.
Certain stainless steel shackles are suitable for lifting applications when properly rated and used according to relevant standards. Always verify load ratings before use.
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