厚壁管

LF（21）铝合金厚壁管的拉伸工艺试验

The Draw Test of LF_ ( 21 ) Alloy Thick-wall Tube

厚壁管窄间隙全位置焊接侧壁熔透技术研究

Investigation on side weld penetration technique of all position narrow gap and thick walled pipe welding

PE厚壁管坯制造管件的优势及应用

The Advantages and Application of Fitting Manufacture with PE Hollow Bar

厚壁管全位置焊接可变增益PID弧长调节器的设计

Design of Changeable Gain Arc length PID Controller for All-position Welding of Thick-wall Pipe

并介绍了与单半径孔型和双半径孔型比较，W成型的优点及在厚壁管生产中的应用实例。

Then , they introduced the advantages of W-bend forming and its application in thick-walled tube production .

HDPE厚壁管挤出过程的模拟

The simulation of extrusion process for HDPE thick wall pipe

厚壁管TIG根焊摇摆手法焊接技术

Swing Welding Technology of TIG Root Welding on Heavy Thickness Pipe

在厚壁管窄间隙全位置TIG焊中，弧长是影响焊接质量最敏感的焊接参数之一。

The arc length is one of the most sensitive parameters that influence welding quality at all position TIG welding .

φ120～108mm不锈钢厚壁管生产工艺研究

Production process of 20 ~ 108mm diameter thick-walled stainless steel pipe

本文介绍了小直径厚壁管（φ3242×35mm）全位置焊接工艺与设备的研究。

This work contributes to the study of the all position welding technology for small thick-walled tubes φ 32 ~ 42 × 3 ~ 5mm and its equipment .

介绍了φ20～108mm×4～10mm规格的不锈钢厚壁管穿孔、冷变形和热处理工艺要点。

The key points of piercing , cold deformation and heat-treatment process of 20 ~ 108mm × 4 ~ 10mm thick-walled stainless steel pipes are presented .

厚壁管双向扩口镦粗的新工艺

New Process of Expanding and Upsetting in the Thick Wall Tube

大直径厚壁管气电立焊焊接技术研究

Study of electrogas arc welding technique for major diameter thick-walled pipe

大径厚壁管焊接中射线检验应注意的技术问题

Knowledge of radiographic inspection of large-diameter and thick-wall pipes during welding

厚壁管中间检验过程中几个参数的选取

Selection of Several Parameters during Intermediate Inspection of Thick-walled Pipe

厚壁管焊接接头中间射线检验技术

Radiographic inspection of the welds in thick-wall pipes during welding

浅析小口径厚壁管γ射线透照工艺

γ - ray radiography for pipes with small diameter and thick wall

冷拔超厚壁管生产工艺的开发

Development of cold drawn process of Ultra-wall thickness steel tube

套筒类零件的厚壁管生产新工艺

New Technology of Thick Wall Tube of Sleeve-Like Part

高频厚壁管焊接的影响因素

Influence Factor of High Frequency Thick Wall Tube Welding

厚壁管感应加热技术改造

Improvement on Induction Heating Technology for Thick Wall Pipe

高强钢厚壁管失效评定图技术研究

Research of the failure assessment diagram technology of thick-walled high strength steel tubings

冷轧（拔）特厚壁管的生产

Cold rolling ( drawing ) of pipe s with over - thick wall

三辊轧管机组厚壁管轧制壁厚不均研究

Research of non-uniform wall thickness of heavy-wall tube rolled by three-high tube mill

对厚壁管感应加热设备及热处理工艺进行了重新设计改造。

The induction heating equipment and heat treatment process of thick-wall pipe were reconstructed .

厚壁管闭式镦粗有限元分析及实验研究

FEM analysis and experiment on closed - die upsetting of thick - wall tubes

用三辊斜轧减径工艺生产厚壁管

Heavy-wall pipe production with three-high cross-rolling reducing process

厚壁管窄间隙全位置焊小电流自动接触引弧方法的应用研究

Investigation on Tiny Current Automatic Touch-starting Method of All-position Narrow Gap and Thick-walled Pipe Welding

厚壁管有芯镦锻成形极限的研究

A study on forming limit of thick cylinder under axial pressure with support of mandrel

厚壁管的自增强损伤残余应力计算模型

Autofrettage Damage Residual Stress of Thick-walled Cylinder