SAE 1020 S20C SS440 A36 Hot Rolled Steel Round Bar 5.5-250mm Diameter for Industrial Applications
Zhengde Steel Round Bar refers to solid steel strips with circular cross-sections, available in diameters ranging from 5.5mm to 250mm. These round bars are manufactured through hot-rolled, forged, or cold-drawn processes to meet diverse industrial requirements.
Hot-rolled round steel specifications range from 5.5-250mm diameter:
- 5.5-25mm: Supplied in bundled straight strips, ideal for bolts and mechanical components
- Above 25mm: Primarily used for manufacturing mechanical parts or as seamless steel pipe billets
| Diameter (mm) | Weight (kg/m) | Diameter (mm) | Weight (kg/m) |
|---|---|---|---|
| 6 | 0.222 | 14 | 1.21 |
| 8 | 0.395 | 17 | 1.78 |
| 10 | 0.617 | 19 | 2.23 |
| 12 | 0.888 | 21 | 2.72 |
| 22 | 2.98 | 63 | 24.5 |
| 25 | 3.85 | 70 | 30.2 |
| 28 | 4.83 | 85 | 44.5 |
| 30 | 5.55 | 95 | 55.6 |
| 32 | 6.31 | 105 | 68 |
| 34 | 7.13 | 115 | 81.5 |
| 36 | 7.99 | 125 | 96.3 |
| 38 | 8.9 | 130 | 104 |
| 40 | 9.86 | 140 | 121 |
| 42 | 10.9 | 150 | 139 |
| 45 | 12.5 | 160 | 158 |
| 48 | 14.2 | 170 | 178 |
| 50 | 15.4 | 180 | 200 |
| 53 | 17.3 | 190 | 223 |
| 56 | 19.3 | 220 | 298 |
Round bars feature smooth, circular surfaces without grains or ribs, providing superior bonding characteristics with concrete compared to other steel bars that may have surface grooves or ribs.
- Quality First: Strict adherence to production standards throughout manufacturing and inspection processes
- Price Advantage: Competitive pricing based on real-time market analysis
- Transaction Security: Guaranteed protection of customer funds
- After-Sales Guarantee: Comprehensive support for customer issues
- Long-Term Cooperation: Sustainable partnerships 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.
- Five production and sales bases across Binzhou, Liaocheng, Wuxi, Tianjin, Jinan, and Tai'an
- Over 100 production lines with advanced manufacturing technology
- 4 nationally recognized laboratories for quality assurance
- 2 technical engineering centers and 5 enterprise technology centers
- Global export network serving 50+ countries including North America, South America, Europe, Africa, Oceania, Middle East, and Southeast Asia
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