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Flanging crystallizer copper tubes excel in multi-strand bloom casters producing sections like 230x230 mm or 320x410 mm billets for structural steel and heavy sections. The flanged design improves upper sealing and gas exhaust, minimizing breakouts and enabling longer campaigns. Steel plants use them to increase steel flow rates from 13,000 tons per tube, enhancing productivity in demanding continuous casting operations.
Flanging crystallizer copper tube specifications include pouring sections from 230x230 mm to 320x410 mm, tube lengths around 800 mm, water gaps of 4 mm with flow rates >10 m/s, and water pressure >0.8 MPa. Made from CuAg or Cu-Cr-Zr alloys, they feature chrome-plated inner walls, thickened upper flanges (up to 50 mm), O-ring seals, and exhaust hoses connected to return pipes for optimal cooling.
Flanging crystallizer copper tubes boost steel throughput by optimizing cooling flow fields, eliminating bubbles via exhaust systems, and preventing flange deformation for campaigns over one year. They reduce maintenance, cut costs, and lower breakout risks through reliable sealing and vibration control. Suited for integrated steel mills and bloom casters producing construction and engineering steels.
| Attribute | Parameter | Description |
|---|---|---|
| Product Name | Flanging Crystallizer Copper Tube | Copper mould tube with integrated flanges for secure mounting in CCM crystallizers. |
| Application | CCM billet, round, rectangular casting | Flanged design facilitates easy installation and alignment in continuous casting machines. |
| Copper Grade | Cu-DHP / TP2 / C12200 / Cu-Ag | Deoxidized high-conductivity copper for optimal thermal performance and weldability. |
| Cross-section Shapes | Square / Round / Rectangular | Versatile shapes: billets 60x60–700x700 mm; rounds Φ80–Φ1320 mm; rectangular 70x110–550x720 mm. |
| Flange Type | Integral machined flanges | Precision flanges ensure tight sealing and vibration resistance during oscillation. |
| Size Range (Square) | 60x60–700x700 mm | Covers full market demand for square billet casters. |
| Size Range (Round) | Φ80–Φ1320 mm | Wide diameter range for round billet and bloom production. |
| Size Range (Rectangular) | 70x110–550x720 mm | Suitable for beam blank and special rectangular sections. |
| Length | 700–1000 mm (custom) | Standard lengths with arc radius R3500–R16000 mm for various casters. |
| Wall Thickness | 6–50 mm | Optimized for heat transfer and structural integrity in flanged design. |
| Taper Design | Single / double / multi-taper | Multi-taper inner cavity supports high-speed casting and uniform solidification. |
| Coating | Ni-Co-Cr / Hard chrome plating | Wear-resistant coating protects flanges and tube surface during service. |
| Thermal Conductivity | ≥390 W/m·K | High conductivity ensures efficient cooling through flanged structure. |
| Surface Finish | Mirror polish, Ra ≤0.1 μm | Smooth finish on inner surface and flanges reduces friction and wear. |
| Hardness (Coated) | HRC 40–50+ | Enhanced durability for flanged areas under thermal cycling. |
| Dimensional Tolerance | Wall ±0.1 mm; flange flatness ≤0.05 mm | Precision tolerances critical for flanged tube performance and sealing. |
| Cooling Method | Water-cooled with flange channels | Integrated cooling paths in flanges and walls for optimal heat removal. |
| Service Life | 500–1000 heats | Flange design and coatings extend operational life in demanding casters. |
| Standards | All market sizes / OEM custom | Covers complete specifications required by steel mills worldwide. |
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