板厚A Plate Thickness	原板尺寸 Full Size Plate	板厚公差 Tolerance for Plate thickness	调质Hardening And Tempering	制造方法 Method of Manufacturing
10	300×1000	±0.20	HT	冷轧   Cold  Rolling
20	300×1000	±2.0	HT	热锻黑皮  Hot forged Slag Skull
30	300×1000	±2.0	HT	热锻黑皮  Hot forged Slag Skull
50	300×1000	±2.0	HT	热锻黑皮  Hot forged Slag Skull

数据（参考值）Data

特性   Mechanical   Properties 板厚   30mm Plate Thickness  30mm
抗拉强度Tensile Strength	延伸Elongation	布氏硬度 Brinell Hardness	比重Specific Density	导电率 Conductivity
380以上Over	15以上Over	110以上Over	8.89	75以上Over

化学成分（%）Chemical Composition（%）
Cu	Pb	Fe	Sn	Zn	其它  Miscellaneous
剩余Residual	--	--	--	--	Cr 0.7~1.2

概述 Summarization
铬-铜合金，导电性好，机械特性及耐热性优异。主要作为电极材料，用于电阻焊接用点焊电极等。
Cromiumcopper alloy is of great electrical conductivity , mechanical properties and heat resistance . It is mainly used as electrode material for spot welding electrode and seaming welding electrode for resistance welding .
进货商品（尺寸）信息Information for Purchase of Goods（Size）
以下尺寸也能从日本进货 The goods in the following sizes may also be purchased from Japan.