97综合在线 I 亚洲看片 I 男人添女荫道口免费视频 I 男女污污的视频 I 丝袜制服一区二区三区 I 国产在线精品无码二区 I 国产无遮挡又黄又爽不要vip网站 I 天天草天天草 I 亚洲一区av I 久草精品在线 I 亚洲丁香五月激情综合 I 天堂网资源中文最新版 I 任你干精品 I 亚洲国产综合一区 I 成人在线网 I 三级黄色理论片 I 色综合国产 I 国产www精品 I 免费污污视频软件 I 亚洲爱情岛论坛网站首页壹 I 99久久久国产精品美女 I 欧美日韩成人免费观看 I 亚洲欧美成人综合 I av国产japan在线播放 I а√天堂中文官网在线bt I 国产免费a I 精品视频三区 I 欧美怡红院免费全部视频 I 国产人妖视频一区二区, I 亚洲人成网站在线播放2019 I 女人扒下裤让男人桶到爽 I 好操啊在线观看免费视频 I 中文字幕高清免费视频 I 手机在线免费观看av I 国产99精品国产

2020-06-24

In the process of industrial manufacturing, materials are usually heated at high temperature up to thousands of degrees Celsius. Therefore, refractory metals such as tungsten, molybdenum and tantalum with higher temperature stability are preferred for furnace heating chamber and heat field materials.




Tungsten has the highest melting point (3410 ℃) and the strongest high temperature strength among all metals. It has excellent conductivity, low vapor pressure and corrosion resistance.


Molybdenum also has high melting point (2600 ℃), high temperature mechanical strength, good toughness, corrosion resistance and easy processing.


Tantalum has a melting point of 2996 ° C, good chemical resistance, excellent cold forging property, but it is easy to be processed under the condition of significantly lower than room temperature, and the recrystallization temperature is between 900 ° C and 1450 ° C.


Rare earth, including lanthanum, cerium, yttrium and so on, can make the crystal structure of the material more stable by adding tungsten molybdenum raw material powder in proportion, so as to improve the creep resistance and thermal expansion of the product in varying degrees.


We provide tungsten, molybdenum, tantalum heat field parts, using stable quality raw materials, adding rare earth elements, customized processing industry high temperature field tungsten parts, molybdenum parts, tantalum parts, including tungsten molybdenum heating body, tungsten crucible, molybdenum crucible, tungsten filament, tungsten boat, molybdenum boat, tungsten screw, molybdenum screw, tantalum screw, tungsten molybdenum tantalum nut, tungsten molybdenum tantalum washer, etc. The product has good high temperature strength, heat dissipation and corrosion resistance.




We have many years of processing experience in refractory metal industry. In the aspect of tungsten and molybdenum deep processing, hengbi can control the tolerance within 0.001mm by virtue of its technical and experience advantages, so as to ensure the accuracy and finish of products.


微信圖片_20200624173641.jpg


If you want to know more about hengmi products, please check the details of the product center or call us at 021-59241040