ASTM A36 ASME SA36 Varnished Hot-Rolled Steel Flat Bar 100x100mm to 600x300mm for Construction and Industrial Use
Zhengde Steel Square Bar is a high-performance carbon steel material widely used in construction, machinery manufacturing, and logistics applications. Manufactured to ASTM A36 and ASME SA36 standards, these hot-rolled rectangular section steel bars offer exceptional mechanical properties including high strength, excellent toughness, superior plasticity, and reliable wear and corrosion resistance.
- High carbon content for superior mechanical performance
- Excellent strength and load-bearing capacity
- Outstanding toughness and plasticity
- Enhanced wear and corrosion resistance
- Available in hot-rolled and cold-drawn variants
- Varnished surface protection for extended durability
| H*W | H*B | t1 | t2 | r | cm² | kg/m | IX | IY | ix | iY | Wx | WY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100*100 | 100*100 | 6 | 8 | 10 | 21.9 | 17.2 | 383 | 134 | 4.18 | 2.47 | 76.5 | 26.7 |
| 125*125 | 125*125 | 6.5 | 9 | 10 | 30.31 | 847 | 294 | 5.29 | 3.11 | 136 | 47 | |
| 150*150 | 150*150 | 7 | 10 | 13 | 40.55 | 31.9 | 1660 | 564 | 6.39 | 3.73 | 221 | 75.1 |
| 175*175 | 175*175 | 7.5 | 11 | 13 | 51.43 | 40.3 | 2900 | 984 | 7.5 | 4.37 | 331 | 112 |
| 200*200 | 200*200 | 8 | 12 | 16 | 64.28 | 50.5 | 4770 | 1600 | 8.61 | 4.99 | 477 | 160 |
Our steel square bars are manufactured using advanced hot-rolling and cold-drawing processes. Hot-rolled square steel is produced by heating billets to optimal temperatures and pressing through precision rolling machinery, delivering superior mechanical properties. Cold-drawn square steel undergoes additional cold-working for smooth surface finishes while maintaining excellent performance characteristics.
- Construction: Structural beams, columns, foundations, and bridge components
- Machinery Manufacturing: Machine bases, bearing housings, and equipment frames
- Logistics & Storage: Heavy-duty shelving systems and storage racks
- Industrial Fabrication: Custom metal structures and support systems
Shandong Zhengde Metal Manufacturing Co., Ltd. is a leading integrated enterprise specializing in hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, and various metal products. With five production bases across China, over 100 production lines, and multiple certified laboratories and technical centers, our products are exported to more than 50 countries worldwide including North America, Europe, Africa, and Southeast Asia.
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