德国牌号 Alumunium DIN 230 相对应中国 牌号

那是铝板DIN230，具体对应是什么铝材。我还得查查工具书。可惜没有悬赏分。没有心思啊

Material 铸造铝合金die-casting alloy MS03230
This material is derived from:

- DIN 1725, Blatt 2 (GD-ALSi9Cu3) and/or
- EN 1706:1998 (EN AC-AlSi9Cu3[Fe] )
a. Chemical analysis
The chemical analysis of the representative sample of each lot of ingots shall be conform to the following:
Silicon 8,8 ... 9,8%
Copper 2,7 ... 3,5%
magnesium 0,20 ... 0,50%
iron 0,50 ... 1,00%
manganese 0,15 ... 0,30%
zinc 1,20% max.
nickel 0,3 % max.
titanium 0,15% max.
tin 0,1 % max.
lead 0,2 % max.
others total 0,15% max. (each 0,05% max.)
Fe + 2Mn + 3Cr 1,5 max
aluminum remainder
b. Physical properties
1. The amounts of impurities (foreign matter, porosity, oxide, etc.) total 2% max.
2. Impurities spread over a section of an ingot are not permissible.
c. Mechanical properties
These properties represent average values and are for informational