When it comes to selecting the best stainless steel grade for railing fittings, there are a few options to consider. The most commonly used stainless steel grade for railing fittings are 304 and 316.
Stainless Steel grade 304 may be the best choice for interior and exterior railing system designs. Grade 304 stainless steel is a versatile and widely used option. It offers good corrosion resistance, durability, and is suitable for indoor applications. It is commonly used in residential and commercial settings where the railing is not exposed to harsh environments or corrosive elements.
316 stainless steel is more resistant to chlorides than 304 stainless steel, making it a good choice for outdoor applications, such as railings near the ocean or pool. It is also more expensive than 304 stainless steel. It contains molybdenum and nickel, which enhances its resistance to pitting and crevice corrosion caused by chloride exposure. Grade 316 is often recommended for coastal areas or locations with high levels of humidity or saltwater exposure.
Duplex stainless steel is a type of stainless steel that is even more resistant to corrosion than 316 stainless steel. It is typically used in applications where there is a high risk of corrosion, such as in marine environments.
Whether you 304 stainless steel or 316 stainless steel for your railing system, consider your application and the total budge when deciding which material to use. Grade 316 stainless steel is more expensive than 304 stainless steel. Grade 316 stainless steel contains more molybdenum and nickel which makes it corrosion resistant to rust.
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