Method for improving performance of high-carbon high-chromium wear-resistant and corrosion-resistant material
A corrosion-resistant material, high-carbon and high-chromium technology, applied in the field of performance improvement of high-carbon and high-chromium wear-resistant and corrosion-resistant materials, can solve the problems of inability to meet wear and corrosion resistance, short service life, etc., to meet the requirements of environmental use, improve Mechanical properties, the effect of eliminating splitting
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[0014] See figure 2 As shown, a method for improving the performance of high-carbon and high-chromium wear-resistant and corrosion-resistant materials, its chemical composition: C is 1.0-1.4, Si is 1.8-2.1, Mn is 1.0-1.6, P≤0.06, S is 0.20-0.32, Cr is 33.0-35.0, Mo is 2.0-2.5, Ni≤0.50, and the sulfide in the casting adopts approximately spherical agglomerates to eliminate the splitting of the casting matrix by the sulfide. Controlling the Mn content at 1.0-1.6% and controlling the sulfur content at 0.2-0.32% realizes the morphological change of sulfide in the casting structure.
[0015] The testing data of the mechanical properties of the castings are as follows:
[0016]
[0017] Compared with the existing ones, the tensile strength exceeds the standard by nearly 100MPa, and the hardness is further increased, which reduces the risk of brittle cracking of parts during use and improves the service life of parts. Metallographic testing such as figure 2 shown.
[0018] T...
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