The standard number corresponding to the A686-92(2016) steel grade is ASTM A686-92(2016). This standard specifies the requirements for hot-rolled carbon steel bars for mechanical purposes. The A686-92(2016) steel grade is commonly used in various applications where good mechanical properties and strength are required.
The chemical composition of A686-92(2016) steel grade is as follows:
– Carbon (C): 0.35 – 0.42%
– Manganese (Mn): 0.60 – 0.90%
– Phosphorus (P): 0.040% maximum
– Sulfur (S): 0.050% maximum
These elements are essential in determining the steel’s strength and hardness. Carbon provides the steel’s strength and hardness, while manganese enhances the steel’s hardenability. Phosphorus and sulfur, on the other hand, are impurities that should be minimized to improve the steel’s machinability and overall quality.
The mechanical properties of A686-92(2016) steel grade are as follows:
– Tensile Strength: 75,000 – 85,000 psi (517 – 586 MPa)
– Yield Strength: 45,000 – 70,000 psi (310 – 483 MPa)
– Elongation in 2 inches: 16 – 20%
– Reduction of Area: 50 – 55%
– Hardness: 321 – 375 Brinell
These mechanical properties highlight the steel’s strength, toughness, and ability to resist deformation under tension. The high tensile and yield strength values make A686-92(2016) suitable for applications that require high strength and durability.
In summary, the A686-92(2016) steel grade is a hot-rolled carbon steel with a specified chemical composition and mechanical properties. This steel grade is commonly used in various applications where high strength, hardness, and durability are required. The standard ASTM A686-92(2016) provides the specifications and guidelines for manufacturing and testing this steel grade.