The defect of turtle veins on the internal wall of nodular casting iron pipe is introduced as well as its cause reason and resolving method,the effect of carbon equivalent on it analyzed.
分析了碳当量对龟纹翘皮的影响。
It takes X60's steel as the instance,preheating temperature of pipeline steel has been got by carbon equivalent and cooling cracks the susceptible index number calculation.
以X60钢为例,通过碳当量和冷裂纹敏感指数的计算,确定了管线钢的预热温度,并与斜Y坡口焊接裂纹试验的结果进行了比较,经过分析推荐了适用于管线钢的预热温度计算公式。
Based on the compositions of 15CrMoR and its carbon equivalent,the welding crack sensibility of the heat-resistant steel is analyzed.
根据15CrMoR低合金耐热钢的化学成分及它的碳当量计算值,分析了该材料的焊接裂纹敏感性。
The result shows that carbon equivalence is the most important factor.
结果表明,碳当量是决定组织形式和韧性的主要因素,采用 TMCP 工艺有利于提高大线能量焊接性能。
In order to improve the measurement accuracy of thermal analysis CE meter in determining the composition of hypoeutectic iron melt,the effects of some major process variables,as pouring temperature and mass of the sample on the measurement results were analyzed.
针对铸铁炉前碳当量仪成分检测存在的问题,分析了热分析试样浇注量和浇注温度等操作工艺因素对碳当量仪测试结果的影响并进行了试验研究。
The Heavy Sectioned High CE High Strength Gray Iron Produced by Modifier Containing Ti;
用含钛变质剂生产大断面高碳当量高强度铸铁
Pipeline Steel Carbon Content and Ceq Relation to Weldability
管线钢的碳含量和碳当量与焊接性的关系
Anstenite Dendrite and Its Influencing Factors of Grey Cast Iron with High Carbon Equivalent
高碳当量灰铸铁中的奥氏体枝晶及其影响因素
Research of Structure and Properties of High Carbon Equivalent Rare-earth Grey Cast Iron
稀土高碳当量灰口铸铁组织与性能的研究
RESEARCH ON THE RELATIONSHIP BETWEEN THE CARBON EQUIVALENT AND THE STRENGTH OF A SHIP SCALENE ANGLE STEEL
船用不等边角钢的碳当量与其强度关系的研究
The Study of Stabilizing Inoculatants of High Carbon Equivalent Gray Cast Iron
高碳当量灰铸铁用稳定化孕育剂的研究
Casting of Jute loom Flexible Rod with Spheroidal Draphitc Cast Iron of Low Carbon Equivalent
用低碳当量球墨铸铁铸造黄麻织机伸缩杆
The Influence of V and Ti on Solidification of Gray Iron with High C . E. %
钒钛对高碳当量灰铸铁凝固过程的影响
Study and Practice on Carbon Eqiuvalent of the Dongfeng Car Safeguard Castings;
二汽车保安铸件的碳当量研究与生产实践
Verification of Austenite Nodular Cast Iron Saturation and Carbon Equivalent
高镍奥氏体球墨铸铁饱和度和碳当量的验证
Study on the Influence of Bi on Mechanical Properties of HighCE Gray Cast Iron and the Behavior of Bi Element
铋对高碳当量灰铸铁力学性能的影响及其行为的研究
Adopting rational melting process and proper carbon equivalent as well as inoculation process is the precondition to improve the metallurgical quality of castings.
采用合理的熔炼工艺、选择合适的碳当量及孕育方法是提高冶金质量的先决条件。
Test method for diameter and equivalent diameter of carbon fiber by microscopy
GB/T3364-1982碳纤维直径和当量直径检验方法(显微镜法)
determination of carbon residue-conradson method
残碳含量测量方法-康氏残碳
Of course I know. according to the amount of the carbon content, carbon steels can be divided into low-carbon steel, medium-carbon steel and high--carbon steel.
根据碳元素的含量，碳素钢可再分为低碳钢、中碳钢和高碳钢。
When levels are low, we seem to crave sweets and carbs, which raise serotonin and improve mood.
当它的含量降低时，我们似乎就会渴望糖和碳水化合物，因为它们能提高血清素含量并改善情绪。
Contrady, it is good for increasing quantity and quality of somatic embryogensis with activated charcoal.
当该比值高时,必须添加活性碳才有利于提高体细胞胚胎发生的数量和质量.
Carbonic acid is formed when water absorbs carbon dioxide.
当水吸收二氧化碳时，即产生碳酸。
Wood charcoal contains up to 98% carbon.
木炭含有相当于98％的碳。