1. The development potential of compressive strength of steel materials has not been fully developed. The basic theoretical compressive strength of designed steel materials is more than 9000Mpa, while at present, the compressive strength of most steel tree materials produced by die steel h14 processing manufacturers is about several hundred MPa. There is a large blank area between idealized materials and specific flowers and trees materials, indicating that the hardness of steel has made a great breakthrough.

2、钢的低洁净度钢材的低洁净度限定了丁基钢树形材料性能的双向提升。钢中的Lh残渣原素是各种各样裂痕和延性的来源于。伴随着残渣成分的提升，钢的断裂韧性会减少。韧脆变化温度依然存有，限定了其主要用途。现阶段，冷作模具钢加工伴随着钢树冶炼厂技术性的革新和发展，钢树的洁净度获得了提升。例如，在20新世纪70时代，钢的含硫量为0.02%-0.004%，但到了80时期末，含硫量降到0.01%。殊不知，做为人类社会Z重要的构造材料，钢树材料因为其对性能的需求愈来愈高，冷作模具钢报价偏低，被觉得是不可或缺的方式之一。

2. The low cleanliness of steel limits the two-way improvement of the properties of butyl steel tree material. LH residue element in steel is the source of various cracks and ductility. With the increase of residue composition, the fracture toughness of steel will be reduced. The change temperature of toughness and brittleness still exists, which limits its main application. At this stage, with the technical innovation and development of steel tree smelter, the cleanliness of steel tree has been improved. For example, in the 1970s, the sulfur content of steel was 0.02% - 0.004%, but by the end of the 1980s, the sulfur content decreased to 0.01%. As we all know, as an important structural material in human society, steel tree material is considered to be one of the indispensable ways because of its increasing demand for performance and the low quotation of cold working die steel.

3、耐腐蚀性需要提升现阶段，钢材材料的腐蚀不合格率等同于下午钢材生产量。尽管总产量为20%-40%，但全世界每一年因腐蚀而损毁的钢材约达1亿多吨:研究表明，钢材的腐蚀与其说洁净度有挺大关联，可使钢材的腐蚀率翻番。

3. Corrosion resistance needs to be improved. At this stage, the corrosion unqualified rate of steel materials is equal to the steel production in the afternoon. Although the total output is 20% - 40%, more than 100 million tons of steel are damaged by corrosion every year in the world: research shows that the corrosion of steel is closely related to its cleanliness, which can double the corrosion rate of steel.

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