Brass Wire Variety: phosphor bronze wire, brass wire, copper wire Characteristcs: better abrasion resistance, better corrosion resistance, higher strength and lower electrical conduductivity. Usage: widely applied in welding machine, transformer, reactor and other high-end appliances. All kinds of specifications and sizes are available . SWG Wire Diameter （mm） SWG Wire Diameter （mm） SWG Wire Diameter （mm） 3 6.401 18 1.219 33 0.254 4 5.893 19 1.016 34 0.234 5 5.385 20 0.914 35 0.213 6 4.877 21 0.813 36 0.193 7 4.470 22 0.711 37 0.173 8 4.046 23 0.610 38 0.152 9 3.658 24 0.559 39 0.132 10 3.251 25 0.508 40 0.122 11 2.946 26 0.457 41 0.112 12 2.642 27 0.417 42 0.102 13 2.337 28 0.376 43 0.091 14 2.032 29 0.345 44 0.081 15 1.829 30 0.315 45 0.071 16 1.626 31 0.295 46 0.061 17 1.424 32 0.274 47 0.051