The tensile strength of ASTM A203/A203M Grade A steel depends on the thickness of the material. Generally, it is higher than 485MPa. For pressure vessels and other steel structures, this is an ideal material with excellent weldability and excellent dimensional stability.

The specific heat of ASTM A203/A203M Grade F steel is 0.494 Btu/lb-°F, meaning that it requires 0.494 Btu of energy to raise one pound of ASTM A203/A203M Grade F steel one degree Fahrenheit. This is a relatively high specific heat, which can be attributed to the high elemental mass energy density of steel, which is itself is due to its high carbon content. Additionally, ASTM A203/A203M Grade F has a higher specific heat than most other steels due to its molybdenum content, which enhances the steel's thermodynamics.

The thermal diffusivity of ASTM A203/A203M Grade D steel is approximately 7.21 mm2/s, meaning that it requires 7.21 mm of this material to dissipate one watt of energy per meter squared. This is a relatively high thermal diffusivity, which can be attributed to the steel's high carbon content. Additionally, ASTM A203/A203M Grade D has a higher thermal diffusivity than most other steels due to its molybdenum content, which enhances the material's thermal diffusion capabilities.

ASTM A203/A203M Grade B has a number of advantages over other types of steel. It has a high ductility, which makes it easier to form and shape without compromising its strength. Additionally, it has a high corrosion resistance and can withstand harsh conditions for longer periods without becoming corroded or weakened. In addition, its high resistance to fatigue makes it an ideal choice for use in high-duty applications. Finally, its high strength to weight ratio makes it a superior choice for projects that require the greatest efficiency in weight and strength.

The chemical composition of the steel is mainly composed of carbon, manganese, silicon, phosphorus, and sulfur. The mechanical properties of ASTM A203/A203M Grade E steel are very good and it has excellent weldability and corrosion resistance. The corrosion resistance of the material is further enhanced by its low alloy composition and higher Mn content. The weldability of the material is also very good due to its low carbon content and good toughness properties.