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Deformed Steel Rebar

Deformed steel rebar is a type of reinforcement bar widely used in the construction of concrete structures. It is manufactured with ribs, ridges, or indentations on its surface, which enhance the bond between the rebar and the surrounding concrete. This improved bond ensures that the rebar works effectively with the concrete to resist tensile stress and prevent cracking, making it an essential material in reinforced concrete construction. Deformed steel rebar is commonly used in the construction of high-rise buildings, 다리, roads, and other infrastructure projects that require significant strength and durability.

Deformed Steel Rebar

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Unique Features of Deformed Steel Rebar

Enhanced Bonding: The key feature of deformed steel rebar is its ribbed surface, which ensures a strong mechanical bond with concrete. This surface structure improves the overall strength of the reinforced concrete by increasing the surface area of contact.
Superior Durability: Deformed steel rebar offers high tensile strength, which enables it to withstand the stresses that concrete is subjected to over time. This makes it highly durable in applications like highways, dams, and bridges.
Variety of Grades: Deformed steel rebar comes in a variety of grades such as 등급 40, 등급 60, 그리고 등급 75, allowing it to meet different strength requirements based on project specifications. These grades ensure that it can be used in both light and heavy-duty applications.
Seismic Resistance: Due to its high strength and flexibility, deformed steel rebar is commonly used in construction in seismic regions, as it can absorb and distribute earthquake-induced forces more effectively than smooth rebar.

Technical Specifications for Deformed Steel Rebar

재산	값
Surface	Deformed (ribbed, textured)
Grades	등급 40, 등급 60, 등급 75
항복 강도	등급 40: 280 MPa (40,000 psi), 등급 60: 414 MPa (60,000 psi), 등급 75: 520 MPa (75,000 psi)
인장강도	400 MPa (58,000 psi) 에게 620 MPa (90,000 psi)
연장	≥ 20%
화학 성분	탄소 (기음): ≤ 0.30%, 망간 (망): 0.60-1.05%, 인 (피): ≤ 0.04%, 황 (에스): ≤ 0.05%
Diameter	Typically 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, and up to 40mm
기준	ASTM A615, ASTM A706, BS 4449
길이	Typically 6m, 9m, 12m, or customized