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球墨铸铁优于铸钢的数据分析值

来源:http://www.kpp647.com添加时间:2017-12-08 18:23:21

  球墨铸铁井盖主要由球墨铸铁打造出来的井盖,这种井盖质量的好坏就牵扯到了球化率的问题。处理铸件的常用涂料就是防锈沥青漆了,当然球墨铸铁井盖的表面也是经过喷涂防锈沥青漆处理的。球墨铸铁井盖有一个优点,就是由于球墨铸铁强度高、韧性好,使得球墨铸井盖要比同类型的灰口铸铁井盖轻30%左右。

  The cover of spheroidal graphite cast iron is mainly made of spheroidal graphite cast iron. The quality of this kind of well cover is involved in the problem of the rate of spheroidization. The commonly used coatings for castings are anticorrosive asphalt lacquer, and of course the surface of the ductile iron cover is also treated by spraying antirust bitumen lacquer. The advantage of ductile iron well covers is that the ductile cast iron cap is lighter than the same type of gray cast iron manhole cover by 30% because of its high strength and toughness.

  球墨铸铁井盖的特点:韧性好。冲击值与中碳钢材详尽,是灰铁材料的10倍以上。抗腐蚀性强。喷水腐蚀试验,九十天的腐蚀量仅为钢管的1/40,是灰铁管的1/10。使用寿命是灰铁管的2倍,是普通钢管的5倍。 塑性好。延伸率≥7%,与高碳钢材相近,而灰铁材料延伸率为零,强度高。抗拉强度ób≥420MPa,屈服强度ós≥300MPa,与低碳钢材相同,是灰铁材料的三倍。

山东球墨铸铁井盖

  The characteristics of ductile iron shaft cover: good toughness. The impact of value and medium carbon steel in detail, is more than 10 times the iron material. Strong corrosion resistance. In the water jet corrosion test, the corrosion amount of ninety days is only 1/40 of the steel tube and the 1/10 of the ash iron pipe. The service life is 2 times that of the gray iron pipe and 5 times that of the ordinary steel pipe. The plasticity is good. The elongation rate is more than 7%, similar to the high carbon steel and iron materials, the elongation is zero, high strength. The tensile strength, yield strength, B = 420MPa, s = 300MPa, with the same low carbon steel, is three times the iron material.

  由于球墨铸铁的球状石墨微观结构,在减弱振动能力方面,球墨铸铁优于铸钢,因此更加有利于降低应力。选择球墨铸铁的一个重要的原因在于球墨铸铁比铸钢成本低。球墨铸铁的低成本使得这种材料更加受欢迎,铸造效率更高,也较少了球墨铸铁的机加工成本。

  Because of the microstructure of spheroidal graphite in spheroidal graphite cast iron, the nodular cast iron is superior to the cast steel in reducing the vibration capacity, so it is more beneficial to reduce the stress. One of the important reasons for selecting ductile iron is that the ductile iron is lower than the cost of the cast steel. The low cost of ductile iron makes this material more popular, higher casting efficiency, and less machining cost of ductile iron.

  球墨铸铁的强度和铸钢的强度是可比的。球墨铸铁具有更高的屈服强度,其屈服强度更低为40k,而铸钢的屈服强度只有36k。在大部分市政应用领域,如:水、盐水、蒸汽等,球墨铸铁的耐腐蚀性和抗氧化性都超过铸钢。

  The strength of the ductile iron is comparable to the strength of the cast steel. The nodular cast iron has a higher yield strength, the yield strength is lowest 40K, and the yield strength of the cast steel is only 36K. In most of the municipal applications, such as water, brine, steam, and so on, the corrosion resistance and oxidation resistance of spheroidal graphite cast iron exceed the cast steel.

  山东球墨铸铁井盖全方位服务于客户,以质量上乘、价格合理和完善的售后服务与客户携手奋进,共同发展。质量保证,欢迎咨询洽谈

  Shandong spheroidal graphite cast iron well cover is full of service to customers, with high quality, reasonable price and perfect after-sale service, together with customers to develop together. Quality assurance, welcome consultation and negotiation



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