1.
Cause Analysis on Weld Brittleness of X80 Grade SSAW Pipe
X80级螺旋埋弧焊管焊缝脆化原因分析
2.
Effect of Outside Welding Groove Angle on Weld Quality of X80 Grade SSAW Pipe
外焊坡口角度对X80级螺旋埋弧焊管焊缝质量的影响
3.
Development of High Strength and High Toughness Sintered Flux Used in X80 Grade SSAW Pipe
X80级螺旋埋弧焊管用高强度高韧性烧结焊剂的研制
4.
Guide Bending Property Analysis on X80 Grade SSAW Pipe Used in the Second West to East Gas Pipeline Project
西气东输二线用X80级螺旋埋弧焊管导向弯曲性能分析
5.
Research on Strain Aging for X80 Grade HSAW Steel Pipe
X80级螺旋埋弧焊接钢管应变时效研究
6.
Effect of Prestrain on Tensile Properties for X80 Grade Spiral Submerged-arc Welding Steel Pipe
预应变对X80级螺旋缝埋弧焊接管线钢拉伸性能的影响
7.
Research on SAW Weld Toughness Fluctuation of X80 Grade Pipeline Steel
X80级管线钢埋弧焊焊缝韧性波动研究
8.
Effects of the Manufacturing Process Stages on the Mechanical Properties for X80 Grade SSAW Steel Pipe
X80钢级螺旋焊钢管力学性能研究
9.
Trial Production X80 SSAW Pipe for the West to East Gas Pipeline Project
西气东输二线工程用X80级埋弧焊管的试制
10.
Inside Weld Crack Analysis and Control of SSAW Pipe
螺旋埋弧焊管内焊缝裂纹分析与控制
11.
R&D of Φ1219 mm X80 LSAW Linepipe for No.2 West-East Gas Transmission Pipeline Project
西气东输二线管道工程用X80钢级Φ1219mm直缝埋弧焊管的研发
12.
The Development of Submerged Arc Welding Material for X80 Pipeline Steel;
X80管线钢用埋弧焊接材料的研制
13.
Generation and Elimination of Slag in Gas Pocket of Spiral Submerged Arc Welded Pipe
螺旋埋弧焊管焊缝夹珠型气孔的形成与消除
14.
The Prediction of SSAW Pipe Weld Reinforcement Based on BP Neural Network
基于BP神经网络的螺旋埋弧焊管焊缝余高预测
15.
Scattering Lines Screen in Radial Inspection of SSAW Pipe
螺旋埋弧焊钢管拍片检测中散射线的屏蔽
16.
The Effect of Machinery Expand on the Residual Stress of X80 LSAW Pipe;
机械扩径对X80直缝埋弧焊管残余应力的影响
17.
Inside Weld Tiny Crack Analysis and Control of SSAW Pipe with Heavy Wall-thickness
大壁厚螺旋埋弧焊管内焊缝微裂纹的分析及控制
18.
Porosity Causes Comprehensive Analysis and Preventive Measure of SSAW Pipe
螺旋缝埋弧焊管焊缝气孔产生原因综合分析及防止措施