Carbon Steel Rebar
Carbon Steel Rebar, or reinforcing bar, is a tensioning device made from carbon steel, characterized by a surface with ribs or deformations to enhance the bond with concrete. Its primary purpose is to strengthen concrete by absorbing tensile, shear, and compressive stresses, as concrete is naturally weak in tension. Rebar is graded by its minimum yield strength (e.g., Grade 60/420 MPa). It is an essential component used to build the internal structure of foundations, columns, beams, and slabs in virtually all construction and civil engineering projects.
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- Commodity name: Carbon Steel Rebar
Carbon Steel Rebar, or reinforcing bar, is a tensioning device made from carbon steel, characterized by a surface with ribs or deformations to enhance the bond with concrete. Its primary purpose is to strengthen concrete by absorbing tensile, shear, and compressive stresses, as concrete is naturally weak in tension. Rebar is graded by its minimum yield strength (e.g., Grade 60/420 MPa). It is an essential component used to build the internal structure of foundations, columns, beams, and slabs in virtually all construction and civil engineering projects.
Carbon Steel Rebar Description
Applications
Civil Infrastructure Residential & Commercial Construction Energy & Utilities Transportation Precast Concrete Industrial Facilities Mining & Tunneling Water Management Maritime Structures Agricultural Structures Product Parameters
Product Name Carbon Steel Rebar (Reinforcing Bar) Type Hot-rolled Ribbed Bar (HRB), Deformed Bar Designation HRB400 (Hot-rolled Ribbed Bar with $\ge 400 \text{ MPa}$ Yield Strength) Diameter (Nominal) 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm, 40mm Length 9m, 12m, or Custom Cut Lengths Standard GB/T 1499.2 (Equivalent to ASTM A615 Grade 60, JIS SD390) Surface Deformed/Ribbed (for strong concrete bonding) Scope of Application Reinforcement in concrete structures for highways, bridges, dams, airports, high-rise buildings, and all general construction where high tensile strength is required. Certificate ISO, SGS, CQC (China Quality Certification), Mill Test Certificate (MTC) Production Technology Continuous High-Speed Hot Rolling, Thermo-Mechanical Treatment (TMT) Delivery Form Straight Bar (typically ≥ 12mm), Coiled Bar (≤10mm) Example Grade Approximation Table
Standard System UNS GB/T 1499.2 (China) ASTM (USA) Approx. EN (Europe) Approx. JIS (Japan) Approx. Grade (Approx.) K04120 HRB400 Grade 60 B500A SD390 Chemical Composition
Element C (Carbon) Mn (Manganese) Si (Silicon) P (Phosphorus) S (Sulfur) Ceq Composition (wt%) ≤0.25 ≤1.60 ≤0.80 ≤0.045 ≤0.045 ≤0.54 Mechanical Properties
Property Standard Requirement (GB/T) Yield Strength (ReL}) (MPa) 400 - 540 Tensile Strength (Rm) (MPa) ≥540 Rm/ReL (Strength Ratio) ≥1.10 Elongation Agt (%) ≥ 5 -
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Carbon Steel Rebar - Product Measurement
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