| 1. | Non - destructive testing of steel tubes - automatic ultrasonic testing of seamless and welded except submerged arc - welded steel tubes for the detection of laminar imperfections
钢管的无损检验.层状缺陷探测用无缝和焊接 |
| 2. | Non - destructive testing of steel tubes - part 3 : automatic eddy current testing of seamless and welded except submerged arc - welded steel tubes for the detection of imperfections
钢管的无损检验.第3部分:检测缺陷用无缝和焊接钢管 |
| 3. | Non - destructrive testing of steel tubes - part 14 : automatic ultrasonic testing of seamless and welded except submerged arc - welded steel tubes detection of laminar imperfections
钢管的无损检验.第14部分:层状缺陷检验用无缝钢管和焊接 |
| 4. | Petroleum and natural gas industries . non - destructive testing methods of steel tubers for pressure purposes . radiographic testing of the weld seam of submerged arc - welded steel tubes for the detection of imperfections
石油天然气工业.承压钢管无损检测方法.埋弧焊钢管焊缝缺欠的射线检测 |
| 5. | Non - destructive testing of steel tubes - part 2 : automatic eddy current testing of seamless and welded except submerged arc - welded austenitic and austenitic - ferritic steel tubes for verification of hydraulic leak - tightness
钢管的无损检验.第2部分:检验液压渗漏密封性用无缝和焊接奥氏体和奥氏体铁素体钢管 |
| 6. | Welding equipment consist of frame , automatic tracing stucture , automatic submerged arc - welding system and flux automatic recycling equipment , carry through automatic tracing and continues welding in the joins of steel cylinder
焊接速度快,劳动生产率高,设备自动化程度高,在焊接过程中,可任意改变焊接速度,设备占地面积小 |
| 7. | Petroleum and natural gas industries . non - destructive testing methods of steel tubers for pressure purposes . ultrasonic testing of the weld seam submerged arc - welded steel tubes for the detection of longitudinal and or transverse imperfections
石油天然气工业.承压钢管无损检测方法.埋弧焊钢管焊缝纵向和或横向缺欠的超声波检测 |
