Enhanced Bonding with Concrete: The surface of deformed steel has ridges or ribs that create a mechanical bond with the concrete, improving the overall strength of reinforced concrete and preventing slippage of the steel inside the concrete.
High Tensile Strength: Deformed steel is manufactured in multiple grades like Grade 60 (60,000 psi) そして Grade 75 (75,000 psi), ensuring that it can handle heavy loads and extreme stress in various construction projects.
Durability and Corrosion Resistance: Many deformed steel bars are treated to resist corrosion, making them suitable for use in harsh environments such as marine, 産業, or highly humid areas.
Seismic Resistance: Due to its ribbed design and high tensile strength, deformed steel provides enhanced resistance to the forces experienced during earthquakes, making it ideal for construction in seismic zones.

財産	価値
Surface	Deformed (ribbed, textured)
Grades	Grade 40, Grade 60, Grade 75
降伏強さ	Grade 40: 280 MPa (40,000 psi), Grade 60: 414 MPa (60,000 psi), Grade 75: 520 MPa (75,000 psi)
抗張力	400 MPa (58,000 psi) に 620 MPa (90,000 psi)
伸長	≥ 20%
化学組成	炭素 (C): ≤ 0.30%, マンガン (ん): 0.60-1.05%, リン (P): ≤ 0.04%, 硫黄 (S): ≤ 0.05%
Diameter	Typically 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, and up to 40mm
標準	ASTM A615, ASTM A706, BS 4449
長さ	Typically 6m, 9メートル, 12メートル, or customized

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