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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.
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
Products Description
Specification
Material
Can not be corroded by acid or
alkali at normal temperature, only can be corroded by HF at 300°c
Product Show
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Packing and shipment
We will choose the most suitble express company to promise the shiping time and to save money for our customers.
Our Workshop
Company Profile
C
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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Step 1
Payment and order readiness
Minimum order: 10 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
15 days
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Step 3
Packaging and dispatch
Estimated delivery: Aug 25–Sep 1 (0–1 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
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