1) high strength finish tube
高强度精轧管
1.
The process of producing high strength finish tube of 20 steel for oil cylinder by LD60 three-high cold tube mill is introduced The influence factors on facial coarseness and properties of tube are discussed.
介绍了用ＬＤ６０三辊冷轧管机生产油缸用２０钢高强度精轧管的生产工艺，分析了影响管材表面粗糙度和性能的各种因素。
2) high strength finishing rolling rebar
高强度精轧螺纹钢筋
3) hot-rolled high-strength seamless pipe
热轧高强度无缝钢管
1.
Simulation of temperature field of quenching process of hot-rolled high-strength seamless pipe by FEM;
热轧高强度无缝钢管淬火工艺温度场有限元模拟
4) high precision rolling
高精度轧制
1.
The high precision rolling has become more and more important in the case that supply is more than the demand.
在钢材产量大于市场需求的条件下 ,高精度轧制显得更加重要。
2.
The high quality heavy rail must be produced by high precision rolling technology.
阐述了目前市场急需的高质量重轨必须实现高精度轧制 ,我国现有重轨厂采用二辊孔型轧制难以满足要求。
5) high strength roller
高强度轧辊
1.
This topic in view of the ZL450 bearing rolling mill high strength roller s refractory question,uses on vibration supersonic turning method to conduct the experimental study to it,has carried on the optimization through the experiment to the technological parameter,obtained a new technique to cut the 36CrNi4MoVA material quality roller.
针对ZL450轴承轧钢机高强度轧辊加工困难问题,采用振动超声车削方法对其进行加工实验研究,通过实验对工艺参数进行了优化,获得了超声切削36CrNi4MoVA材质轧辊车削加工新工艺方法。
6) sophisticated high-strength geological pipe material
高强度精密地质管材
1.
According to the urgent demands of deep wire-line coring drilling tube in geology prospecting industry in China,based on the analysis on the operation requirement and took the comparison to foreign popular materials in the same industry,traditional producing process of seamless steel tube was modified with new XJY850 sophisticated high-strength geological pipe material developed.
根据国内地质勘查行业对大深度高强度绳索取心钻杆的迫切需求,经过分析地质管材的使用要求,在参考国外同类产品材料的基础上,改进无缝钢管生产的传统加工工艺,研制开发了X JY850高强度精密地质管材。
补充资料：高模量高强度聚合物
分子式：
CAS号：
性质： 常指杨氏模量和断裂强度分别大于100GPa和3GPa的有机聚合物。实现高强高模的途径之一是将柔性高分子进行超拉伸，使卷曲或折叠的分子链拉直，并沿拉伸方向取向成伸直链结晶；另一是合成刚性棒状液晶高分子，从根本上抑制分子链的卷曲或折叠，使分子链构象或分子链间的滑移变形大大减小，外力作用在分子链的共价键上，从而大幅度提高聚合物的强度和模量。这两种方法的代表分别有超拉伸的超高分子量聚乙烯纤维，和液晶芳香聚酰胺纤维，前者的强度和模量已达到4GPa和210GPa，后者已达到2.9GPa和110GPa。
CAS号：
性质： 常指杨氏模量和断裂强度分别大于100GPa和3GPa的有机聚合物。实现高强高模的途径之一是将柔性高分子进行超拉伸，使卷曲或折叠的分子链拉直，并沿拉伸方向取向成伸直链结晶；另一是合成刚性棒状液晶高分子，从根本上抑制分子链的卷曲或折叠，使分子链构象或分子链间的滑移变形大大减小，外力作用在分子链的共价键上，从而大幅度提高聚合物的强度和模量。这两种方法的代表分别有超拉伸的超高分子量聚乙烯纤维，和液晶芳香聚酰胺纤维，前者的强度和模量已达到4GPa和210GPa，后者已达到2.9GPa和110GPa。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条