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国内阀门材料常用技术标准 碳钢焊条（2）_阀门标准
国内阀门材料常用技术标准 碳钢焊条（2）
| 焊 脚 尺 寸 | 凸度（不大于） | 两焊脚之差 |
| ≤3.2 | 1.2 | 0.8 |
| ≤4.0 | 1.2 | |
| ≤4.8 | 1.6 | 1.6 |
| ≤5.6 | 2.0 | |
| ≤6.4 | 2.4 | |
| ≤7.1 | 2.8 | |
| ≤8.0 | 2.0 | 3.2 |
| ≤8.7 | 3.6 | |
| ≤9.5 | 4.0 |
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