Customized Size 12-300mm Hot Rolled Carbon Steel Flat Bar in 440 GCr15 1020 1045 Grades for Construction and Industrial Applications
Flat steel refers to rectangular cross-section steel with widths ranging from 12-300mm and thicknesses from 3-60mm, featuring slightly blunt edges. Available as finished steel or as raw material for welding pipes and rolling sheets.
- Hoop iron manufacturing
- Industrial tools and mechanical parts
- Building frame structural components
- Escalator construction
- Framework, braces, and supports
- Base plates and ornamental fence construction
Our inventory includes flat bars in multiple steel grades including 440 GCr15, 1020, 1045, 40Cr, SAE 1045, C45, and S45C carbon steels.
Ideal for general fabrication, maintenance, agricultural implements, and transportation equipment. Easy to weld, cut, form, and machine.
Manufactured from rolled steel with close dimensional accuracy and smooth surface finish. Commonly used in fixtures, mounting plates, and machine components.
Lightweight and corrosion-resistant, suitable for framework, braces, supports, trim, gussets, and mounting plates.
| Width (mm) | 4mm | 5mm | 6mm | 7mm | 8mm | 9mm | 10mm | 11mm | 12mm | 14mm | 16mm | 18mm | 20mm | 22mm | 25mm | 28mm | 30mm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 0.38 | 0.47 | 0.57 | 0.66 | 0.75 | ||||||||||||
| 14 | 0.44 | 0.55 | 0.66 | 0.77 | 0.88 | ||||||||||||
| 16 | 0.5 | 0.63 | 0.75 | 0.88 | 1 | 1.15 | 1.26 | ||||||||||
| 18 | 0.57 | 0.71 | 0.85 | 0.99 | 1.13 | 1.27 | 1.41 | ||||||||||
| 20 | 0.63 | 0.79 | 0.94 | 1.1 | 1.26 | 1.41 | 1.57 | 1.73 | 1.88 |
- Quality First: Strict adherence to production standards and inspection protocols
- Competitive Pricing: Market-based discounts and cost-effective solutions
- Transaction Security: Complete financial protection for customer funds
- After-Sales Guarantee: Comprehensive support for customer issues
- Long-Term Cooperation: Sustainable partnerships through quality and 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 Binzhou, Liaocheng, Wuxi, Tianjin, Jinan, and Tai'an, the company operates over 100 production lines with 4 nationally recognized laboratories and multiple technical centers.
We are a direct factory with over 30 years of production experience, supported by professional technical, production, and overseas sales teams.
We offer superior products with competitive pricing and professional export business services.
Honesty is our core principle. We can provide contact information from existing clients for reference verification.
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