The special requirement for the welding of X80 pipeline steel was described also.
还简述了X80管线钢对焊接的特殊要求。
A new method for showing the prior austenite crystal boundary corrosion, of pipeline steel has been also supposed.
同时探索出一种新的管线钢原奥氏体晶界腐蚀方法。
The buried steel pipeline is the main transmission carrier of oil and natural gas, but the corrosion of pipelines has created the serious economic loss for the oil-gas field and the country.
埋地钢质管道是石油与天然气的主要传输载体，但是管道的腐蚀给油气田和国家造成了严重的经济损失。
A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.
针对不同强度级别的管线钢x 70和L245对接的焊接工艺进行了研究。
This article introduces the special requirements for material of the modern high pressure gas pipeline and development of the pipeline steel both home and abroad.
介绍了现代高压输气管道对材料的特殊要求以及国内外管线钢的进展情况。
Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.
采用热模拟技术研究了X80管线钢在不同焊接热循环条件下晶粒及第二相粒子的变化。
In this paper, focused on researching on welding process of anti-SSCC X60 pipeline steel for ZHONG-WU pipeline.
该课题对于忠武输气管线拟采用的X60抗硫化物应力腐蚀管线钢进行了环焊缝焊接工艺研究。
But for the research of pipeline steel corrosion behavior in the western saline soil environments was rare, such kind of research is necessary to be carried out.
但目前针对这类管线钢在西部盐渍土环境中的腐蚀规律研究很少，因此有必要对其开展研究。
The welding residual stress is very high in X70 steel, it is dangerous for the pipeline performance under corrosion condition, and necessary to be eliminated.
研究发现X70钢的焊接残余应力相当高，这对管线在腐蚀环境运行是相当危险的，需要消除。
This paper has expounded the method and characteristics for laying city communication pipeline by the technique of steel truss, which is along the built bridge and striding over river.
本文阐述了采用钢桁架技术解决城市通信管道沿已建桥敷设跨河的方法和特点。
As anticorrosive paint for ship bottom, container exterior and bottom, underground pipeline and steel.
主要用于船底部位，集装箱外、底部，各种地下管道、钢铁产品的地下防腐蚀用漆。
In cold-formed steel structures, we need to open holes on flange and web of beams and columns for the purpose of getting through the pipeline.
在冷弯薄壁型钢结构中，为了降低层高而让管线从梁中通过，在梁和柱的腹板及翼缘中常需要开孔洞。
This paper introduces the experiment condition of pressure experiment for water supplying pipeline of glass steel, experiment technology and method.
介绍了玻璃钢供水管道现场压力试验的试验条件，试验工艺及试验方法，供同行参考。
For the natural gas transmission pipeline, the special steel pipe that can resist hydrogen cracking should be developed.
对于天然气输送管道，需研制抗氢致裂纹的专用管线钢管；
The circulation tank has a stainless steel tank, stream heating pipeline, filters, liquid level controller and pump for rinsing etc.
循环槽有一不锈钢槽、蒸汽加热管道、过滤器、液位控制器和喷淋用的泵等。
It is a best method selected possibly nowadays for recovery of function of an old gas pipeline to insert a thin-walled polyethylene lining into a steel pipeline by the way of non-excavation.
用非开挖方式向钢管道内穿插薄壁聚乙烯内衬是目前可选择的恢复旧燃气管道使用功能的最好方法。
X70 steel coils of acicular ferrite microstructure for large diameter pipes were researched and developed at Baosteel. The products have been used in West-East Gas Pipeline Project.
宝山钢铁股份有限公司开发研制的针状铁素体型X70大口径输气管线用板卷钢已应用于西气东输管线工程。
The optimized tundish has been used stably, for pipeline steel, the qualified percent of inclusion is increased more than 5%, and metallurgical function of the tundish was improved greatly.
目前优化后的包型已经稳定应用，以管线钢为例，夹杂物合格率提高了5％以上，提高了中间包的冶金功能。
The contents of research include: Make the weld property test for the X60 pipeline steel, as a result from it that is temperature before starting weld to prevent delay crack;
其研究内容包括：对X60管线钢进行了焊接性实验，得出野外焊接施工初始温度，从而预防冷裂纹的产生；
The development work done by Wuhan steel with welding material for submerged arc welding, gas yield welding and manual welding of pipeline steel with high performance is introduced.
介绍了武钢在高性能管线钢埋弧焊、气保焊及手工焊焊接材料开发方面所作的工作。
Toughness is one of important properties for pipeline steel.
韧性是管线钢最重要的性能之一。
This paper introduces the experiment condition of pressure experiment for water supplying pipeline of glass steel, experiment technology and method.
分析了静水压试验过程中钢管的受力情况，简要介绍了试验压力计算公式的推导过程。
High quality carbon steel, low alloy steel and alloy steel seamless pipes for high pressure fertilizer equipment and pipeline.
用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无缝钢管。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板，其产品具有高强度、高韧性和良好的焊接性等综合性能。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
The way and effects proceeding reformation and strengthening insulation for steam pipeline network in all works in Shanghai Steel Works No. 1 are introduced.
介绍了上钢一厂对全厂蒸汽管网进行全面改造和加强管道保温的做法及所收到的效益。
The invention relates to a process method for manufacturing a steel frame reinforced nylon pipeline.
本发明涉及一种制作钢骨架增强型尼龙管道的工艺方法。
The mobile pipeline is an assembled steel tubing used for supplying oil. It is very important to select appropriate anticorrosive coatings.
机动管线是用于实施油料补给的装配式钢质管线，正确选择防护涂层具有重要意义。
Pipeline steel adopting the spicular ferrite owns the better properties of forming and anti corrosion for its low ratio of yield strength and tensile strength and uniform microstructure.
由于低屈强比和组织均匀，管线钢采用针状铁素体组织可以具有较好的（管）成型性及耐腐蚀性。 用针状铁素体管线钢平板或卷板制造的焊管的力学性能彼此相差不大。
Pipeline steel adopting the spicular ferrite owns the better properties of forming and anti corrosion for its low ratio of yield strength and tensile strength and uniform microstructure.
由于低屈强比和组织均匀，管线钢采用针状铁素体组织可以具有较好的（管）成型性及耐腐蚀性。 用针状铁素体管线钢平板或卷板制造的焊管的力学性能彼此相差不大。
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