Описание и отзывы
Характеристики
Products Description
Jewel setting assembly contains a series of products: cup jewel, flat-end surface bearing, flat surface straight holed bearing, flat surface olive holed ring, single cup straight holed ring, single cup olive holed ring, double cups straight holed ring, double cups olive holed ring, hyperboloid straight holed ring, hyperboloid olive holed ring. These components are always embedded with stainless steel, aluminum alloy, brass, and red copper, etc.
Jewel setting assemblies are intensively used as movable and supporting parts on accurate measuring instrument and military apparatus.
Jewel nozzles are made of synthetic sapphire/ruby and embedded with brass, red copper, stainless steel and alloy. They are chiefly applied to accurate measuring instrument, machinery, high-pressure water jet, liquid cutting, medicine and various auto-memorizing apparatuses.
Specification
Material
MAN MADE CORUNDUM PROPERTY | ||||
General | Chemical Formula | Al2O3 | ||
Crystal System | Trigonal | |||
Class | Hexagonal-scalenohedral | |||
Melting Temperature | 2030°c | |||
Thermal | Thermal Expansion | Parallel to C-axis: 6.7× 10-6 | ||
Perpendicular to C-axis: 5.0×10-6 | ||||
Specific Heat | 0.18 Cal/gmoK（25℃） | |||
Mechanical | Density | 3.98 ~ 4.1g/cm3 | ||
Hardness | 9Moh’s Scale | |||
（Hv）≥1700kg/mm2 | ||||
Modulus Of Elasticity | 340-380Gpa | |||
Compressive Strength | 2.1Gpa | |||
Tensile Strength | 0.19Gpa | |||
Optical | Index of Refraction | Parallel to C-axis:1.769 | ||
Perpendicular to C-axis:1.76 | ||||
Index of IR Transmission | 85% | |||
Electrical | Electrical Resistance | 1016 Ω/cm(25°c) | ||
Dielectric Constant | 7.5-10 | |||
Chemical | Corrosion Resistance | Can not be corroded by acid or alkali at normal temperature, only can be corroded by HF at 300°c | ||
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Packing and shipment
1. vaccum packaging
2.packing with bubble film
3. with suitable boxes
We will choose the most suitble express company to promise the shiping time and to save money for our customers.
Our Workshop
Company Profile
Chongqing CYS Machinery Co., Ltd Located in Chongqing - one of the largest industrial cities in China.
we focus on designing, producing of the synthetic sapphire and ruby bearing, marine equipments etc. more than 15 years. and have rich experice in importing and exporting.
To explore new market for our products, our company often launches various products worldwide as well.
We are the company with first-rate teamwork and our motto is "to foster sustainable development, to set up sincere reputation, to improve service, to optimize investing environment, to form close strategic partnerships with customers, to serve customers wholeheartedly and to develop together with customers".
Now, facing the keen competition of the market, and with rich experience in international trade, we have a high reputation, good quality products and competitive price. We have had cooperation with worldwide enterprises. We hope that our work can make your business perfect. We are looking forward to establishing relationships with you in the near future.
we focus on designing, producing of the synthetic sapphire and ruby bearing, marine equipments etc. more than 15 years. and have rich experice in importing and exporting.
To explore new market for our products, our company often launches various products worldwide as well.
We are the company with first-rate teamwork and our motto is "to foster sustainable development, to set up sincere reputation, to improve service, to optimize investing environment, to form close strategic partnerships with customers, to serve customers wholeheartedly and to develop together with customers".
Now, facing the keen competition of the market, and with rich experience in international trade, we have a high reputation, good quality products and competitive price. We have had cooperation with worldwide enterprises. We hope that our work can make your business perfect. We are looking forward to establishing relationships with you in the near future.
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