Qingdao Sande Technology Co., LTD
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Custom Forged Steel Collars and Wrought Iron Door Accessories
Product Overview
Crafted for strength, precision, and timeless elegance, our Custom Forged Steel Collars and Wrought Iron Door Accessories are engineered to enhance both security and aesthetics in high-end architectural and industrial applications. Combining traditional blacksmith techniques with modern fabrication, these components deliver unmatched durability while complementing classic and contemporary designs.
Key Features
1. Premium Materials & Construction
2. Custom Design Flexibility
3. Functional Applications
4. Durability & Protection
Product parameters
| Category | Parameter | Specification |
|---|---|---|
| Material | Base Metal | - Forged Steel Collars: AISI 1045/4140 high-carbon steel - Wrought Iron Components: EN 10025 S235JR mild steel |
| Surface Treatment | Hot-dip galvanized (50-80μm), powder coating (60-120μm), or antique patina finish | |
| Dimensions | Collar Diameter Range | 50mm - 300mm (custom sizes available) |
| Thickness | 6mm - 20mm (standard), up to 30mm (heavy-duty) | |
| Weight Tolerance | ±2% of nominal weight | |
| Mechanical Properties | Yield Strength | ≥ 355 MPa |
| Tensile Strength | 470-630 MPa | |
| Hardness | 150-200 HB (standard), up to 300 HB (hardened versions) | |
| Performance | Corrosion Resistance | Salt spray test: 500+ hours (galvanized), 1000+ hours (powder coated) |
| Temperature Range | -40°C to +150°C operational | |
| Load Capacity | Axial: Up to 12kN (standard), 25kN (reinforced) | |
| Design | Tolerance | ±0.5mm (machined surfaces), ±1.5mm (forged surfaces) |
| Custom Features | Available: Laser etching, embossed patterns, custom shapes | |
| Certifications | Standards | ASTM A668, EN 10204 3.1, ISO 1461 (galvanizing) |
| Compliance | RoHS, REACH compliant | |
| Packaging | Standard | Anti-corrosion VCI packaging, wooden crates for bulk shipments |
| Protection | Wax coating for bare metal versions |
Product application
1. Architectural & Construction
✔ Door & Gate Reinforcement – Steel collars provide anti-pry protection for hinges, lock housings, and pivot points.
✔ Fence & Railing Systems – Reinforce post connections and joints with load-bearing collars and brackets.
✔ Historical Restoration – Authentic wrought iron hinges, strapwork, and escutcheons for heritage buildings.
✔ Luxury Estates – Decorative hand-forged handles, knockers, and hinge plates for grand entrances.
2. Industrial & Infrastructure
✔ Heavy-Duty Gates – Forged steel collars strengthen warehouse doors, truck barriers, and industrial sliding gates.
✔ Structural Bracing – Reinforce steel beams, pipe supports, and load-bearing joints in factories and plants.
✔ Bridge & Safety Railings – Corrosion-resistant clamps and connectors for public infrastructure.
3. Security & High-Traffic Areas
✔ Prison & Military Facilities – Tamper-proof hinge reinforcements and anti-cut collars.
✔ Commercial Buildings – Secure yet stylish entryway hardware for offices, hotels, and banks.
✔ Perimeter Fencing – Vandal-resistant post sleeves and locking mechanisms.
4. Interior & Design Applications
✔ Loft & Industrial Decor – Exposed riveted collars, blackened steel straps for urban aesthetics.
✔ Custom Furniture – Reinforced table bases, shelf brackets, and decorative accents.
✔ Art Installations – Sculptural metal joints and ornamental wrought iron details.
Why Choose These Components?
✅ Unmatched Durability – Forged steel resists deformation under extreme loads.
✅ Aesthetic Versatility – Available in matte black, galvanized, or antique finishes.
✅ Custom Solutions – Tailored dimensions, engravings, and metallurgy for specialized needs.
Customer Commitment
We strive to deliver exceptional products and services, ensuring that every fitting meets the highest standards of quality and reliability. Choose us for your carbon steel forged pipe fitting needs and experience the difference in secure connections.