# CladCore — Products > Copper-clad steel conductor product lines — combining copper conductivity with steel strength. 21 / 30 / 40 / 55% IACS, ASTM B452 / B227 / B229, ±1µm tolerance. ## Wire & Conductors - [Copper Clad Steel Wire](/products/copper-clad-steel.md): IACS 21% – 55% · ASTM B452 · 0.10 – 4.00 mm - [Coated Conductors](/products/coated-conductors.md): Tin · Silver · Nickel · Enameled · Multi-layer plating - [Stranded CCS Cable](/products/stranded-wire.md): 7 · 19 · 37 strand · Bunch & concentric lay · S or Z