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The standard for 201 stainless steel pipes
The main implementation standards for 201 stainless steel pipes include GB1220 and JIS G 4303.
GB1220 standard
GB1220 is a national standard of China. It clearly stipulates the material composition and quality standards for 201 stainless steel pipes. The specific requirements are as follows:
1. Chemical composition: Carbon (C) ≤ 0.15%, Silicon (Si) ≤ 1.00%, Manganese (Mn) 7.50% - 10.00%, Phosphorus (P) ≤ 0.06%, Sulfur (S) ≤ 0.03%, Nickel (Ni) 4.00 - 6.00%, Chromium (Cr) 17.00 - 19.00%1.
2. Mechanical properties: Yield strength ≥ 200 MPa, tensile strength ≥ 500 MPa, elongation ≥ 0.08% 1.
JIS G 4303 Standard
JIS G 4303 is a Japanese industrial standard applicable to SUS201 stainless steel. SUS201 is a low-cost stainless steel, also known as low-nickel stainless steel, which mainly contains 17% to 19% chromium and 4% to 6% nickel elements, along with manganese, silicon, molybdenum, and other elements. Its performance characteristics include:
1. Corrosion Resistance: It has excellent corrosion resistance and is suitable for use in kitchenware, furniture, architectural decoration, electrical equipment, and other fields.
2. Processing Performance: The processing performance is excellent. It is easy to cut, weld and process. The surface is smooth and clean, easy to clean, and has high wear resistance.
The differences in implementation standards and application scenarios
1. GB1220: Primarily applicable to the Chinese market, it has detailed regulations on chemical composition and mechanical properties, and is suitable for various industrial applications that require high strength and corrosion resistance.
2. JIS G 4303: This standard is applicable to the Japanese market and focuses on the corrosion resistance and processing performance of the materials. It is suitable for applications in kitchenware, furniture, architectural decoration, and other fields.
In conclusion, the implementation standards for 201 stainless steel pipes vary depending on the application scenarios and market demands, but all emphasize the material's corrosion resistance and processing performance.
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