淬火钢

The company occupies 55 acres and production workshop area of 23000 M3, with all kinds of skilled workers and technical staff of 220, divided into a casting workshop, spare parts processing workshops, high-frequency Heat Treatment workshops, equipment assembly plant tests, all spare parts, no one Purchase, a new modern office buildings are under construction, covering the cement square hollow brick production equipment of the modern large-scale job-shop has拔地而起pipeline, the first in-house and set up the State Institute of Zhuanji automation equipment And formed a set research and development and production of new simultaneous integration of the modern enterprise Zhuanji brick, Zhuanji ensure the quality and low-cost operation, so that every one of the guests are in the enterprise to purchase a complete set for themselves satisfied with the "Guaranteed quality / price popularization of" brick equipment, we have been tireless pursuit, and insisted on maintaining the leading position in the peer.

公司占地55亩，生产车间总面积23000M3，拥有各类技术人员熟练工人220人，分设了铸钢车间，零配件加工车间，高频淬火热处理车间，设备组装测试车间，所有零配件无一外购，现在一座崭新的现代办公大楼正在兴建之中，占地平方的水泥空心砖生产设备大型的现代化流水线作业车间已拔地而起，并首家在企业内部成立了国发砖机自动化设备研究所，形成了集研发和生产同步一体化的现代新型砖机制砖企业，保证了砖机的品质和低成本运作，让每一位客人都能在国发企业内选购到一整套适合自己满意的&品质有保证/价格大众化&的制砖设备，是我们一直以来孜孜不倦的追求，并坚持保持着在同行中的领先地位。

Based on present experimental formulae to calculate martensite starting temperature Ms of various steel grades, with analysis on the effect of alloying elements on Ms of steel, the experiential formula Ms = 550-330C-35Mn-17Ni-12Cr-21Mo-10Cu-5W-10Si-0Ti+10Co+30Al for maraging stainless steel is given in this paper.

本文依据马氏体时效不锈钢的化学成分及实测Ms温度，利用现有的Ms温度计算公式进行分析计算，提出新的马氏体时效不锈钢的Ms温度计算公式。1 现有Ms温度经验计算公式的分析影响钢的Ms点的因素很多，如化学成分、淬火冷却速度、奥氏体化条件、形变等[2 ] 。

It has successfully resolved the net with muffle furnace difficult to solve many technical problems, such as the three muffle heat-resistant steel cans were short-lived, maintenance difficulties and quenching brightness inadequate capacity carburizing poor.

它成功的解决了有马弗网带炉难以解决的许多技术难题，如马弗罐等三大耐热钢件寿命短、维修困难和淬火光亮度不足、渗碳能力差等问题。

It solved many difficult technical problems which the Muffle mesh belt furnace solves with difficulty, for instance, the Muffle pot and so on three big refractory steel's life are short, servicing is difficultand quenching radiance is deficient, carburizing ability is weak and so on.

它成功的解决了有马弗网带炉难以解决的许多技术难题，如马弗罐等三大耐热钢件寿命短、维修困难和淬火光亮度不足、渗碳能力差等问题。

The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied,and its microstructure was analyzed as well.

研究了D2钢在不同温度淬火后的硬度变化，以及深冷处理对其硬度的影响，并对其显微组织进行了分析。

This series 1350℃Temperature Box type Resistance Furnace, mainly used for steel products, high speed steel, all kinds of mold normalizing, quenching, annealing and other heat treatment, solid stainless steel melt-processing, various ceramic products, ceramic roller sintering, of which SX2 series of laboratory experimentsfurnce for chemical analysis purposes.

本系列1350℃高温箱式电炉，主要供合金钢制品，高速钢，各种模具正火，淬火，退火等热处理，不锈钢固熔处理，各种陶瓷制品，陶瓷轧辊烧结，其中SX2系列实验电炉可供实验室做化学分析用途。

This series 1350℃Temperature Box type Resistance Furnace, mainly used for steel products, high speed steel, all kinds of mold normalizing, quenching, annealing and other heat treatment, solid stainless steel melt-processing, various ceramic products, ceramic roller sintering, of which SX2 series of

本系列1350℃高温箱式电炉，主要供合金钢制品，高速钢，各种模具正火、淬火、退火等热处理，不锈钢固熔处理，各种陶瓷制品，陶瓷轧辊烧结，其中SX2系列实验电炉可供实验室做化学分析用途。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。