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SPARKAL® X Tungsten Copper Round Bars for EDM Electrodes
SPARKAL® X Tungsten Copper Round Bars
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 round rods)
• Ø 8 × 350 mm — diameter tolerance 0 /+ 0.22 mm; length 0 /+ 1.0 mm
• Ø 10 × 350 mm — diameter tolerance 0 /+ 0.22 mm; length 0 /+ 1.0 mm
• Ø 12 × 350 mm — diameter tolerance 0 /+ 0.27 mm; length 0 /+ 1.0 mm
• Ø 14 × 350 mm — diameter tolerance 0 /+ 0.27 mm; length 0 /+ 1.0 mm
• Ø 16 × 350 mm — diameter tolerance 0 /+ 0.27 mm; length 0 /+ 1.0 mm
• Ø 18 × 350 mm — diameter tolerance 0 /+ 0.27 mm; length 0 /+ 1.0 mm
• Ø 20 × 350 mm — diameter tolerance 0 /+ 0.33 mm; length 0 /+ 1.0 mm
• Ø 25 × 350 mm — diameter tolerance 0 /+ 0.33 mm; length 0 /+ 1.0 mm
• Ø 30 × 350 mm — diameter tolerance 0 /+ 0.33 mm; length 0 /+ 1.0 mm
• Ø 35 × 350 mm — diameter tolerance 0 /+ 0.39 mm; length 0 /+ 1.0 mm
• Ø 40 × 350 mm — diameter tolerance 0 /+ 0.39 mm; length 0 /+ 1.0 mm
• Ø 45 × 350 mm — diameter tolerance 0 /+ 0.39 mm; length 0 /+ 1.0 mm
• Ø 50 × 350 mm — diameter tolerance 0 /+ 0.39 mm; length 0 /+ 1.0 mm
• Ø 60 × 350 mm — diameter tolerance 0 /+ 0.46 mm; length 0 /+ 1.0 mm
• Ø 70 × 350 mm — diameter tolerance 0 /+ 0.46 mm; length 0 /+ 1.0 mm
• Ø 80 × 300 mm — diameter tolerance 0 /+ 0.54 mm; length 0 /+ 1.0 mm
• Ø 90 × 230 mm — diameter tolerance 0 /+ 0.54 mm; length 0 /+ 1.0 mm
• Other sizes available from stock or on request

Notes
• Length varies depending on nominal diameter.
• Bars supplied with ground or drawn surface finish.
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