SSIC Silicon carbide sleeve

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Specification

Special ceramics:

Special ceramics

SSIC Silicon carbide sleeve

Here are some of the pressure sintered silicon carbide products, physical and chemical parameters:

medium	content	Causticity
medium	content	Atmospheric SIC	The reaction SIC WC	WC	AL2O3	ZrO2	Si3N4	stainless steel	steel
HNO3 nitric acid	50%	A	A	C	A	A	C	C	C
Hydrochloric acid HCI	35%	A	A	C	A	A	C	C	A
Sulfuric acid H2SO4	98%	A	A	C	A	A	C	C	A
Hydrofluoric acid HFF	40%	A	C	C	C	C	C	C	C
Phosphoric acid H5PO4 215OC	85%	C	C	C	C	C	C	C	C
HNO3+HF	20%+5%	A	C	C	C	C	C	C	C
Sodium chlorate NaCIO	10%	A	B	C	A	A	A	C	A
Sodium hydroxide NaOHH	50%	A	C	A	B	A	B	A	A
Potassium hydroxide KOH		A	C	A	B	A	B	A	A
Acetic acid CH3COOHH	80%	A	A	C	A	A	C	C	C
Sodium sulfate + Na2CO3 + H2SO4 925OC		A	A	C	A	A	C	C	B
Silica solution SIO2		B	C	C	C	C	C
Assessment Method: the specimen prior polishing, immersed in the test liquid (70OC) for 100 hours, the weight was measured and observed microstructure, weight reduction is calculated by the degree of corrosion was observed microstructure for corrosion to comprehensive judgments.
A level (corrosion): corrosion rate ≤0.125mm / ingredients in a small amount of corrosion observed slice
Level B (somewhat resistant): corrosion rate = 0.125-1.0mm / or annual corrosion rate ≤0.125mm / observe a large number of corrosion

Class C (resistant to corrosion): corrosion rate ≥1.0mm / or the main ingredient of Corrosion

Silicon carbide performance indicators

Index Name	Atmospheric SiC	Reaction Bonded Silicon Carbide
Purity (%) of silicon carbide	＞ 97	＞90
Density (g / cm)	3.06-3.15	＞3.05
Particle size (um)	0.5-0.7	8-20
Hardness (HRA)	≥90	≥90
Flexural Strength (MPa)	400-580	350-450
Compressive strength (MPa)	3900	＞2500
Fracture Strength (MPa)	3.05-4.6	4.3
Elastic Modulus (GPa)	380-410	420
Thermal conductivity	102.6	35-110
Coefficient of thermal expansion (1 / ℃)	4.02×10	4.3×10
Poisson's ratio	0.14	0.15

Tailor-made for customers all kinds of pumps with my company, kettle, bearing no pressure sintering silicon carbide mechanical seal, and all kinds of resistance corrosion pump parts and the accessories. Our company pressureless sintered silicon carbide products a reaction bonded silicon carbide products, can easily adapt to the harsh working conditions, in strong corrosive, strong wear, high temperature, high pressure, high strength harsh harsh under complex conditions is more outstanding. At the same time, our company to provide customers with nozzles, armored body armor plate and other special-shaped pieces of custom-made service.

Compared with the reaction sintered silicon carbide product (SSIC), the production process of the sintered silicon carbide product (RBSIC) is complex and the production investment is high. In addition, whether it is in the resistance to corrosion and abrasion, compressive and flexural fracture resistance of or high pressure, high temperature and other properties are more excellent, this is pressureless sintering silicon carbide products will in the near future completely replace reaction bonded silicon carbide products is one of the important reasons. The main varieties of the pressureless sintering silicon carbide products with all kinds of mechanical seal with sealing ring and moving ring and static ring, corrosion resistant pump, magnetic pump, shield pump components. At the same time, the production special-shaped pieces of nozzle, wire drawing die, armor plate. According to the drawings, we will provide customers with satisfactory products and customer satisfaction. Let customer satisfaction is one of the purposes of our company has been pursued, but also one of the objectives pursued by all the staff of our company.

Features: high temperature resistance, wear resistance, corrosion resistance, oxidation resistance, hardness, heat conduction

Main products: mechanical seals, pump parts, nozzles, bullet proof plate

Mechanical seals: high hardness, high wear resistance, good self - Lubrication and high heat conductivity, so the service life of mechanical seal is greatly improved.

