热轧管

Φ114mmCPE热轧管机组试生产情况

Trial Production of Φ 114 mm CPE Pipe Hot-rolling Mill Train

通过对主导产品Φ108mm×4.5mm热轧管销量的预测，从理论上、实践上详尽阐述了趋势&季度变动预测模型在实际生产经营中的具体运用，同时对模型的正确性也进行了实际验证。

Taking sales forecast of the main product , the φ 108 mm × 4.5 mm hot-rolled tube as an example , the author elaborates theoretically and practically how the model for forecast of " Trend-Season " change is used in actual production and sales .

20热轧管坯用钢裂纹成因分析及改进措施

Cause analysis for cracks in 20 # hot rolled pipe billet steel and improving measures

介绍了在Φ76mm自动轧管机组上试产小直径热轧荒管的有关工艺及参数，生产中需采取的技术措施。

Introduced in the paper are relevant processes , process data and technical measures taken for the trial operation of the Φ 76mm plug mill line to produce small-sized hot-rolled mother tubes .

介绍了用二辊或三辊轧机试轧φ57～76mm小直径热轧荒管的工艺参数、轧辊和芯棒的力能参数、荒管的表面质量及几何尺寸精度等。

The article gives a description to the process parameters , roll and mandrel performance parameters , surface quality and dimensional accuracy of 57mm ~ 76mm small-diameter pipes hot-rolled on two-roll tube mill or on three-roll tube mill .

小直径热轧荒管的生产工艺研究

Investigation on production process of hot-rolled small-diameter tube

热轧张减管青线问题的探讨

An Approach to the Roll Trace on Hot Rolled Stretch Reducing Tubes

在热轧厚壁管时，容易出现内六方缺陷，这是一个世界性的难题。

The internal hexagonal defect is apt to occur during hot rolling thick tube , which is a worldwide problem .

热轧20G高压锅炉管在线常化工艺

On-line normalizing process for hot-rolled grade 20g high pressure boiler pipes

天津钢管公司φ250限动芯棒连轧机组浅述介绍了天津钢管公司轧管厂Φ250mm限动芯棒连轧管机组热轧20G高压锅炉管的在线常化工艺。

The co-authors introduce the on-line normalizing process for Grade 20G high-pressure boiler pipes hot - rolled with the φ 250mm retained mandrel mill line at Tube-rolling Plant , Tianjin Steel Tube Corp.

热轧工艺对冷拔管横裂缺陷的影响

Effect of hot - rolled process on transversal crack of cold draw pipe