#What is the difference between 201 304 316 400 stainless steel#
Stainless steel is a metal material with corrosion resistance, commonly found in stainless steel materials such as 201, 304, 316, and 400. The differences between them are mainly reflected in chemical composition, physical properties, corrosion resistance, and application fields. The following is a detailed introduction to the differences between 201 304 316 400 stainless steel:
1. Chemical composition is an important factor in distinguishing different stainless steel materials. 201 stainless steel contains 17-19% chromium and 8-10% nickel, and the lower nickel content makes its price relatively low; 304 stainless steel contains 18-20% chromium and 8-10.5% nickel, exhibiting excellent corrosion resistance; 316 stainless steel contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum, which has better corrosion resistance, especially for seawater and acidic environments; 400 stainless steel is a ferritic stainless steel that does not contain nickel and contains 11.5-14.5% chromium, exhibiting good corrosion resistance.
2. Physical properties are also an important indicator for distinguishing different stainless steel materials. 201 stainless steel has lower strength and hardness, but good plasticity and toughness; 304 stainless steel has good strength and hardness, suitable for general industrial applications; 316 stainless steel has higher strength and hardness, making it suitable for situations with high corrosion resistance requirements; 400 stainless steel has high strength and hardness, but poor plasticity and toughness.
3. Corrosion resistance is one of the important characteristics of stainless steel. 201 stainless steel has good corrosion resistance to general atmosphere, fresh water, and slightly corrosive media; 304 stainless steel has good corrosion resistance to most acidic media and organic acids; 316 stainless steel has good corrosion resistance to seawater, acidic and alkaline media; 400 stainless steel has good corrosion resistance to general atmospheric, freshwater, and slightly corrosive media.
4. Different stainless steel materials also differ in their application fields. 201 stainless steel is commonly used in fields such as architectural decoration and kitchenware; 304 stainless steel is widely used in fields such as food processing, chemical industry, medical equipment, etc; 316 stainless steel is suitable for fields with high corrosion resistance requirements such as marine engineering, chemical industry, pharmaceuticals, etc; 400 stainless steel is commonly used in fields such as machinery and automotive components.
5. The selection of suitable stainless steel materials needs to be determined based on specific usage environments and requirements. Different stainless steel materials have different chemical compositions, physical properties, corrosion resistance, and application fields. Therefore, when selecting, it is necessary to comprehensively consider these factors to meet practical needs.
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#What is the difference between 201 304 316 400 stainless steel#
Stainless steel is a metal material with corrosion resistance, commonly found in stainless steel materials such as 201, 304, 316, and 400. The differences between them are mainly reflected in chemical composition, physical properties, corrosion resistance, and application fields. The following is a detailed introduction to the differences between 201 304 316 400 stainless steel:
1. Chemical composition is an important factor in distinguishing different stainless steel materials. 201 stainless steel contains 17-19% chromium and 8-10% nickel, and the lower nickel content makes its price relatively low; 304 stainless steel contains 18-20% chromium and 8-10.5% nickel, exhibiting excellent corrosion resistance; 316 stainless steel contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum, which has better corrosion resistance, especially for seawater and acidic environments; 400 stainless steel is a ferritic stainless steel that does not contain nickel and contains 11.5-14.5% chromium, exhibiting good corrosion resistance.
2. Physical properties are also an important indicator for distinguishing different stainless steel materials. 201 stainless steel has lower strength and hardness, but good plasticity and toughness; 304 stainless steel has good strength and hardness, suitable for general industrial applications; 316 stainless steel has higher strength and hardness, making it suitable for situations with high corrosion resistance requirements; 400 stainless steel has high strength and hardness, but poor plasticity and toughness.
3. Corrosion resistance is one of the important characteristics of stainless steel. 201 stainless steel has good corrosion resistance to general atmosphere, fresh water, and slightly corrosive media; 304 stainless steel has good corrosion resistance to most acidic media and organic acids; 316 stainless steel has good corrosion resistance to seawater, acidic and alkaline media; 400 stainless steel has good corrosion resistance to general atmospheric, freshwater, and slightly corrosive media.
4. Different stainless steel materials also differ in their application fields. 201 stainless steel is commonly used in fields such as architectural decoration and kitchenware; 304 stainless steel is widely used in fields such as food processing, chemical industry, medical equipment, etc; 316 stainless steel is suitable for fields with high corrosion resistance requirements such as marine engineering, chemical industry, pharmaceuticals, etc; 400 stainless steel is commonly used in fields such as machinery and automotive components.
5. The selection of suitable stainless steel materials needs to be determined based on specific usage environments and requirements. Different stainless steel materials have different chemical compositions, physical properties, corrosion resistance, and application fields. Therefore, when selecting, it is necessary to comprehensively consider these factors to meet practical needs.
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