astm a588 a242 a606 anti corrosion weathering steel plate

ASTM A588, A242, and A606 are the most commonly used specifications for high-strength low-alloy steel (HSLA) when rust and atmospheric corrosion resistance are important. These three alloys are commonly referred to as weathering steels. They form an adherent protective barrier on the steel surface, thereby slowing down the corrosion process and increasing the corrosion resistance of the material.

The chemical composition of the three materials is similar, with the other key difference being their yield strength. A588 and A242 have yield strengths of 70 ksi and 50 ksi respectively, whereas A606 has a yield strength of 80 ksi. Additionally, A242 and A606 have a tensile strength of 50 ksi and 65 ksi respectively, whereas A588 has a higher tensile strength of 70 ksi.

The three alloys are used most commonly in applications such as bridges, steeples, storage tanks, towers and other structures where atmospheric corrosion resistance is required. A588 is often used in combination with a weathering steel core and galvanized facing that resists rust and provides a long lasting weather resistance to the core.

Weathering steel also known as Weathering alloy is a steel alloy that contains elements such as chromium, nickel, and copper which form an adherent protective layer on the surface of the steel that yields an excellent corrosion resistance. These alloys are used in a variety of applications such as bridges, tanks and other structures that are exposed to the elements.

ASTM A588, A242 and A606 offer excellent corrosion resistance in areas exposed to moisture and other elements. They have been used in a variety of industries including transportation and construction due to their strength and corrosion resistance. They are also frequently used in residential and commercial buildings. In addition to their ability to resist corrosion, these alloys are also excellent for painting and powder coating for additional design flexibility.

Weathering steel can also be easily welded, formed and machined. It is often used outdoors and outdoor-like locations due to its excellent impact and fatigue resistance, durability and resistance to abrasion. A588, A242 and A606 can greatly improve the durability and performance of structures in extreme weather conditions. With their excellent corrosion resistance and structural properties, these alloys are perfect for many structural applications.