How to distinguish between and choose between 304 and 316 stainless steel?
Time : 2020/12/03
How to distinguish between and choose between 304 and 316 stainless steel?

304 and 316 are two of the most commonly used austenitic stainless steels, with the core difference being their corrosion resistance:

304 stainless steel: Contains 18% chromium and 8% nickel (18/8 stainless steel). It has good corrosion resistance and workability, and can resist most organic acids and atmospheric oxidation. It is a general-purpose stainless steel, suitable for most conventional environments such as kitchenware, home furnishings, building interiors, and food processing equipment.

316 stainless steel: Based on 304, it adds approximately 2-3% molybdenum (Mo). This element significantly enhances its resistance to chloride corrosion. Key applications: coastal building facades (resistant to sea breeze and salt spray), chemical equipment, marine fittings, medical devices, and industrial equipment used for processing solutions containing chloride ions.

Ruisibo recommends: If your product will be used in coastal areas or environments exposed to chemicals, seawater, or salt, it is strongly recommended to choose 316 stainless steel to ensure long-term safety and aesthetics. For conventional inland environments, the more cost-effective 304 stainless steel is an ideal choice.

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