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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 44051-2024 |
Non-destructive testing of welds-Phase-controlled array ultrasonic testing of thin-walled steel components-Acceptance levels {译} 焊缝无损检测-薄壁钢构件相控阵超声检测-验收等级 |
China National Standards Steel thin walled |
 English PDF |
| GB/T 43320-2023 |
Non-destructive testing of welds, ultrasonic testing, application of automatic phased array technology for thin-walled steel components {译} 焊缝无损检测 超声检测 薄壁钢构件自动相控阵技术的应用 |
China National Standards Steel thin walled |
English PDF |
| GB/T 31438-2015 |
Steel thin-walled sonic-testing tubes for concrete bored piles 混凝土灌注桩用钢薄壁声测管 |
China National Standards Steel thin walled |
English PDF |
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