合金钢

Transformation process and microstructure in 675 armor steel continuously cooled at a series of different rates were investigated using a high-resolution dilatometer,along with optical and transmission electron microscope.

675装甲钢是一种中碳高强度低合金钢，是在685装甲钢成分基础上加入少量V进行微合金化而得到的，其所含主要合金元素有Ni、Mo、Cr和V，其中Ni、Mo、er主要是强化铁素体和提高淬透性，V主要起沉淀强化和细化晶粒的作用。

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。

To promote development of low alloy steel bearing vanadium and mitrogen,the process,conditions and products of preparing nitrided ferrovanadium and vanadium nitride are introduced on the basis of main documents.

为推动含钒氮低合金钢的发展，在查阅主要文献的基础上，重点介绍了氮化钒铁及氮化钒制备的工艺方法、条件及产品情况。

The strengthening effect of vanadium to low-alloy steel is introduced,its microalloying role researched and discussed,different effects to strengthen steel with vanadium-nitrogen alloy or ferrovanadium as additive concluded.

分析了钒对低合金钢的强化作用，对VN的微合金化作用进行了研究和探讨，提出用钒氮合金和钒铁做添加剂对钢强化具有不同效果。

The strengthen ing effect of vanadium to low-alloy steel is introduced,its microalloying role researched and discussed,different effects to strengthen steel with vanadium-nitrogen alloy or ferrovanadium as additive concluded.

分析了钒对低合金钢的强化作用，对VN的微合金化作用进行了研究和探讨，提出用钒氮合金和钒铁做添加剂对钢强化具有不同效果。

The technical personnel and production backbones of the company have rich production experiences and casting techniques in products manufacturing and developed series of heat and corrosion proof alloy steel such as ZTHJ, etc.

公司技术人员、生产骨干在产品制造方面积累了丰富的生产经验和铸造技术，并与科研院所合作开发了 ZTHJ 等系列耐热蚀合金钢。

Different industries in order to adapt to the needs of my company's chain of materials used have carbon steel, alloy steel, heat-resistant, acid-resistant stainless steel and engineering plastics, etc..

为了适应不同行业的需要，我公司生产的链条所用的材料有碳素钢、合金钢、耐热、耐酸的不锈钢以及工程塑料等。

Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron and Wrought Iron

碳素钢，低合金钢，硅电炉钢，铁锭和熟铁的化学分析的测试方法

Based on the quantum chemistry ab initio calculation method, density functional theory method's ultrasoft pseudopotential method and semi-empirical interatomic pair potential combined, the cohesive energy of martensite crystal cell of the high-carbon alloy steel DM8A and DM8 was calculated.

利用量子化学从头计算方法、密度泛函理论的超软赝势方法与半经验原子间相互作用对势相结合，计算出高碳合金钢DM8A钢和DM8钢马氏体晶胞的结合能信息。

Multi element alloy grinding balls with steel-forging ;I ligh manganese alloy liners and series ot grindung balls with specialities;Nodular cast ironGrey cast iron inspection coversRain cover-plateiron railinge etc eivil worke.

产品/Product：多元(_duo1 yuan2)合金磨球，钢锻；高锰合金钢衬板及特殊性能的磨球系列；球墨铸铁、灰铸铁检查井盖、雨水盖板、铁艺栅栏等市政工程铸件。

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。