1·Anti oxidation coating created is applicable to prevent oxidation of Ni Cr alloy steel blank at high temperature.
通过试验,制备出适用于在高温状态下,阻止镍铬合金钢钢坯氧化的涂料。
2·A locally heating and extruding technology for steel material with shaped cross-section includes preparing raw material, local heating steel blank, and extrusion forming with mould.
本发明提供了一种异形截面钢材局部加热挤压工艺及其装置。工艺过程包括原料准备,对钢坯进行局部加热及通过挤压模挤压成型。
3·The method of standard addition is employed in the blank and the sample solutions with addition of releasing agents for determining trace amounts of calcium in steel.
采用混合释放剂,及空白与试液都以标准加入法测定、扣除空白值的方法测定钢中微量钙。
4·Cracking of H13 steel die blank for fan impellers was analyzed by means of SEM, EDS and metallographic microscope.
通过电镜、能谱分析、金相分析等手段对H13钢制风机叶轮模坯开裂进行了综合分析。
5·The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.
一种钢法兰毛坯加工工艺,尤其是一种平法兰、对焊法兰、预应力管桩端板法兰毛坯加工工艺。
6·The manufacturing technological process of AISI 422 steel sector plate blank has been described.
介绍了AISI 422钢扇型板毛坯的制造工艺流程。
7·The application results show that the service life of slanting roller made of CIESC steel H13 blank is up to that made of ESR forged steel H13 blank.
结果表明,感应电渣离心浇铸h 13钢毛坯制造的斜轧辊,其使用寿命不低于电渣重熔锻材制造的斜轧辊。
8·A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced, in which hollow cast blank is directly used for hot extrusion.
介绍了一种新的奥氏体不锈钢无缝管材制备工艺,即对空心铸坯直接热挤压制备荒管。
9·Based on the underground of high efficient CC in Ma 'steel, the longitudinal surface crack and centerline crack, the uppermost defects of beam blank CC production are studied.
针对马钢异型坯高效连铸的背景,分析了异型坯生产中铸坯质量的主要缺陷类型:表面纵裂和中心裂纹。
10·The crystallization wheel (1) and the steel belt (6) are both provided with circulating water cooling devices, so that the high-speed casting of light section blank can be realized.
结晶轮(1)及钢带(6)都有循环水冷装置,故可实现小断面坯料的高速浇铸。