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Hardness Of 304 Stainless Steel
304 is the most commonly used austenitic stainless steel. In the solid solution state, its tensile strength is about 550MPa, and its hardness is about 150-160HB. 304 cannot be strengthened by heat treatment, but can only be strengthened by cold working. Its plasticity, toughness and corrosion resistance will be greatly reduced.
I don't know what purpose it is. There are many materials that reach 60HRC, but the characteristics of the materials are quite different and must be selected according to the purpose.
304 stainless steel is a universal stainless steel material, and its anti-rust performance is stronger than that of 200 series stainless steel materials. High temperature resistance is also better, and the general use temperature limit is less than 650°C. 304 stainless steel has excellent stainless corrosion resistance and good intergranular corrosion resistance. For oxidizing acids, it is found in experiments that 304 stainless steel has strong corrosion resistance in nitric acid with a concentration ≤ 65% below the boiling temperature. It also has good corrosion resistance to alkaline solutions and most organic and inorganic acids.
304 stainless steel is a very common stainless steel, also known as 18/8 stainless steel in the industry. Its corrosion resistance is better than 430 stainless steel, but the price is cheaper than 316 stainless steel, so it is widely used in life, such as some high-end stainless steel tableware, outdoor stainless steel railings, etc. [1] Although this type of stainless steel is very common in China, the name "304 stainless steel" comes from the United States. Many people think that 304 stainless steel is a model name in Japan, but in a strict sense, the official name of 304 stainless steel in Japan is "SUS304". 304 is a kind of universal stainless steel, it is widely used to make good comprehensive performance
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