Pump: resistance to corrosion and wear characteristic of the pressureless sintering silicon carbide become magnetic pump sliding bearing, resistant corrosion pump sleeve, shielding pump assembly, etc. various kinds of pump of choice

Nozzle: wear resistant, high temperature resistance, high hardness characteristics of the normal pressure sintering silicon carbide nozzle to become a perfect alternative to carbide nozzle

Armor: light weight, high hardness, good ballistic performance, pressureless sintering of SiC for your life and property security escort

Q: What is the heat treatment method for making the shaft made of 45 steel? What is the microstructure after heat treatment?: The method of heat treatment after quenching and tempering at high temperature is called quenching and tempering. High temperature tempering means tempering between 500-650 degrees centigrade. Quenching and tempering can make the properties and material of steel be adjusted greatly. The strength, plasticity and toughness of the steel are better, and it has good comprehensive mechanical properties. The tempered bainite is obtained after quenching and tempering.

Q: What does the structural design of the shaft include?: The name of each paragraph on the axisThe shaft structure and shape depends on the following factors: (1) axis of the blank type: (2) axis force size and distribution; (3) the nature and the connection method of fixed position, with the shaft parts; (4) the type, size and position of the bearing; (5) processing method shaft assembly method and other special requirements. Many factors that affect the structure and size of visible axis, to various factors comprehensively consider the design of shaft.

Q: What are the differences between axial and oblique strikes of hydraulic generators?: Axial flow:For low head water, the height of water head is below 10 meters. The amount of water needed is relatively large, equivalent to the amount of water above the 160mm pipe. The axial flow type of the old section needs to be constructed with cement or other materials before the installation of the water diversion channel and the vacuum vortex chamber. The indirect cost is relatively high and the project is relatively large. The new "axial flow type vortex axial flow type, this machine is not also built aqueducts and vacuum vortex chamber, directly connected pipes can use. Head height of about 2 meters, with 160mm water pipes filled with water, you can use the 300W machine. With 200mm tubes, you can use 1KW's machine. Of course, there are many matches.

Q: The difference between the drive shaft and the drive shaft and the driven shaft: The driven shaft is on the rear. Should be in the same number, they are shaft parts.

Q: In EXCEL, to compare with the month of sales, product gross margin%, because these two numbers are too big to show in the main shaft: Right column graphs and line charts select "add data labels" and adjust the value of the position to show the complete diagram.

Q: A few days ago, the spindle always stopped, because of the large amount of tasks, but also insisted on using a few days, now replaced with a frequency converter, the problem solved. This afternoon, the Y axis suddenly in the work did not move, but the manual walk a little problem, automatic walking, walk for a while stopped, this is what reason, seek expert answer..: What's the unusual sound? No manual walking. No problem. Low speed and high speed, okay? And when the Y axis doesn't move, is it still moving in the other directions?

Q: In the building, the shaft net is drawn up and down, left and right,What is the meaning of "drawing in, left and right" in the drawing of the axle net in the day building? I feel that it is enough to use only the lower opening and the left entry. And there are two axis markers. Should the default be marked with 2 layers?: I. axle network1, open: table above the size of the blueprint;2, next open: table below the size of the blueprint;3 Zuo Jin: the size of the sheet on the left of the drawing;4, right into: table in the right dimensions of the drawing;

Q: Two axle. What's the meaning of the three axle and four axle truck?: Four axle truck means: more than three axle truck, whether it is more in the front or rear

Q: Who can say in detail under the axle, burning tile, cylinder, cylinder, storm what meaning.: Failure phenomenon is the cooling and lubrication system, and metal material thermal expansion and contraction and turn the use of one problem, of course, there may be several factors at the same time all together, to know the Formula One racing a ten cylinder engine working at the same time, will happen or shrink failure the phenomenon may be just a cylinder cylinder, mainly because of the piston ring and cylinder wall cylinder piston on the severe wear or fracture caused by the original, close the cylinder because after the engine room at the bottom of the lubricating oil into the cylinder combustion chamber, not completely out of the burning exhaust gas through the exhaust system is discharged out of the car. We saw a traffic jam behind the smoke a lot of white smoke in television, and in accordance with the size of the smoke can roughly determine the severity of failure, if this phenomenon is more serious. It is likely to cause oil to spill onto the runway, which will directly result in the high risk of other racing cars

Q: CAD axonometric drawing oblique annotation, why left and right tilt?: You have a relationship with the surface right, moving coordinate change face to see. You can also try the three point fixed coordinate coordinate in command marked the same plane. The new _ command on the tools _ three. According to personal habits. As long as the operation of the different methods can achieve the purpose

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