Level wound copper tube coil (LWC) Brand name of Straight Copper Tube. LWC coilSeamless phosphorus deoxidized copper tubes LWC coil Seamless tough-pitch copper tubesSeamless copper tubesC1100, 1020, 1220, other alloyManufacturing limit of:Level wound copper tube coilOutside diameter: 4mm - 22.22mmThickness: 0.3mm - 3.5mmCoil weight: 80kg - 100kg - 150kg - 200kg - 250kg - 300kg - 500kg Application of level wound copper tube coilLWC copper tube coil for air conditioner and refrigeratorCopper tube for water tube service and distributionLWC copper tube coil for fire protection, solar, fuel/fuel oilLWC copper tube coil for natural gas, liquefied petroleum (LP) gasLWC copper tube coil for HVAC, snow melting, drain, waste, vent pipingLWC copper tube coil for re-drawing use Straight Copper Tube for heat exchange use