On the layman, the differences between one grade of stainless steel and another are simple to miss. However, to some manufacturer, the difference between stainless steel alloys such as grade 304 stainless and grade 316 is often huge. One question that Marlin Steel’s engineers hear plenty would be: Is grade 316 steel worth the extra cost with the stainless steel 304 metal? The answer depends on the application and needs. The most basic change between grade 304 as well as grade 316 stainless steels is the fact that 316 tends to have more nickel and an amount of molybdenum in the mixture. The general mechanical properties from the two metals are mostly comparable. The increased nickel content as well as the inclusion of molybdenum permits grade 316 stainless steel to own better chemical resistance than 304 stainless. It’s ability to fight acids and chlorides, like salt, makes grade 316 perfect for chemical processing and sea applications. However, the addition of dime and molybdenum also makes grade 316 an added expensive alloy than stainless steel 304 per ounce of material.
Though the stainless steel 304 alloy has a larger melting point, grade 316 is known for a better resistance to chemicals and chlorides (like salt) than grade 304 s / s. When it comes to be able to applications with chlorinated alternatives or exposure to salt, grade 316 stainless steel is superior.
Seawater and salt air may be especially damaging to metals. Besides the rough environment of the sea and marine applications, chlorides, such as salt, can eat away from even the toughest metals. Salt will even bargain the protective oxide layer of grade 304 stainless, resulting in rust. To get marine applications, or techniques involving chlorides, grade 316 stainless is ideal.
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