焊接接头等级是根据标准（如GJB 481、QJ 2695）对焊接接头划分的质量等级，分为I级、II级和III级。不同等级对应不同的检验要求、允许缺陷范围和检验标准，根据产品的受力情况、结构特点、工作条件和可靠性等因素确定，用于区分不同重要程度的焊件及其失效后果。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| CB 813-2008 规范 |
General specification for torpedo weldings
|
2008-03-17 行业标准-船舶 |
| GJB 294A-2005 试验/规范 |
Fusion welding of aluminium and aluminium alloys
熔焊 |
2005-04-11 国家军用标准-国防科工委 |
| GJB 724A-1998 试验 |
Stainless steel resistance spot welding and seam welding quality inspection
|
1998-07-27 国家军用标准-总装备部 |
| HB 5363-1995 规范 |
Welding process quality control
焊接工艺规程 |
1995-1-1 行业标准-航空 |
| QJ 1666A-2011 规范 |
Technical requirements for fusion welding of titanium and titanium alloy
|
2011-07-19 行业标准-航天 |
| QJ 176A-1999 规范 |
Ground equipment fusion welding technical conditions
熔焊 |
1999-04-02 行业标准-航天 |
| QJ 2205-1995 规范 |
Aluminum alloy resistance spot and seam welding technical conditions
|
1995-01-13 行业标准-航天 |
| QJ 2695-1995 规范 |
Titanium and titanium alloy resistance point, seam welding technical conditions
|
1995-01-13 行业标准-航天 |
| QJ 2696-1995 规范 |
Titanium and titanium alloy resistance point, seam welding process
|
1995-01-13 行业标准-航天 |
| QJ 2697-1995 规范 |
Magnesium alloy fusion welding technical conditions
|
1995-01-13 行业标准-航天 |
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