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Both Rex 45 and M4 are high-performance tool steels. The choice between them depends on specific applications. Rex 45 offers higher hardness and wear resistance, making it great for slicing and precision cutting tools. M4 is tougher and more impact-resistant, suitable for heavy-duty cutting and impact applications.

HSS (High-Speed Steel) contains alloying elements for high-temperature cutting, while HCS (High Carbon Steel) is a basic carbon steel. HSS is used for cutting tools, while HCS is used for general cutting applications.

Bearing steel is optimized for durability and load-bearing, ideal for bearings and gears. Stainless steel prioritizes corrosion resistance, used in applications requiring hygiene, like food processing and medical equipment.

The density of stainless steel can vary depending on the specific alloy composition. On average, the density ranges from about 7.70 to 8.05 grams per cubic centimeter (g/cm³) or approximately 0.278 to 0.291 pounds per cubic inch (lb/in³).

Tool steel contains alloying elements for durability and resistance to wear, ideal for tools and machinery. Carbon steel is primarily iron and carbon, chosen for general-purpose applications and affordability.

Tool steel contains alloying elements for durability and resistance to wear, ideal for tools and machinery. Carbon steel is primarily iron and carbon, chosen for general-purpose applications and affordability.

The 440 stainless steel guide helps users choose the best grade (440a stainless steel, 440b stainless steel, or 440c stainless steel) based on applications. It’s vital for cutlery, surgical instruments, and high-wear industrial components.

416R stainless steel is a premium, highly machinable alloy used in firearm barrels. Its excellent machining properties and corrosion resistance make it ideal for precision rifle and handgun barrels.

8Cr13MoV stainless steel is a budget-friendly option with good corrosion resistance and sharpness retention. It’s commonly used in low-cost knives and blades for everyday use and outdoor activities.

The 300 series stainless steel (e.g., 304) offers excellent corrosion resistance, suitable for applications like food processing and construction. In contrast, the 400 series stainless steel (e.g., 410) has lower corrosion resistance and is primarily used in areas like cutlery and appliance manufacturing.