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Help CenterSteel Rebar & Deformed Steel Bar，HRB400、HRB400E、HRB500、HRB500E
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1. Product Overview
Deformed Steel Bar is hot rolled ribbed steel bar with continuous transverse ribs on the surface. As essential reinforced building material, Deformed Steel Bar can form firm bonding force with concrete, effectively bear tensile load in concrete structures.
Steel Rebar is the most widely used trade name of ribbed reinforcement in global steel market. Steel Rebar has stable mechanical indicators, accurate dimension tolerance and good bending and welding performance, which is the primary raw material for infrastructure construction.
Reinforcement Steel Bar is the standard professional term for concrete reinforcing steel. Reinforcement Steel Bar follows unified international standards, supports fixed-length cutting and customized production, and satisfies large-scale procurement demands of overseas construction projects.
2. Product Classification
2.1 Classification by Strength Grade
HRB400 / HRB400E: Ordinary seismic grade, widely used in civil buildings and general construction projects
HRB500 / HRB500E: High strength seismic grade, suitable for high-rise buildings, bridges, large industrial structures
HRB335: Medium strength grade, applied for conventional small and medium construction projects
2.2 Classification by Execution Standard
GB Standard: HRB400E, HRB500E
ASTM Standard: Grade 40, Grade 60
BS Standard: B500B
DIN Standard: BSt500
2.3 Classification by Delivery Form
Straight Steel Rebar: Fixed lengths 6m, 9m, 12m, the most common delivery type
Coiled Reinforcement Steel Bar: Small diameter coil rebar, easy for secondary processing
3. Production Process Flow
All Deformed Steel Bar, Steel Rebar and Reinforcement Steel Bar are produced on advanced continuous hot rolling lines:
Steel billet incoming inspection and sorting
High temperature uniform heating
Continuous rough rolling and precision finish rolling
Online controlled cooling treatment
Cooling bed natural cooling and stabilization
Straightening, dimension inspection and surface inspection
Fixed-length cutting, bundling, marking and warehousing
Precise controlled rolling and cooling technology ensures uniform internal structure, stable yield and tensile strength, and excellent seismic toughness of finished Deformed Steel Bar.
4. Technical Parameters
Execution Standards: GB 1499.2, ASTM A615, BS 4449, DIN 488
Diameter Range: 6mm – 40mm
Standard Length: 6m, 9m, 12m, customizable fixed length
Main Grades: HRB400, HRB400E, HRB500, HRB500E
Core Performance: High tensile strength, excellent ductility, stable seismic resistance, good bending and welding performance
5. Core Product Advantages
Strong Concrete Bonding: The uniform rib design of Deformed Steel Bar greatly enhances friction and occlusion with concrete, effectively preventing structural separation and improving building stability.
Reliable Seismic Performance: Seismic grade Steel Rebar has low yield ratio and strong deformation resistance, suitable for high-standard construction and earthquake-prone areas.
Stable Mechanical Properties: Reinforcement Steel Bar adopts strict temperature control and rolling process, with consistent batch performance and no brittle fracture risk.
Complete Specification Coverage: Multiple diameters and strength grades meet different structural load and design requirements.
Complete Qualification Documents: MTC, inspection reports and full set of export documents can be provided for engineering acceptance and bidding.
6. Usage Precautions
Select suitable grade and diameter of Deformed Steel Bar, Steel Rebar and Reinforcement Steel Bar according to engineering design; seismic structures must adopt E-series seismic grades.
Store in dry and ventilated warehouse, avoid long-term outdoor stacking to prevent excessive rust affecting bonding effect.
Avoid violent collision during transportation to prevent rib damage and end deformation.
Follow standard bending radius during processing to avoid surface cracking.
Standardize welding operation to ensure welding joint strength and structural safety.
7. Application Fields
Building Construction: Deformed Steel Bar used for high-rise buildings, residential buildings, commercial buildings, foundation and beam-column reinforcement.
Transportation Infrastructure: Steel Rebar widely applied in highways, bridges, tunnels, railways, airports and port projects.
Municipal & Hydraulic Engineering: Reinforcement Steel Bar for urban pipe galleries, water conservancy dams, sewage treatment and municipal supporting projects.
Industrial Engineering: Factory workshops, warehouses, power plants, chemical plants and other reinforced concrete structures.
8. Packaging, Delivery & Services
Packaging: Standard steel wire bundling with clear marking of specification, grade and batch number; seaworthy packaging for export orders.
Delivery Time: Conventional specifications in stock (3–7 working days); customized sizes 7–15 working days.
Documents: Mill test certificate, packing list, commercial invoice and full export certificates available.
Deep Processing: Support fixed-length cutting, bending, threading and customized processing.
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