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This article employs a two-step melting process to produce alloy ingots with varying carbon contents. Subsequently, through processes such as forging, solution treatment, testing, and analysis, target alloy forgings are fabricated. The results indicate that when the carbon content in the alloy falls within a specific range, the alloy exhibits both excellent corrosion resistance and superior high-temperature performance. The comprehensive performance of the product meets the requirements for use in China's aerospace, energy, nuclear reactor, and other fields.

Adopting appropriate forging processes can effectively adjust the ratio of α phase and γ phase in dual-phase steel forgings, thereby enhancing the mechanical properties and corrosion resistance of the forgings: (1) Heating the cold ingot of duplex stainless steel to 1160~1180℃ for cogging and elongation forging, and crushing the as-cast crystalline structure of duplex stainless steel can refine the grain size of the billet. Water cooling after forging effectively prevents the precipitation of harmful phases such as σ. (2) After the second heating forging process, the billet undergoes upsetting and drawing, leading to further grain refinement. Various casting defects diffuse at high temperatures, dispersing uniformly or being eliminated.

Due to prolonged friction and rolling contact between the work roll and the support roll, the support roll bears significant shear and contact stresses, resulting in deformation strengthening and wear. Therefore, its main failure modes are peeling and wear. The tonnage of forged steel support rollers is large, the production process is complex, and waste products are easily generated.

The manufacturing methods of support rollers mainly include forging and casting. The hot working process of forged steel support rollers mainly includes smelting, casting, forging, and heat treatment, so that the working layer of the produced support roller body can achieve high wear resistance, high and uniform hardness, and excellent accident resistance. At the same time, it ensures that the core and neck of the roller have high toughness and strength, to ensure the dimensional accuracy and good surface quality of cold-rolled strip or steel plate.

Adding vanadium as an alloying element to 5CrNiMo die steel can refine its grain structure, improving its wear resistance and thermal fatigue performance. Forging can further refine the grain structure of the new vanadium-containing hot work die steel 5CrNiMoV sample, further enhancing the wear resistance and thermal fatigue performance of 5CrNiMoV die steel.

Hot work die steel H13 is a commonly used medium carbon chromium hot work die steel. Due to its excellent high-temperature strength, wear resistance, and thermal fatigue resistance, it is widely used in the manufacture of die-casting molds, hot forging dies, etc.