It was still dark enough but a rim of lightness lay on the edge of the sea and made the waves gray iron.
天仍然很黑，但大海接天处现出一抹光亮，把浪花映成了铁灰色。
The machinability of gray iron was analyzed.
对灰铸铁的加工性能进行了分析。
Car wheels, gray iron, ductile iron, and other types of auto parts!
汽车轮毂、灰铸铁、球墨铸铁等类型的汽车配件！
The production of gray iron casting without thermal aging was suggested.
在调查分析的基础上，提出取消灰铁热时效的看法。
The forming process of castchromized alloy layer on the surface of gray iron has been studied.
研究了铸铁表面铸渗铬合金层形成过程。
TINDER can provide alloy casting, gray iron casting, ductile iron casting, and, steel casting etc.
天哲公司提供各种牌号灰铁、球铁、合金铸铁、铸钢和合金钢等铸件。
The current studies and some new techniques on gray iron production are simply outlined in this article.
对灰铸铁的研究现状和生产中的一些新技术做了评述。
The quantity, shape, size and distribution of graphite in gray iron influences the properties of material.
铸铁中石墨相的数量、形状、大小和分布对其力学性能有很大影响。
The production process of gray iron with trace antimony addition and its application scope was introduced.
介绍了加微量锑灰铸铁的生产工艺和适用场合。
The rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola.
稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。
The influence of scrap steel addition amount on structures and properties of nickel austenite gray iron was investigated.
研究了废钢加入量对镍奥氏体灰铸铁组织和性能的影响。
The results show that the eutectic transformation temperature of gray iron decreases with the increase of antimony content.
结果表明，随着锑含量的增加，灰口铁共晶转变温度降低；
Experiments showed that the titanium of different contents had varied influences on the structure and proper-ties of gray iron.
试验表明，不同含量的钛对灰铸铁组织和性能产生不同的影响。
This paper analyses the band structure with nodular graphite that was first found on the cross section of the gray iron bar in the experiment.
通过试验分析，首次在灰铸铁型材断面上观察到球状石墨的带状区，并对这种带状组织及成因进行了分析探讨。
The block is cast in one piece from gray iron or iron alloyed with other metals, such as nickel or chromium. Some blocks are cast from aluminum.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
The casting materials can meet the technical requirements of common gray iron top-grade cast iron, ductile cast iron and non-ferrous alloy, etc.
铸件材质能满足普通灰铁、高级铸铁、球墨铸铁、有色合金技术要求。
JMC Casting Plant(JCP) specializes in producing automobile engine, gray iron and nodular iron castings, which are thin-walled, and in high strength.
江铃铸造厂是以生产发动机铸件及车用薄壁高强度灰铁和球铁铸件为主的专业铸造厂。
The effect of rare earth and calcium on the structure and property of gray iron were analysed in detail through laboratory tests and production technology tests.
采用研制的合金进行试验室试验和现生产工艺试验，详细地分析了稀土、钙对灰铸铁组织和性能的影响。
Characteristics, principle, process and application result of the technique to use melting diffusing welding to repair defect of gray iron castings was described.
介绍了溶解扩散焊修复灰铸铁铸件缺陷技术的特点、原理、工艺及应用效果。
When producing gray iron, it is possible by adding trace antimony to prevent quality fluctuation of molten iron and increase tensile strength and wear resistance.
在生产灰铸铁时，加入微量锑可防止铁液质量波动，提高抗拉强度和耐磨性。
Based on production practice, the continuous casting process of high phosphorus gray iron bar sections and their structures as well as properties was investigated.
通过生产实践，探索了高磷连铸灰铸铁型材生产工艺及组织性能特点。
Controling conditions of production process to obtain developed isometric dendrite structure is one of the important measures to increase the strength property of gray iron.
控制生产工艺条件，获得发达等轴枝晶组织，是提高灰铸铁强度性能的重要技术措施之一。
The cooling-solidification diagram can be used to forecast whether the cast iron will solidify in accordance with the white iron style, gray iron style or mottled iron style.
采用冷却-凝固状态图可以预测铸铁是按白口、灰口或麻口凝固。
The wear resistance of niobium alloyed cast iron was studied. Result shows that the wea resistance of cast iron containing 0.15-0.4%nb is about 5 times higher than gray iron.
用铌中间合金处理铁水，对所浇注的试样作了耐磨性试验研究表明，当含铌量为0.15 ~ 0.4%时，铌铸铁较普通铸铁耐磨性提高5倍左右。
The practice also proved that the nodular cast iron is one good anti-friction material, its wear-resisting performance surpasses the gray iron and the carbon structural steel.
实践还证明球铁是一种良好的耐磨材料，其耐磨性能优于灰铸铁和碳素结构钢。
The practice also proved that the nodular cast iron is one good anti-friction material, its wear-resisting performance surpasses the gray iron and the carbon structural steel.
实践还证明球铁是一种良好的耐磨材料，其耐磨性能优于灰铸铁和碳素结构钢。
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