Yield strength is the point in which a material permanently deforms or bends without breaking. The yield strength of ASTM A249/A249M A249 800H steel ranges from 250 MPa to 450 MPa, depending on the grade of steel and the desired characteristics. The higher the yield strength, the higher the steel's resistance to deformation and breaking before reaching its permanent deformation point.

ASTM A249/A249M A249 S31009 steel has good heat resistance. At temperatures up to 500°C, it has an Anti–Stick Coefficient (ASC) of 10. This means that the steel has a low tendency to adhere to liquids, which is beneficial when in contact with hot liquids. At high temperatures, ASTM A249/A249M A249 S31009 steel may slowly start to lose strength, but it will still be able to perform satisfactorily if used correctly.

ASTM A249/A249M A249 S30908 is an austenitic stainless steel specifically designed for use in boiler, superheater and heat exchanger tubes, which contain higher amounts of chromium and nickel compared to other stainless steels. This grade of steel is popular for its ability to resist corrosion and oxidation, and for its high strength-to-weight ratio. Due to its outstanding properties, it is ideal for a range of applications, such as pressure vessels, heat exchangers, and condensers.

The critical temperature of ASTM A249/A249M A249 Type 305 steel is 1050°C. This is the temperature at which the recovery time and corrosion resistance of the steel begin to be affected. Beyond this temperature, the relationship between the thermal properties of steel and the temperature at which they operate can vary. It is important to consider the temperature differential of the steel, as well as its critical temperature. The temperature differential, which is the difference between the temperature of operation of the steel and the surrounding environment, determines the stress and strain that the material may experience.

ASTM A249/A249M A249 Type 310H is a type of steel referred to as a welded austenitic steel boiler and super heater tubes. It is a carbon steel alloy primarily composed of chromium and nickel, and may also include other elements such as copper and molybdenum. The mechanical properties of ASTM A249/A249M A249 Type 310H are remarkable, making it a popular choice for many components in various industries, such as plumbing, heating, and cooling systems.

ASTM A249/A249M Type 347 steel has good heat resistance. At temperatures up to 500°C, it has an Anti–Stick Coefficient (ASC) of 10. This means that the steel has a low tendency to adhere to liquids, which is beneficial when in contact with hot liquids. At high temperatures, ASTM A249/A249M Type 347 steel may slowly start to lose strength, but it will still be able to perform satisfactorily if used correctly.

Mechanical properties include requirements for tensile strength, yield strength, hardness, elongation and fatigue limit. Chemical composition requirements range from simple limits on the levels of carbon, manganese and silicon to more complex limits on the levels of chromium, nickel and molybdenum in the steel.

ASTM A249/A249M Type 202 steel has good heat resistance. At temperatures up to 500°C, it has an Anti–Stick Coefficient (ASC) of 10. This means that the steel has a low tendency to adhere to liquids, which is beneficial when in contact with hot liquids. At high temperatures, ASTM A249/A249M Type 202 steel may slowly start to lose strength, but it will still be able to perform satisfactorily if used correctly.

Tensile strength is a measure of the amount of force that can be applied to a material before it is stretched beyond its yield strength. The tensile strength of ASTM A249/A249M N08926 steel can range from 310 MPa to 620 MPa, depending on the grade of steel used and the desired characteristics. The higher the tensile strength, the higher the steel's resistance to deformation and breaking.

Mechanical properties include requirements for tensile strength, yield strength, hardness, elongation and fatigue limit. Chemical composition requirements range from simple limits on the levels of carbon, manganese and silicon to more complex limits on the levels of chromium, nickel and molybdenum in the steel.