Polished Tungsten Copper Bars W75 Cu25

• Customization: Available
• Application: Electronics, Industrial
• Standard: GB, ASTM
• Model NO.: WCu-1
• Purity: 75% W, 25% Cu
• Alloy: Alloy
• Shape: Bars
• Type: Tunsten Copper Alloy Bars
• Brand No: W75%, Cu25%
• Surface: Polished
• Density: 14.5g/cm3
• Transport Package: Wooden Boxes Wrapped Plastic Foam
• Specification: ISO9001: 2000
• Trademark: shibo
• Origin: Henan, China
• HS Code: 81019990
• Production Capacity: 20tons/Month

Product Description

Polished tungsten copper alloy bars
The alloy is the composite of tungsten and copper which own he excellent performance of tungsten and copper

Specification:
Surface: Ground, polished
Dia: 2-100mm.
Length: 10-500mm
W/Cu: W(50-90%)/Cu(10-50%)

Character:
1.better heat resistant;
2.better ablate-resistant;
3.high intensity    
4.high density;
5.excellent thermal and electrical conductivity;
6.easy to be machined.

Application:
1) Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
2) Electrodes in electric spark erosion cutting machines
3) Heat sinks as passive cooling elements of electronic devices
4) Electrodes for Resistance Welding.
 

Brand and NO.	Chemical components%			Physical properties
	Cu	Total impurities ≤	W	Density (g/cm³) ≥	Hardness HB ≥	Resistivity (µΩ·cm) ≤	Conductivity IACS%≥	Bending strength Mpa≥
CuW(50)	50±2.0	0.5	Bal.	11.85	115	3.2	54
CuW(55)	45±2.0	0.5	Bal.	12.30	125	3.5	49
CuW(60)	40±2.0	0.5	Bal.	12.75	140	3.7	47
CuW(65)	35±2.0	0.5	Bal.	13.30	155	3.9	44
CuW(70)	30±2.0	0.5	Bal.	13.80	175	4.1	42	790
CuW(75)	25±2.0	0.5	Bal.	14.50	195	4.5	38	885
CuW(80)	20±2.0	0.5	Bal.	15.15	220	5.0	34	980
CuW(85)	15±2.0	0.5	Bal.	15.90	240	5.7	30	1080
CuW(90)	10±2.0	0.5	Bal.	16.75	260	6.5	27	1160