Alloy forged steel and production method and application thereof
A production method and alloy technology, applied in the direction of friction linings, mechanical equipment, etc., can solve the problems of high temperature performance of materials, insufficient margin of tensile strength, reduction of plasticity and toughness of materials, etc., and achieve high oxidation resistance and thermal conductivity performance, improving mechanical properties at room temperature, excellent hardness and strength
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[0052] (Example 1)
[0053] The components and mass percentages of the alloy forged steel of this embodiment are: carbon 0.3%, silicon 0.37%, manganese 0.74%, chromium 1.35%, molybdenum 0.70%, vanadium 0.28%, phosphorus 0.010%, sulfur 0.006%, and the balance It is iron and inevitable impurities. Among the impurities, the mass percentage content of aluminum is 0.010%, the mass percentage content of oxygen is 0.0015%, the mass percentage content of hydrogen is 0.0005%, and the mass percentage content of nitrogen is 0.008%.
[0054] The production process of the alloy forging steel in this embodiment is: alloy smelting→casting steel ingot→steel ingot diffusion annealing→steel ingot blooming→blank blanking→heating→blank forging→post-forging annealing→machining (rough machining)→tempering and polishing→polishing Pill cleaning → flaw detection → mechanical processing (finishing) → finished product storage.
[0055] The method for producing alloy forged steel in this embodiment includes t...
Example
[0073] (Example 2)
[0074] The components and mass percentages of the alloy forged steel in this embodiment are: carbon 0.31%, silicon 0.32%, manganese 0.80%, chromium 1.35%, molybdenum 0.80%, vanadium 0.30%, phosphorus 0.015%, sulfur 0.012%, titanium 0.007 %, the balance is iron and unavoidable impurities. Among the impurities, the mass percentage content of aluminum is 0.008%, the mass percentage content of oxygen is 0.0022%, the mass percentage content of hydrogen is 0.0003%, and the mass percentage content of nitrogen is 0.009%. The mass percentage content of titanium is 0.005%, the mass percentage content of tungsten is 0.005%, and the mass percentage content of niobium is 0.0012%.
[0075] The production process of the alloy forged steel of this embodiment is basically the same as that of embodiment 1, and the specific steps are different in:
[0076] The alloy melting temperature is 1680°C, and the casting temperature of the steel ingot is 1560°C.
[0077] During diffusion a...
Example
[0090] (Example 3)
[0091] The components and mass percentages of the alloy forged steel of this embodiment are: carbon 0.28%, silicon 0.32%, manganese 0.76%, chromium 1.15%, molybdenum 0.72%, vanadium 0.30%, phosphorus 0.012%, sulfur 0.007%, niobium 0.005 %, the balance is iron and unavoidable impurities. Among the impurities, the mass percentage content of aluminum is 0.009%, the mass percentage content of oxygen is 0.0019%, the mass percentage content of hydrogen is 0.0003%, and the mass percentage content of nitrogen is 0.011%. The mass percentage content of titanium is 0.006%, the mass percentage content of tungsten is 0.005%, and the mass percentage content of niobium is 0.0015%.
[0092] The production process of the alloy forged steel of this embodiment is basically the same as that of embodiment 1, and the specific steps are different in:
[0093] The alloy melting temperature is 1600°C, and the casting temperature of the steel ingot is 1530°C.
[0094] During diffusion an...
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