钢管

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

介绍了钢热冲孔凸模硫氮碳共渗试验。

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

对20G无缝钢的热浸渗进行了研究和试验。

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

摘要介绍了深圳某基坑支护程钢土钉与搅拌桩组合支护技术方案、设计、施及应用情况。

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

穿孔是轧制钢的重要设备,而架又是穿孔的核心组成部分。

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.

对螺旋埋弧焊钢在生产过程中产生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.

介绍了大冶特殊钢股份有限公司170无缝钢辊回转定径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.

介绍了天津钢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暂时卸下一部分，以便人们利用空位来装底舱。