Zd-Hrr4 Hot-Rolled Ribbed Steel Rebar 6-90mm Diameter ASTM A6/A6M-07 BS 4-1 1993 Standards
Zhengde fine-grain hot-rolled steel bars (HRBF series) include grades HRBF335, HRBF400, and HRBF500, with seismic-grade variants marked with E suffix (HRB400E, HRBF400E). These reinforcement bars are manufactured to international standards including ASTM A6/A6M-07, BS 4-1 1993, EN 10024, and JIS G 3192.
| Diameter (mm) | Weight (kg/m) | 4.25d (mm) | Cross-section (cm²) | Rebar Type |
|---|---|---|---|---|
| 10 | 0.616 | 43 | 0.785 | HRB335/10 |
| 12 | 0.888 | 51 | 1.131 | HRB335/12 |
| 14 | 1.208 | 60 | 1.539 | HRB335/14 |
| 16 | 1.578 | 68 | 2.011 | HRB335/16 |
| 18 | 1.998 | 77 | 2.545 | HRB335/18 |
| 20 | 2.466 | 85 | 3.142 | HRB335/20 |
| 22 | 2.984 | 94 | 3.801 | HRB335/22 |
| 25 | 3.853 | 106 | 4.909 | HRB335/25 |
| 28 | 4.834 | 119 | 6.158 | HRB335/28 |
| 32 | 6.313 | 136 | 8.042 | HRB335/32 |
| 36 | 7.990 | 153 | 10.179 | HRB335/36 |
| 40 | 9.865 | 170 | 12.566 | HRB335/40 |
| 45 | 12.485 | 191 | 15.904 | HRB335/45 |
| 50 | 15.413 | 213 | 19.635 | HRB335/50 |
Fine-grain hot-rolled steel bars with seismic-grade options for structures requiring enhanced earthquake resistance. Available in diameters ranging from 6mm to 90mm to meet diverse construction requirements.
Comprehensive stock of rebar in diameters 6, 8, 10, 12, 16, 20, 25, 32, 40, and 50mm. Standard lengths of 6-12 meters available. Capable of shipping up to 10,000 tons within three days.
Strict surface quality control with straight-cut ends, free from cracks, scars, and folds. Maximum bending tolerance of 0.4% of total length to ensure optimal performance in concrete structures.
Widely used in residential buildings, bridges, roads, and civil engineering projects. High demand for 8mm, 10mm, and 12mm diameters, with increasing requirements for 14mm and 16mm sizes in large-scale infrastructure.
- Strict adherence to international production and inspection standards
- Competitive pricing based on real-time market conditions
- Secure transaction processing and financial protection
- Comprehensive after-sales support and problem resolution
- Long-term partnership focus through quality assurance and sincere service
Shandong Zhengde Metal Manufacturing Co., Ltd. is an integrated enterprise specializing in hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, steel wires, metal mesh, stainless steel, aluminum, copper, and other metal products. With five production bases across China and over 100 production lines, the company maintains 4 nationally recognized laboratories and exports to more than 50 countries worldwide.
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