Introduction
Carbon steel hot-rolled round steel (GB/T715-1989) is a kind of steel product sold in the market. It is a widely used steel product in many industrial applications. The properties of the carbon steel hot-rolled round steel (GB/T715-1989) used in the industry can affect its performance in different applications. This paper will discuss the properties of carbon steel hot-rolled round steel (GB/T715-1989) and its typical uses in industries.
Chemical composition
Carbon steel hot rolled round steel (GB/T715-1989) is produced from carbon steel with a certain metal composition expressed by mass fraction. The chemical composition of carbon steel hot rolled round steel (GB/T715-1989) is mainly composed of carbon (C), silicon (Si), manganese (Mn), sulfur (S) and phosphorus (P).
C: 0.12-0.21%, Si: ≤0.40%, Mn: 0.45-0.85%, S: ≤0.045%, P: ≤0.045%.
Mechanical properties
Carbon steel hot-rolled round steel (GB/T715-1989) has a certain strength and ductility, which are mainly related to its chemical composition and alloying elements. The mechanical properties of carbon steel hot-rolled round steel (GB/T715-1989) include tensile strength, yield strength, elongation and hardness.
Tensile strength: ≥420 MPa
Yield strength: ≥320 MPa
Elongation: ≥23%
Hardness: ≤193HB
Uses
Carbon steel hot-rolled round steel (GB/T715-1989) is widely used in various industries for a variety of applications. It is used for the production of fasteners, shafts, gears, crankshafts and other mechanical parts. Carbon steel hot-rolled round steel (GB/T715-1989) is also used for the production of pipes, tubes and other pipes and metal products.
Conclusion
Carbon steel hot rolled round steel (GB/T715-1989) is a kind of steel product sold in the market with a certain metal composition. The chemical composition of carbon steel hot rolled round steel (GB/T715-1989) is mainly composed of carbon (C), silicon (Si), manganese (Mn), sulfur (S) and phosphorus (P). The mechanical properties of carbon steel hot-rolled round steel (GB/T715-1989) include tensile strength, yield strength, elongation and hardness. Carbon steel hot-rolled round steel (GB/T715-1989) is widely used in various industries for a variety of applications such as the production of fasteners, shafts, gears, crankshafts and other mechanical parts.