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Main Chemical Composition ：Cu≥99.95%, O≤0.003%, P≤0.002%, S≤0.004%.

Physical Properties：

Den. ：ρ ≥8.93g/cm3

Cond. ： ≥ 98% IACS

Correspondence heat conductivity：λ＝381.8W/M·K

Mechanical Properties：

T. S. ：δb ≥200 N/mm2

Yield Limit ：δa (0.2) ≥ 40 N/mm²

Elongation ：δs ≥ 40 %

Hardness ：HB ＞40

Metallographic Structure of Hot-rolling structure，Grain≤5mm.

Furnace cooling wall