结构钢

The morphology and structure of δ eutectoid and the transformation of δ austenite in high speed steel have been studied under SEM and TEM.

本文利用扫描电镜和透射电镜研究了高速钢中δ共析体的形态、结构及共析奥氏体的转变过程。

Main Products: various types of high strength bolts nut, M20 ~ M100 wholesale gross nut, M16 ~ M30 high-strength nuts, plum mine bolts, fish bolts, truss bolts, bucket-type bolts, side head bolt, expansion bolt , steel large hexagon bolt with hexagonal bolts, expansion bolts, special bolts, loader bridge bolts, rivets and so on.

各种型号的高强度螺栓螺母，批发M20～M100的毛螺母，M16～M30高强度螺母，矿用梅花螺栓，鱼尾螺栓，网架螺栓，斗型螺栓，方头螺栓，膨胀螺栓，钢结构大六角螺栓，内六角螺栓，膨胀螺栓，异形螺栓，装载机桥螺栓，铆钉等。

Principal products of our company: screw and nut for furniture, gharry screw, T type screw, loose joint bolt, flower basket bolt, expansion bolt, closing ring for bearing and aperture, Shanghai rivet, copper, iron and aluminum rivet, stainless steel standard pieces, flat key, pin key, automatic drilling nail, 12.9 level alloy steel hexagonal socket, tightening screw, countersunk head hexagonal socket screw, 10.9 steel structure bolt, machine bolt, firmware of DIN, ANSI, BS and JIS.

本公司生产和销售家具螺丝螺母、马车螺丝、T型螺丝、活接螺栓、花篮螺栓、膨胀螺栓、轴用孔用挡圈、上海拉铆钉、铜铁铝铆钉、不锈钢标准件、平键销键、台湾合资自攻自钻钉、12.9级合金钢的内六角、紧定螺丝、沉头内六角螺丝、10.9级钢结构螺栓、机螺钉、各种德标、美标、英标、日标紧固件。

Development of sales in particular with those project in Fabricator

在钢结构行业开发工业防护油漆使用用户

The engineers with above conditions retired from big ship and steel factory is preferred.

大型船厂，钢结构厂具备以上条件的退休工程师且身体健康者优先考虑。

Company's main business areas are: chemical raw materials, epoxy resin, polyurethane, PVC, rubber flooring, waterproofing membranes, roofing steel coatings, cool type of roofing coatings, interior and exterior wall latex paint, interior wall anti-condensate fog coatings, external wall elastic coating, the external walls of soft texture coatings, building harsh environment coating systems, concrete repair and protection materials, fair-faced concrete protection system, concrete masonry coloring agents, industrial anti-corrosion coatings, polyurea, 100% solids polyurethane coatings, polyurethane foam protective paint.

公司主营业务有：化工原料、环氧树脂、聚氨酯、PVC、橡胶地板，防水卷材、钢结构屋面防水涂料，凉爽型屋面防水涂料，内外墙乳胶漆，内墙防凝雾涂料，外墙弹性涂料，外墙柔性质感涂料，恶劣环境建筑涂料系统，混凝土修补与保护材料，清水混凝土保护体系，混凝土砖石着色剂，工业防腐涂料，聚脲，100%固含量聚氨酯涂料，聚氨酯泡沫保护性涂料等。

Another advance in steel construction is the method of fastening together the beams.

钢结构的另一个进步是共同的固定梁的方法。

This paper studies 35 examples by FEIS FEA PROGRAM written by author and proves that the rotational restraint of column base which exists in effect does not affect the intension of column root decide by the code and the method in the code is safe.

门式刚架轻型房屋钢结构技术规程》(CECS1 0 2 ：98)将简易柱脚视为铰接，本文用自行编制的有限元程序PFIS对 35个算例的验算证明了简易柱脚处实际存在的转动约束不会影响柱根处按惯例计算所得的强度，证明按现行规程进行设计是安全可靠的。

TiC/Cr19Al3 steel bonded carbides were prepared by in-situ synthesis taking ferrotitanium, ferrochromium, iron, carbon powders as raw material, and the microstructure of the steel bonded carbides was analyzed.

以钛铁粉、铬铁粉、铁粉、胶体石墨等为原料，原位反应生成TiC/Cr19Al3钢结硬质合金，并对所制备的试样进行组织结构分析。

Area method and stress field intensity approach to estimate the fatigue strength of welded steel structures are presented in the paper.

本文分别建立了焊接钢结构疲劳强度预测的面积法和应力场强法的理论。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。