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SPARKAL® X Tungsten Copper Plates for EDM Electrodes
SPARKAL® X Tungsten Copper Plates
Technical data SPARKAL® X (W75/Cu25)
• Type: impregnated product (WCu)
• Density: 15.00 ± 0.30 g/cm³
• Hardness: > 200 HV10
• Electrical conductivity: > 30 % IACS
• Composition: W 75 % / Cu 25 % (Cu 23 ± 3 %; others < 0.6 %)

Available sizes (SPARKAL® X plates)
• 3 × 75 × 350 mm — thickness tolerance 0 /+ 0.30 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 6 × 75 × 350 mm — thickness tolerance 0 /+ 0.30 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 8 × 75 × 350 mm — thickness tolerance 0 /+ 0.36 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 10 × 75 × 350 mm — thickness tolerance 0 /+ 0.43 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 15 × 75 × 350 mm — thickness tolerance 0 /+ 0.43 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 20 × 75 × 350 mm — thickness tolerance 0 /+ 0.52 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• 25 × 75 × 350 mm — thickness tolerance 0 /+ 0.52 mm; width 0 /+ 0.74 mm; length 0 /+ 1.0 mm
• Other sizes available from stock or on request

Notes
• All plates have standard width 75 mm and length 350 mm.
• Supplied with ground or drawn surface finish.
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