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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