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| Chinese National Standard Category: Metal casting and forging materials used for aviation and aerospace |
| English Title: | Classification of Disperse Porosity for ZL104 Alloy Castings |
| Chinese Title: | ZL104铸件分散状疏松的分级 |
| Standard No.: | QJ 1309A-2008 |
| Category No.: | V11 |
| Issued by: | |
| Issued on: | |
| Implemented on: | |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | QJ 1309-1990 |
| Word Count: | 4000 words |
| Similar Standards: | QJ 1309A-2008 HB 0-21-2008 QJ A 501-1998 HB 7801-2006 HB 7762-2005 QJ 3232-2005 HB 7780-2005 HB 963-2005 QJ A 1700-2004 HB 7739-2004 QJ 1700A-2004 HB 7738-2004 QJ 3186-2003 HB 0-10-2003 QJ 3185-2003 HB 6700-1993 HB 7717-2002 HB 7725-2002 HB 7726-2002 HB 7705-2001 |
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