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修改這篇文章 : 316L Stainless Steel Pipe

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316L Stainless Steel Pipe is ultra-low carbon steel, and 316L is resistant to intergranular corrosion. Generally used in the manufacture of industrial equipment such as chemical, fertilizer and chemical fiber, such as containers, pipes and structural parts. 1. 316L has a maximum carbon content of 0.03 and can be used in applications where annealing is not possible after welding and maximum corrosion resistance is required. 2. 316L is excellent in corrosion resistance, especially pitting resistance due to the addition of Mo; high temperature strength is also good; excellent work hardening property (weak magnetic property after processing); 316L stainless steel national standard: 00Cr17Ni14Mo2 3. The content of molybdenum in 317 stainless steel pipe is slightly higher than that of 316 stainless steel pipe. Due to the molybdenum in steel, the total performance of this steel is better than that of 310 and 304 stainless steel. Under high temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher than 85 When used, 316 stainless steel has a wide range of uses. 4. 316L stainless steel tube also has good resistance to chloride attack, so it is usually used in the marine environment. 5. Corrosion resistance is better than 304 stainless steel tube, which has good corrosion resistance in the production process of pulp and paper. 6. Moreover, 316 stainless steel is also resistant to erosion by marine and aggressive industrial atmospheres. Heat resistance 316 stainless steel tube has good oxidation resistance in intermittent use below 1600 °C and continuous use below 1700 °C. 7. In the range of 800-1575 degrees, it is best not to continuously apply 316 stainless steel, but when 316 stainless steel is continuously used outside this temperature range, the stainless steel has good heat resistance. 8. 316L stainless steel has better carbide precipitation resistance than 316 stainless steel and can be used in the above temperature range. Heat treatment 9. Anneal in a temperature range of 1850-2050 degrees, then anneal quickly and then rapidly cool. 10. 316 stainless steel cannot be hardened by heat treatment. 316L stainless steel tube chemical composition% China standard C: ≤ 0.03 Si : ≤ 1.0 Mn : ≤ 2.0 Cr : 16.0 to 18.0 Ni: 12.0 to 15.0 S : ≤ 0.03 P : ≤ 0.045 Mo: 2.0 to 3.0. American Standard C: ≤ 0.03 Si : ≤ 1.0 Mn : ≤ 2.0 Cr : 16.0 to 18.0 Ni : 10.0 to 14.0 S : ≤ 0.03 P : ≤ 0.045 Mo: 2.0 to 3.0.

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