ASTM B702 Electrical Contact
Our company's tungsten copper is produced by vacuum infiltration and meets the copper and tungsten standards of STM B702. JXMATECH tungsten-copper alloy corresponding to international grades: Class 10; Class 11; Class 12; Class A; Class B; Class C; CW55; CW68; CW70; CW70; CW75; CW80; 1W3; 3W3; 5W3; 10W3; 30W3; 40W3; 50A3; A1WC; Sparkal X; Sparkal X Fin; VFG30; VFG20; A30Ni; A25NiF; A20NiF; A15Ni;
we also casts any of the rare earth metals and most other advanced materials into rod, bar or plate form, as well as numerous other machined shapes, nanomaterials, and in the form of solutions and organometallic compounds.
Composition | Density gr/cc | IACS % | Hardness HB Kgf/mm2 | Bend Strength MPa |
W55 Cu45 | 12.30 | 49 | 125 | |
W60 Cu40 | 12.75 | 47 | 140 | |
W65 Cu35 | 13.30 | 44 | 155 | |
W70 Cu30 | 13.80 | 42 | 175 | 667 |
W75 Cu25 | 14.50 | 38 | 195 | 706 |
W80 Cu20 | 15.15 | 34 | 220 | 736 |
W85 Cu15 | 15.90 | 30 | 240 | 765 |
W90 Cu10 | 16.75 | 27 | 260 | 804 |