09CuPCrNi-A, especially in 2002, successfully developed 16-25 thick 09CuPCrNi-A, which has strong market competitiveness and is mainly used in the manufacturing of railway passenger cars in China.
The static coupon test and dynamic coupon test were carried out on 09CuPCrNi steel. The test results show that the corrosion resistance of 09CuPCrNi steel is 2.7 and 1.4 times that of Cu-containing carbon steel, which is better than CortenA steel. 09CuPCrNi-A steel. The corrosion resistance is 2.7 to 1.4 times that of Cu-containing carbon steel, which is better than CortenA steel. In the 5-year dynamic coupon test of railway vehicles, the corrosion resistance of 09CuPCrNi steel is 2.26 and 2.6 times that of Cu-containing carbon steel, which is better than CortenA steel. 09CuPCrNi- The corrosion resistance of A steel is 2.28～2.6 times that of Cu-containing carbon steel, which is better than CortenA steel.
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