Exploring the Properties and Applications of A786/A786M-15 Steel Grade

Exploring the Properties and Applications of A786/A786M-15 Steel Grade

The A786/A786M-15 steel grade is a standard specification for hot-rolled carbon, low-alloy, high-strength low-alloy, and alloy steel floor plates. It covers the requirements for steel floor plates intended for use in bridges, buildings, and other structures.

The chemical composition of A786/A786M-15 steel grade is as follows:

– Carbon (C): Not exceeding 0.33%
– Manganese (Mn): 0.60-1.60%
– Phosphorus (P): Not exceeding 0.030%
– Sulfur (S): Not exceeding 0.030%
– Silicon (Si): 0.15-0.40%
– Copper (Cu): Not exceeding 0.60%
– Nickel (Ni): Not exceeding 0.60%
– Chromium (Cr): Not exceeding 0.30%
– Molybdenum (Mo): Not exceeding 0.08%
– Vanadium (V): Not exceeding 0.02%

The mechanical properties of A786/A786M-15 steel grade include:

– Tensile strength: 400-550 MPa
– Yield strength: 250 MPa minimum
– Elongation: 20% minimum in 8 inches and 23% minimum in 2 inches
– Brinell hardness: 140-180 HBW

The A786/A786M-15 steel grade is commonly used in the construction industry for its high-strength and durability. It is suitable for applications where a strong and resistant material is needed, such as floor plates in buildings, bridges, and heavy machinery.

The steel grade is often utilized in structural applications where the weight and strength of the material are crucial. It offers excellent weldability, good formability, and high resistance to wear and tear.

Furthermore, A786/A786M-15 steel grade meets the quality and performance standards set by the American Society for Testing and Materials (ASTM). It ensures that the material’s mechanical properties and chemical composition are consistent and reliable.

Overall, A786/A786M-15 steel grade is a versatile and reliable material choice for various structural and construction applications due to its high strength, durability, and good formability.

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