离心球墨铸铁管

地下输水输气管道是国民经济中重要的原材料之一，素有工业血管之称，离心球墨铸铁管是地下管网中技术难度较大但最为经济的品种之一。

Underground water pipeline and gas pipeline is one of the important raw materials in the national economy . They has been named industry blood vessel . Centrifugal ductile iron pipe is one of the technical more difficulties but the most economic .

Ⅰ型防脱接口离心球墨铸铁管的设计与开发

Design and Development of ⅰ Type Restrained Centrifugal Ductile Casting Iron Pipe

大管径离心球墨铸铁管改善品质的研究

Quality Improvement of Large Centrifugal Ductile Iron Pipes

浅论离心球墨铸铁管在输卤工程中的应用

Talk about Applications of the Centrifugal Ball Graphite Cast Iron Pipe for Brine Supply

离心球墨铸铁管浇注流槽的选择与应用

Selection and Application of the Pour Trough Used in Ductile Iron Pipes by Centrifugal Casting

离心球墨铸铁管产生椭圆缺陷的原因及防止措施

Causation and Preventing-measure for the Elliptical Objection of the Ductile Iron Pipes Made by Centrifugal Casting

离心球墨铸铁管的组织及退火工艺研究

Microstructure and Mechanical Properties of Large Diameter Centrifugal Casting Ductile Iron Pipe and Its Annealing Process

水冷离心球墨铸铁管一次孕育处理的工艺试验

Experiment Research about Inoculation Treatment Technique of Centrifugal Spheroidal Graphite Cast Iron Pipe by Means of Water Cooling

管模是生产离心球墨铸铁管的模具，其毛坯的锻造成型非常困难。

The tube mold is used for manufacturing of the centrifuge nodular cast iron tube , the forming of its blank is very difficult .

在离心球墨铸铁管生产线中，铁水浇注流量系统的稳定与否直接影响管子的质量。

In the product line of centrifugal casting iron pipes , the flux stability of iron liquid watering affects the quality of the final products .

通过分析球墨铸铁性质，结合广州市的特性，探讨离心球墨铸铁管在广州市燃气工程中得到广泛的应用问题。

The paper analyzes the character of nodular cast iron and the speciality of Guangzhou city , discusses the application of nodular cast iron pipes in gas engineering in Guangzhou .

Cr、As对水冷金属型离心铸造球墨铸铁管金相组织的影响GB/T13294-1991球墨铸铁管件高炉铸钢冷却壁冷却水管的优化研究

Influence of cr , as on metallographic structure of water-cooled metal-type centrifugal casting Nodular-Cast-Iron pipe

增加石墨球数量和提高球化率，有利于改善离心铸造球墨铸铁管的伸长率。

Analysis of Variables Affecting the Elongation of Centrifugal Ductile Cast Iron Pipe and its Measures .

GB/T13295-1991离心铸造球墨铸铁管

Centrifugal casting ductile iron pipe

覆膜砂离心铸造球墨铸铁管性能的研究

Study on the Properties of Ductile Iron Pipe Centrifugally Casted by Means of Resin Sand Coated Metal Mould

作者研究了金属型离心铸造球墨铸铁管时碳、硅含量对铁管抗拉强度和延伸率的影响；

The influence cf carbon and silicon contents in the centrifugal ductile iron pipes produced in metallic mould on tensile strength and specific elongation is studied in this paper .

铝热离心法重熔球墨铸铁管内表面的研究

Remelting on Inner Surface of Ductile Cast Iron Pipe by SHS CT Process