钢管

The hot dipping alumetizing technology for 20G seamless steel tube was studied.

对20G无缝钢管的热浸渗铝工艺进行了研究和试验。

The test of sulphurized tufftride process for treating the hot piercing punch for steel pipes is introduced.

绍了钢管热冲孔凸模硫氮碳共渗工艺试验。

Abstract: The hot dipping alumetizing technology for 20G seamless steel tube was studied.

对20G无缝钢管的热浸渗铝工艺进行了研究和试验。

Technical scheme, design, construction and application of steel pipe soil nail combining rabbling pile in a foundation ditch support in Shenzhen.

绍了深圳某基坑支护工程钢管土钉与搅拌桩组合支护技术方案、设计、施工及应用情况。

Piercing mill is the most important equipment on the rolling pipe line,and the frame is the nucleal component of the piercing mill.

孔机是轧制钢管的重设备,而机架又是孔机的核心组成部分。

The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced;character of roller prebending and mould press type prebending is analyzed.

对螺旋埋弧焊钢管在程中咬边的原因进行了分析,提出了针对这些原因应采取的相应措施。

The article describes the setting-up and optimalization of the process parameters for the twohigh rotary pipe sizer employed by the 170 Seamless Steel Tube Plant,Daye Special Steel Corp.Ltd.

绍了大冶特殊钢股份有限公司170无缝钢管厂二辊回转定径机工艺参数的选择和优化情况。

TPCO Iron-making Subsidiary adopts a stoppage method of dropping the stock level with vacant stockline to expose the staves inside the blast furnace in order to replace the damaged ones.

绍了天津钢管制铁有限公司为了更换高炉损坏的冷却壁,采取了空料线降料面的停炉方法裸露冷却壁的实践。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。