High-strength antiseptic steel plate for shuttle car shelf and machining process thereof
A shuttle car, high-strength technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve problems such as increased storage costs, broken storage equipment, and low-temperature toughness of steel plates
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Embodiment 1
[0048] This embodiment is a high-strength anti-corrosion steel plate used for shuttle car shelves. The composition and mass percentage of the steel plate are: C: 0.77%, Mn: 0.17%, Si: 0.14%, P: 0.006%, S: 0.002% , Nb: 0.083%, V: 0.03%, Ti: 0.86%, Al: 0.53%, N: 0.006%, H: 0.00020%, Cu: 0.17%, Cr: 4.7%, Mo: 0.13%, Lanthanum: 0.11% , cerium: 0.06%, praseodymium: 0.02%, the balance is Fe and unavoidable impurities; the first phase in the steel plate is ferrite, the second phase is pearlite, and the second phase is from the surface to 1 / 4 thickness The volume percentage is 5.1%, the volume percentage of the second phase from 1 / 4 thickness to the center is 5.3%, and there is no band structure;
[0049] The surface of the steel plate is sprayed with an anti-corrosion coating, and the anti-corrosion is composed of 47% by weight of mixture A and 53% by weight of mixture A;
[0050] The composition of mixture A is calculated by weight: zinc powder: 15 parts, epoxy resin: 44 parts, sili...
Embodiment 2
[0063] This embodiment is a high-strength anti-corrosion steel plate used for shuttle car shelves. The composition and mass percentage of the steel plate are: C: 0.78%, Mn: 0.18%, Si: 0.15%, P: 0.007%, S: 0.003% , Nb: 0.084%, V: 0.04%, Ti: 0.87%, Al: 0.55%, N: 0.001%, H: 0.0001%, Cu: 0.18%, Cr: 4.8%, Mo: 0.14%, Lanthanum: 0.12% , cerium: 0.07%, praseodymium: 0.03%, the balance is Fe and unavoidable impurities;
[0064] The first phase in the steel plate is ferrite, the second phase is pearlite, the volume percentage of the second phase is 5.23% from the surface to 1 / 4 thickness, and the volume percentage of the second phase from 1 / 4 thickness to the center is 5.4%, And no band tissue;
[0065] The surface of the steel plate is sprayed with an anti-corrosion coating, and the anti-corrosion is composed of 50% by weight of mixture A and 50% by weight of mixture A;
[0066] The composition of mixture A is calculated by weight: zinc powder: 16 parts, epoxy resin: 45 parts, silico...
Embodiment 3
[0079] This embodiment is a high-strength anti-corrosion steel plate used for shuttle car shelves. The composition and mass percentage of the steel plate are: C: 0.79%, Mn: 0.19%, Si: 0.16%, P: 0.008%, S: 0.004% , Nb: 0.085%, V: 0.05%, Ti: 0.89%, Al: 0.57%, N: 0.002%, H: 0.0001%, Cu: 0.19%, Cr: 4.9%, Mo: 0.15%, Lanthanum: 0.13% , cerium: 0.08%, praseodymium: 0.04%, the balance is Fe and unavoidable impurities;
[0080] The first phase in the steel plate is ferrite, the second phase is pearlite, the volume percentage of the second phase from the surface to 1 / 4 thickness is 5.3%, and the volume percentage of the second phase from 1 / 4 thickness to the center is 5.5%, And no band tissue;
[0081] The surface of the steel plate is sprayed with an anti-corrosion coating, and the anti-corrosion is composed of 55% by weight of mixture A and 45% by weight of mixture A;
[0082] The composition of the mixture A is calculated in parts by mass: zinc powder: 17 parts, epoxy resin: 47 par...
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