Diference between 304 vs 316 Stainless Steel

Common stainless steels

The  maximum not unusualplace stainless-steel grades are 304 and 316. The key distinction is the addition of molybdenum, an alloy which appreciably complements corrosion resistance, specially for extra saline or chloride-uncovered environments.

316 stainless-steel carries molybdenum. 304 stainless-steel does not.

For out of doors fixtures like rails and bollards, stainless-steel is a great corrosion-resistant material, however it's going to simplest face up to long-time period publicity if the grade is suitable for its environment. 304 is a cheap and sensible desire for maximum environments, however it doesn’t have the chloride resistance of 316. The barely better rate factor of 316 is nicely really well worth it in regions with excessive chloride publicity, specially close to the sea or with the aid of using closely salted roadways. Each software for stainless-steel has specific needs and wishes a stainless-steel that’s as much as the task.

Other not unusualplace client stainless steels encompass 409 and 430.

304 stainless steel

304 Stainless Steel is the most common form of stainless steel used around the world, due to its excellent corrosion resistance and value. It contains between 16 and 24 percent chromium and up to 35 percent nickel, as well as small amounts of carbon and manganese.

The most common form of 304 stainless steel is 18-8 (18/8) stainless steel, which contains 18 percent chromium and 8 percent nickel.

304 stainless steel is the most common form of stainless steel used around the world due to excellent corrosion resistance and value.

316 Stainless Steel

316 grade is the second-most common form of stainless steel. It has almost the same physical and mechanical properties as 304 stainless steel, and contains a similar material make-up. The key difference is that 316 stainless steel incorporates about 2 to 3 percent molybdenum. The addition increases corrosion resistance, particularly against chlorides and other industrial solvents.

316 stainless steel is commonly used in many industrial applications involving processing chemicals, as well as high-saline environments such as coastal regions and outdoor areas where de-icing salts are common. Due to its non-reactive qualities, 316 stainless steel is also used in the manufacture of medical surgical instruments.

316 stainless steel has additional molybdenum that gives it resistance to chlorides and other processing chemicals.