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一、Manufacturing process：
Sand castings, Metal mold castings, Low pressure castings, Die castings
1）Cast aluminium
| Material Specification for cast aluminium | Material Specification for cast aluminium | |
| Country | Standard | Class / Grade |
| USA | ASTM B686 | A03560, A13560, A14130, A03550, A03280 |
| Germany | DIN 1725 | G-AlSi7Mg, G-AlSi12, G-AlSi10Mg, G-AlSi5Cu |
| France | NF A57-701-4 | A-S7G, A-S13, A-S9G/A-S10G |
| Japan | JIS H5202 | AC4C, AC3A, AC4A, AC4D, AC4B |
| International | ISO 3522 | Al-Si7Mg, Al-Si12, Al-Si10Mg |
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