ASTM A573/A573M A573 Grade 70 is a versatile steel, as it can be used in a variety of applications that require mechanical properties. It is often used in pressure vessels, storage tanks, and structural components. Its good weldability and machinability make it suitable for use in a number of fabricating processes. It can also be used in the construction of bridges, in the automotive and transportation industry, and in construction equipment.

ASTM A573/A573M A573 Grade 65 is composed of iron and carbon as its primary components. The iron component typically makes up the majority of the material, typically around 98%. It also contains small amounts of other elements, such as manganese, phosphorus, sulfur, copper, and silicon. Additionally, the material may contain trace amounts of other elements such as aluminum and zinc. These small amounts of additional elements can have a significant effect on the final properties of the material.

Heat conductivity is the measure of a material's ability to transfer heat energy from one point to another. It is an important property in engineering, as it affects the performance of heating and cooling devices and products, as well as the durability of structures. ASTM A573/A573M A573 Grade 450 steel has an average thermal conductivity of 54.1 W/m-K at room temperature. This is higher than other common structural steels, such as ASTM A36 and ASTM A500, which have thermal conductivities of 29.8 W/m-K and 28.6 W/m-K, respectively. The high thermal conductivity of ASTM A573/A573M A573 Grade 450 steel means that it is a good choice for applications requiring efficient heat transfer, such as radiators, heat exchangers, and air conditioners.

ASTM A573/A573M A573 Grade 485 is composed of iron and carbon as its primary components. The iron component typically makes up the majority of the material, typically around 98%. It also contains small amounts of other elements, such as manganese, phosphorus, sulfur, copper, and silicon. Additionally, the material may contain trace amounts of other elements such as aluminum and zinc. These small amounts of additional elements can have a significant effect on the final properties of the material.

ASTM A573/A573M A573 Grade 400 steel is a general-purpose structural steel with a number of beneficial properties. Its primary components are iron and carbon, withsmall quantities of other elements. The material is divided into four groups based on its mechanical properties, with each group being suited for different applications. Thanks to its combination of mechanical and chemical properties, it is ideal for use in areas where strength and toughness, as well as corrosion resistance, are required.

ASTM A573/A573M A573 grade 58 steel is highly resistant to corrosion in normal atmospheric conditions. This is due to the chromium and molybdenum content of the material, which give its additional corrosion resistance. The chromium content helps to form a protective oxide layer on the surface that shields the material from further corrosion. Additionally, the molybdenum content increases this layer to help make the material even more resistant to corrosion.

Due to its composition, the mechanical properties of ASTM A573/A573M Grade Gr70 steel can be affected. The mechanical properties of this material are determined by the composition, heat treatment, and test conditions of the material. This material has a minimum yield strength of 485 MPa, a minimum tensile strength of 605 MPa, an elongation of 22%, and a notch toughness of 24. Additionally, the material has a minimum Brinell hardness of 159.