直径A Diameter	原棒尺寸 Fullsize Round Bar	直径尺寸公差 Tolerance for Diameter	调质Hardening And Tempering	制造方法 Method of Manufacturing	每米重量 Weight Per Meter（KG）
10	2000	±0.06	T4	冷拔 Cold  Drawing	0.22
20	2000	±0.33	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	0.88
25	2000	±0.33	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	1.37
30	2000	±0.39	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	1.98
35	2000	±0.39	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	2.69
40	2000	±0.47	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	3.52
50	2000	±0.47	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	5.50
60	2000	±0.79	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	7.92
70	2000	±0.79	T4	冷轧或热挤压Cold drawing or  hot extrusion pressing	10.78

A2017  铝圆棒 〔17S丸棒〕  A2017  Round Aluminum Bar	JIS  规格 H4040   A2017B JIS Specification  H4040  A2017B
	相当于 GB3190  LY11            Equivalent  to  GB3190  LY11
	ASTM  2017

数据（参考值）Data

特性 Mechanical Properties 直径100mm Diameter 100mm
抗拉强度Tensile Strength	屈服强度Resistance	延伸Elongation	布氏硬度 Brinell Hardness	比重Specific Density	导电率Conductivity	热传导度Thermal  Conduction Degree	纤细膨胀系数 SLinear Expansion Coefficient
345以上Over	215以上Over	12以上Over	105	2.79	34	0.13	23.6

化学成分（%）Chemical Composition（%）
Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Al	其他Miscellaneous
0.2~0.8	0.7	3.5~4.5	0.4~1	0.4~0.8	0.1	0.25	0.15	剩余Residual	Zr+Ti 0.2以下 Zr+Ti Below 0.2

概述 Summarization
2000系列的铝-铜合金。虽然耐腐蚀性较差，但强度高，切削加工性良好。在圆棒中，在日本与A5056一样是一种最常用的商品。主要用于一般零部件，航空用材，汽车用部件等。
This is a kind of 2000 serial aluminum-copper alloy.Although its corrosion resistance is relatively inferior , its strength is high and the cutting workability is excellent . It is one of the most common used products like A5056 in Japan . It is mainly used for ordinary parts , aviation materials and automobile fittings.

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.