钢种

The phosphorus content in the first heat steel of converter steelmaking after fettling was higher than normal operation and some times even higher than the standard limitation.

转炉大补炉后冶炼第一炉钢时钢中磷含量容易偏高，有时甚至超出钢种要求的磷含量上限。

According to the quality problems of continuous casting slab existed in Benxi Iron and Steel Group Co., the content, shape and chemical component of non-metal inclusions and the gas content in the slab of Q235 Grade were analyzed and measured by large sample electrolysis, metallographic analysis and SEM spectrum et al.

结合本溪钢铁集团公司连铸板坯质量存在的问题，应用大样电解、金相分析、扫描电镜能谱分析等检测手段，对选定典型钢种（Q235）铸坯中夹杂物的质量分数、形态及组成，铸坯中气体等进行了分析和综合评价，并提出了改善铸坯质量的具体措施，为进一步提高本钢连铸坯质量提供了理论指导依据。

This paper analyses the characteristic of medium carbon steel containing manganese and the demand to casting powder.

通过对中碳锰钢钢种特点及其对保护渣要求的深刻剖析，结合包钢的生产实际，对方、圆坯中碳锰钢生产所用保护渣的使用性能和理化性能进行了综合分析研究。

Pre-molten refining slag is one of main research objects concerned by metallurgist currently, and the focused problem is how to choose proper refining slag in accordance to different steel grade.

预熔型精炼渣是目前国内外冶金工作者研究的重要对象之一，而根据不同的钢种选择合适的精炼渣剂及配方就成了目前研究精炼渣的突出问题。

This paper presents classification of car steel sheet in Cherry Car Co.and introduction and description of practical propery tests,applications of super deep draw steel IF- cold rolled high strength sheet,bake hardening sheet- cold rolled dual phase steel sheet,TRIP sheet,Sandwich steel sheet and pickled oil steel sheet.

介绍了奇瑞公司轿车用超深冲IF钢板、冷轧高强度钢板、烘烤硬化钢板、冷轧双相钢板、相变诱导塑性钢板、减振复合钢板和热轧酸洗钢板的实际性能试验及应用，分析了国内外部分钢种的实际成分和性能以及用高强度钢板制造车身的减振效果，并对薄钢板和典型表面件的抗凹刚度和抗凹深度进行了检测。

1 Steel plant,and profound analysis was carried out for the capability of reducing impurity of blowing-argon,ladle reefing,middle-vessel,crystallizer,and the infection of variant deoxidation ability on the content,composition and shape of the impurity in carting blank,through gas-analysis,image-analysis and electron microscope scan.

为了解济钢一炼钢钢水纯净度的实际状况，选择两个典型钢种BC和AH32为分析对象，通过气体分析、图像分析和电子显微镜扫描分析分别对吹氩处理和LF炉精炼处理、中间包和结晶器去除夹杂物的能力及采用不同的脱氧工艺对铸坯夹杂物含量、组成及形态的影响进行了深入分析，找出了全氧和氮的变化规律、夹杂物粒度分布及主要组成，为研究如何降低夹杂物含量和改变夹杂物形态提供了技术基础。

The main purpose is how to choose proper refining slag in accordance to different steel grade.

根据不同的钢种选择合适的精炼渣成为目前研究精炼渣的主要目的。

The cyclic creep tests at room temperature on MTS material testing system for automobile spring steel and bolt steel under different heat treatments and different stress conditions have been conducted to investigate the micro plasticity behavior of the steels.

为研究汽车用弹簧钢与高强度螺栓钢的微塑性服役行为，在MTS材料试验系统上进行了不同钢种在不同强度水平和不同循环应力条件下的室温蠕变试验。

Combining with the production control of low-alloy steel with niobium , the main reasons of surface transverse crack of low-alloy steel slab with niobium were put forward.

介绍了铌元素的作用和行为及在常见钢种中的作用，结合含铌低合金钢的生产控制，分析出造成含铌低合金钢连铸坯表面产生横裂纹的主要原因，并采取相应的技术措施，提高铸坯表面质量。

Therefore, research on the weldability of ultra steel is of great significance in theoretical study and industrial application.

而能否解决超级钢的焊接问题，是该钢种成败的关键之一。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新