If you have a project that needs fasteners, you have several options to choose from. Screws come in a wide range of sizes, threads, heads and tips. Before you start to narrow your choices down, however, you need to know what type of screw to buy. The 18-8 stainless and 304 stainless screws are some of the most popular fasteners on the market, but they have a few differences that can affect the long-term performance of your finished project.
Screws made from 18-8 and 304 stainless steel are both made using stainless steel, but their compositions vary. The differences between 18-8 stainless steel vs. 304 stainless steel may seem minor, but they can have a measurable impact.
This iron alloy earns its name due to its makeup. It is produced using approximate quantities of 18% chromium and 8% nickel, and it covers a family of fittings that include 302, 304, 305 and 384 stainless screws. These fittings all use 18-8 stainless steel as a base before they are modified with additional alloys. Screws made from 18-8 stainless steel are non-magnetic and have excellent resistance to rust and corrosion.
This stainless steel (SS) type is austenitic and the most widely used alloy in the AISI (American Iron and Steel Institute) 300 series. It has the chromium and nickel content of 18-8 stainless steel but contains a maximum of 0.08% carbon as well. It also shares many similar properties to 18-8 stainless steel, including resistance to corrosion and oxidation. The addition of carbon provides this alloy with extra strength and hardness that sets it apart from other alloys.
With different chemical structures, fasteners made with 18-8 vs. 304 stainless steel offer distinct advantages. Before you make your purchase, consider the ideal applications of 18-8 vs. 304 stainless steel:
At All Points Fasteners, we will make sure you have the screws you need to keep your projects moving and on schedule. Our experts will help you find the right size and type fastener to match your requirements. Check out our complete inventory to find screws that meet your needs or contact us online for personal support.