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- drilling rig of alloy steel 合金钢钻具
- The supply of alloy steel is very tight at present. 合金钢的供应目前很紧张。
- Demobilization and mobilization of drilling rig of overseas project is complex system engineering, involving many departments and persons and information as well as hard organization and coordination. 海外项目钻机遣散和动员是一项复杂的系统工程,涉及的部门、人员和资料多,组织协调难度大。
- Design and trial production of alloy steel CCM in Nanchang Iron & Steel Co. 南昌钢铁公司合金钢连铸机的设计及试生产
- All bearings are rolling bearings and the shafts are made of alloy steel. 轴支承全部采用滚子轴承。轴材料均为合金钢。链条均为强制润滑。
- For precision grinding of alloy steel ,such as cutters ,measures,threaded parts and instru-ment parts. 适用于合金钢的精密磨削。如刀具、量具、螺纹工件、仪表零件等。
- The products of electroslag remelting steel include 243 designations of alloy steel and superalloy. 产品包括优质合金钢与超级合金243个牌号。
- The pass design and application in compound straightening of flat bar of alloy steel are stated. 主要叙述了合金钢扁钢复合矫直孔型的设计与应用。
- The defects of alloy steel pipe centrifugally casted are drawn. Their causes and preven tives are analysed. 归纳出离心铸造合金钢管常出现的缺陷，并分析其产生原因，从而防止缺陷产生。
- Titanium alloy is an important material for making a special kind of alloy steel. 钛合金是用来制造特种合金钢的重要材料。
- They are widely used in printing and paper-making industry .The edge are made of alloy steel and highauoy steel with sharpness and durability. 适用于：广泛应用于印刷、造纸行业，具有刃口锋利、耐用等特点，刀刃钢材有合金工具钢和高合金工具钢。
- Rare earths can getcarburized granules on the surface of alloy steel fined, with diffusion even, the carburized layer thickened. 稀土能使合金钢表层碳化物颗粒细化，均匀弥散分布，碳化物层加厚。
- Through calculating the cooling curve of standard top quenching specimen and CCT-diagram , the hardenability curves of alloy steel are calculated. 本工作通过计算标准顶端淬火冷却曲线,并利用计算得到的CCT曲线和数据,对合金钢淬透性曲线进行了预测。
- AC-SCR-DC mode is the best driving mode for a drilling rig. DC驱动方式是目前钻机最好的驱动传动方式。
- PRODUCTS:1.TUNGSTEN CARBIDE:BOLT &NUT FORMINGDIES/CUTTERS/CUTTING DIES. 2.ALLOY STEEL PRODUCTS:ALLOY STEEL MOLDS/CUTTERS/CUTTING DIES/PUNCHES/ALL TYPES OF ALLOY TOOLS. 螺丝模、螺帽模、各种冲压模、冲模、冲仔、合金钢工具、制品材料为合金钢或合金钢嵌入碳化钨。
- Welding of importand low alloy steel structures. 用于焊接重要的低合金钢结构。
- MAN300 drilling rig is working in gravel area in West Luntai, Sinkiang. 300型钻机在新疆轮台西砾石区进行地震钻井施工。
- YG-30 drilling rig is a full hydraulic operated top drive power head drill. 型工程钻机为全液压驱动动力头式钻机。
- The influence of alloys on the seawater corrosive and abusive resistance of medium carbon alloy steel has been studied. 本文主要研究了合金元素对中碳合金钢的耐海水腐蚀磨损的影响规律。
- Some remarks on developing technique of drilling rig disc brake in China. 关于发展我国钻机盘式刹车技术的几点认识。
