Different grades of stainless steel screws and their applications

Stainless steel screws are widely used in various industries due to their durability, strength, and resistance to corrosion. These come in different grades, each with its unique properties, making them suitable for specific applications. As a trusted manufacturer, we understand the importance of using the appropriate grade for your project. Let’s discuss a few of the screw grades and their uses here in this article.

• Grade 18-8 – They are the most common type used in various applications. This contains 18% chromium and 8% nickel, which makes it corrosion-resistant and durable. They are ideal for applications that require moderate corrosion resistance, such as marine and food processing industries.
• Grade 304 – They are most commonly used due to their excellent corrosion resistance, making them ideal for indoor and outdoor applications. These are also known as A2 stainless steel screws and are non-magnetic, making them suitable for electronic equipment. They are ideal for fastening decorative trims, architectural components, and food processing equipment.
• Grade 316 – They are also known as A4 stainless steel screws and are the second most commonly used ones. These have superior corrosion resistance than grade 304, making them suitable for harsh environments, marine, and chemical processing plants. They are also non-magnetic and have excellent strength and durability, making them ideal for heavy-duty.
• Grade 410 – They are hardened screws with excellent strength and durability. These have a high resistance to wear and tear and are suitable for high strength, such as automotive and aerospace components, pumps, and valves. They are magnetic and are heat treated to increase their strength even further.
• Grade 430 – They are also known as ferritic stainless steel screws and are magnetic. These have excellent resistance to corrosion and are suitable for moderate strength, such as automotive trims, electrical appliances, and kitchen equipment. They are not suitable for marine applications due to their susceptibility to corrosion in saltwater environments.
• Grade 201 – They are a low-cost alternative to grade 304 and are suitable for moderate strength and corrosion resistance. These are ideal for indoor applications such as fastening furniture, lighting fixtures, and kitchen cabinets. They are magnetic and have a lower corrosion resistance than grade 304, making them unsuitable for outdoor and harsh environments.
• Grade 303 – They are also known as free-machining and are ideal for high machinability. These have excellent resistance to corrosion and are suitable for fastening gears, shafts, and valves. They are magnetic and have a lower corrosion resistance than grade 304, making them unsuitable for outdoor applications and harsh environments.

Choosing the appropriate grade of stainless steel screws for your project is crucial to ensure its longevity and durability. Remember to consult with a trusted Manufacturer for guidance on the appropriate grade for your project. Using the wrong grade can lead to premature failure, which causes safety hazards and costly repairs. With proper installation and maintenance, it last for decades, making them a cost-effective solution. As a trusted Stainless Steel Screws Manufacturer, we offer a wide range in different grades to meet your specific requirements. Whether you need it for indoor or outdoor applications, heavy-duty or moderate-strength applications, we have the right product for you.