The paper introduced pipe internal welding machine's composition, necessary equipment and unique advantage in large diameter thick wall pipe construction.
介绍管道内焊机的结构、配套设备及在大口径厚壁管道施工中的独到优点。
Annealing process is the key process to ensure the quality of stainless thick wall pipe. The improper operation and adjusting will induce the quality problem.
不锈钢薄壁焊管退火(固溶处理)是保证产品质量的关键工序，在实际生产中如操作和调整不当都会出现质量问题。
The end trumpet and end triangle can be eliminated if a rolling process with three angles rotating is used for thick wall pipe rolling and other processes for thin wall pipe rolling.
采用三转角轧制法轧制厚壁管和相反的操作法轧制薄壁管可消除喇叭口与尾三角。
Our company specialize in various specifications of the stainless steel tube, stainless steel square tubes, stainless steel seamless tube, stainless steel mirror tube, capillary, thick wall pipe!
专业供应各种规格的不锈钢管，不锈钢方管，不锈钢无缝管，不锈钢镜面管，毛细管，厚壁管！
Thick wall pipes are the core component of so called "four pipe" system for thermal power. It is important to apply circumferential guided wave technique to nondestructive testing of thick wall pipes.
厚壁管道是火电机组四大管道系统的核心部件，将超声导波技术应用于厚壁管道的无损检测显得十分重要。
The induction heating equipment and heat treatment process of thick-wall pipe were reconstructed.
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。
And the design can ensure the stability of diameter and roundness when producing the pipe with thick wall.
特殊设计可以拥有稳定的直径尺寸和圆整度，可以适合生产厚壁管的需要。
The low temperature thick-wall GRP pipe of the present invention has no delamination, and has excellent mechanical property and heat isolating performance.
用本发明所述的方法制作低温厚壁玻璃钢管，不会出现分层现象，且具有良好的力学性质和隔热性能。
This article studies the ring die's high temperature wear-resistance in the process of manufacturing the heavy caliber thick-wall seamless steel pipe.
阐述了超高层建筑大直径厚壁钢管的加工新工艺、新技术要求；提出防止焊接裂纹及振动时效消除焊接应力的措施。
Special design of basket die head of for HDPE(PP, ABS) large diameter pipe with thick wall offer lower melting temperature, good mixing, lower pressure of cavity , and stable production.
特殊设计的HDPE（PP，ABS）篮式膜具，使溶解温度更低，拥有好的混合效果，低的机头压力，并有好的稳定产量。
Special design of basket die head of for HDPE(PP, ABS) large diameter pipe with thick wall offer lower melting temperature, good mixing, lower pressure of cavity , and stable production.
特殊设计的HDPE（PP，ABS）篮式膜具，使溶解温度更低，拥有好的混合效果，低的机头压力，并有好的稳定产量。
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