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Crystallizer assemblies are deployed in multi-strand billet casters (100x100-350x350 mm), slab casters (140x300-750 mm), and round billet lines (Ø120-Ø800 mm) for steel grades from low-carbon to alloys. They handle arc radii R4000-14000 mm, enabling long campaigns in integrated mills and mini-mills producing rebar, plates, and wires. Vibration and cooling optimize shell growth, preventing sticking and cracks.
Crystallizer assembly specifications include tube/plate lengths 600-1200 mm, water gaps 4-10 mm with flow >10 m/s, and oscillation modes like trapezoidal waves at 100-300 cpm. Materials feature Cu-Cr-Zr alloys (>350 W/mK conductivity), chrome plating, and rigid frames weighing <5 tons for dynamic stability. Custom designs match billet sizes and caster geometry.
Crystallizer assemblies boost steel throughput (300,000+ tons/year per strand) via uniform cooling, reduced inertia (95% less dynamic load), and self-lubrication, extending life >10,000 tons/tube. They cut energy use, downtime, and defects like corner cracks, suiting high-volume steel production for construction, automotive, and energy sectors.
| Attribute | Parameter | Description |
|---|---|---|
| Product Name | Crystallizer Assembly | Complete mould assembly for continuous casting machines including copper tube/plate, water jackets, and vibration system. |
| Application | CCM billet/slab/round casting | Transforms molten steel into solidified billets/slabs through rapid cooling and oscillation. |
| Main Components | Copper mould tube/plate, water jacket, flanges, vibration device | Copper mould for heat extraction; water jacket for cooling; vibration prevents sticking. |
| Copper Mould Types | Tube (billet/round) / Plate (slab) | Tube for square/round billets; plate for slabs with funnel/parallel designs. |
| Supported Billet Sizes | Square 100×100–350×420 mm; Round Ø120–Ø800 mm | Covers standard billet ranges; slabs 140×300–750 mm. |
| Arc Radius Compatibility | R4000–R14000 mm | Matches various CCM machine geometries and casting radii. |
| Cooling System | Narrow water gap, high-speed water channels | Uniform cooling avoids boiling; removes heat efficiently for shell formation. |
| Oscillation Types | Synchronous (rectangular), negative slide (trapezoidal), self-oscillating | Vibration reduces friction, prevents cracks, and aids billet withdrawal. |
| Vibration Frequency | High precision, reduced dynamic load | Self-oscillating design minimizes weight (95% less gravity force) for stability. |
| Material Standards | Cu-Ag / Cu-DHP copper alloys | High thermal conductivity with wear-resistant coatings for durability. |
| Service Life | 500–1000+ heats (assembly) | Dependent on copper mould quality, cooling, and maintenance. |
| Key Requirements | Light weight, high rigidity, good vibration inertia | Ensures precise oscillation and structural integrity under thermal loads. |
| Customization | Per steel grade, capacity (100k–300k tons/year) | Tailored for low carbon/alloy steels, site conditions, and OEM specs. |
| Industries | Steel mills with CCM | Essential for billet/slab production in integrated and mini-mills. |
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