A4-70 M24 M27 Stainless Steel Hex Metal Bolts and Washers High-Performance Rust-Resistant Fastening Solution
Product Description:
It focuses on the A4-70 grade stainless steel used in the M24 and M27 bolts, nuts, and washers, emphasizing their ability to resist rust and corrosion. Designed for high-performance applications, these fasteners offer a long-lasting, rust-resistant solution for a variety of industries, particularly those with exposure to harsh chemicals, high humidity, or seawater. The high tensile strength of the A4-70 grade ensures they can withstand significant mechanical stress and are well-suited for structural, mechanical, and industrial applications. These fasteners guarantee secure connections that remain intact over extended periods, even in environments that typically degrade lower-quality materials.
Material and Corrosion Resistance
The A4-70 grade designation in this headline refers to a high-strength, corrosion-resistant stainless steel composition, ensuring these fasteners perform well in challenging environments. The M24 and M27 bolts, nuts, and washers have been designed to withstand mechanical stress, making them suitable for heavy-duty structural and industrial applications. Their high tensile strength (700 MPa yield strength) means they can bear significant loads without failure, making them perfect for critical installations, especially in extreme conditions like offshore rigs or chemical plants where both strength and durability are essential.
Maintenance Tips:
• Regularly check bolts for any signs of loosening, particularly in high-vibration environments.
• Clean bolts with water or a mild detergent to remove any salt or chemical deposits that may accelerate corrosion.
• For applications exposed to extreme chemicals, apply a protective coating to further enhance the bolt’s resistance.
Applications
This headline emphasizes the outstanding corrosion resistance offered by SS316L stainless steel in the M24 and M27 hex bolt, nut, and washer set. The set is designed for heavy-duty applications, making it ideal for industries where corrosion resistance is a top priority, such as marine and offshore environments. SS316L’s ability to withstand harsh chemicals, seawater, and extreme weather conditions ensures that these fasteners will maintain their integrity over time, reducing the need for frequent replacements. Their reliability in heavy-duty uses guarantees structural strength and security, particularly in industries such as construction, petrochemical, and shipbuilding, where corrosion and environmental exposure are constant concerns.
Generally required chromium content of 18% or more, nickel content of 8% or more, because of its good corrosion resistance, heat resistance and other advantages, often used in food processing, storage and transport, or applied to agriculture, auto parts, building materials, chemical industry, etc., is the most widely used stainless steel, accounting for almost more than half of the total production of stainless steel. 316 stainless steel generally require chromium content of more than 16%, nickel content of more than 10%, molybdenum content of more than 2%, nickel and molybdenum, the two alloying elements of the proportion of the enhancement, so that it has a better resistance to (acid) corrosion, welding performance, and so on, and therefore have a higher price, in the medical and surgical, fine industrial components, etc. to play a greater use.
| No. | C% | Cr% | Ni % | Mo % |
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
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