The chemical composition of A704/A704M-17 steel grade consists of carbon (C), manganese (Mn), phosphorus (P), sulfur (S), silicon (Si), chromium (Cr), nickel (Ni), molybdenum (Mo), and vanadium (V).
– Carbon (C) strengthens the steel and improves its hardness.
– Manganese (Mn) enhances the tensile strength and improves the hardenability of the steel.
– Phosphorus (P) improves the machinability and strength of the steel.
– Sulfur (S) enhances the machinability of the steel but decreases its toughness.
– Silicon (Si) enhances the strength and hardness of the steel.
– Chromium (Cr) improves the corrosion resistance and hardenability of the steel.
– Nickel (Ni) enhances the toughness and corrosion resistance of the steel.
– Molybdenum (Mo) improves the strength, hardness, and high-temperature resistance of the steel.
– Vanadium (V) increases the strength, toughness, and wear resistance of the steel.
The mechanical properties of A704/A704M-17 steel grade include tensile strength, yield strength, elongation, and reduction of area. The specific values for these properties depend on the heat treatment and processing of the steel.
A704/A704M-17 steel grade is commonly used in various applications where a combination of high strength, hardness, and corrosion resistance is required. Some of its common applications include:
1. Structural components in the construction industry, such as buildings, bridges, and offshore structures.
2. Machinery and equipment manufacturing, including gears, shafts, and machine parts.
3. Automotive industry for manufacturing high-strength components, such as chassis parts and suspension systems.
4. Oil and gas industry for pipelines, storage tanks, and drilling equipment.
5. Aerospace industry for aircraft structural components and engine parts.
6. Tooling and cutting applications due to its high hardness and wear resistance.
The standard number for A704/A704M-17 steel grade refers to the specific standard specification established by ASTM International (formerly known as the American Society for Testing and Materials). This standard provides guidelines for the chemical composition, mechanical properties, and manufacturing processes for this steel grade.
The corresponding standard for A704/A704M-17 steel grade is essential for ensuring consistency and quality in the production and usage of this steel grade. Manufacturers, engineers, and end-users can refer to the standard to ensure compliance and make informed decisions about the suitability of this steel grade for their specific applications. The standard also facilitates comparison and interchangeability of materials among different industries and regions.