Production Introduction
The titanium Grade 2 ultrasonic horn is an important part of the ultrasonic vibration system.
Its main function is to amplify the particle displacement or velocity of mechanical vibration and concentrate the ultrasonic energy on a small area, that is, energy accumulation.
The titanium Grade 2 Ultrasonic horn we machined is mainly used on medical equipment, especially for medical mask equipment.
Features
|
Grade |
Tensile strength RM/Mpa(>=) |
Yield strength Rp0.2(MPa) |
Elongation A4D(%) |
Reduction of area Z(%) |
|
Grade 1 |
240 |
138 |
24 |
30 |
|
Grade 2 |
345 |
275 |
20 |
30 |
|
Grade 3 |
450 |
380 |
18 |
30 |
|
Grade 4 |
550 |
483 |
15 |
25 |
|
Grade 5 |
895 |
828 |
10 |
25 |
|
Chemical Composition |
Main Components |
Impurity |
|||||
|
Ti |
Fe |
Si |
C |
N |
H |
O |
|
|
Industrial Pure Titanium |
Other |
0.15 |
0.1 |
0.05 |
0.03 |
0.015 |
0.15 |
|
Nominal Component |
Heat Treatment Status |
Tensile Strength |
Elongation |
Cold bending Angle |
|||
|
MPa |
% |
||||||
|
Industrial Pure Titanium |
Annealing |
340-490 |
30 |
130 |
Materials Performance
Grade 2 pure titanium belongs to industrial pure titanium. The strength is not high, but the plasticity is good, it is easy to process and form, and the stamping, welding, and machinability are good.
It has good corrosion resistance in the atmosphere, seawater, wet chlorine, oxidizing, neutral, and weak reducing media, and its oxidation resistance is better than most austenitic stainless steels.
However, the heat resistance is poor and the service temperature should not be too high.
Grade2 pure titanium has great chemical activity and has a strong chemical reaction with O, N, h, Co, CO2, water vapor, ammonia, etc. in the atmosphere. When the carbon content is more than 0.2%, hard tic will be formed in titanium alloy; When the temperature is high, tin will also be formed by interaction with n
Hard surface; When the temperature is above 600 ℃, titanium absorbs oxygen to form a hard layer; With the increase of hydrogen content, the brittle layer will also be formed. The depth of the hard and brittle surface layer produced by gas absorption can reach 0.1 ~ 0.15 mm, and the hardening degree is 20% ~ 30%. The chemical affinity of titanium is also large, and it is easy to adhere to the friction surface.
Grade 2 pure titanium can still maintain its mechanical properties at low and ultra-low temperatures. Titanium alloys with good low-temperature properties and very low interstitial elements, such as TA7, can maintain certain plasticity at -253 ℃. Therefore, titanium alloy is also an important low-temperature structural material.
Grade 2 pure titanium works in humid atmosphere and seawater, and its corrosion resistance is much better than that of stainless steel; It has strong resistance to pitting corrosion, acid corrosion, and stress corrosion; It has excellent corrosion resistance to alkali, chloride, chlorine organic substances, nitric acid, sulfuric acid, etc. However, titanium has poor corrosion resistance to reducing oxygen and chromium salt media.
The service temperature of Grade 2 pure titanium is several Baidu higher than that of aluminum alloy. It can still maintain the required strength at medium temperature and can work at 450 ~ 500 ℃ for a long time.
These two types of titanium alloys still have very high specific strength in the range of 150 ℃ ~ 500 ℃, while the specific strength of aluminum alloy decreases significantly at 150 ℃. The working temperature of titanium alloy can reach 500 ℃, while that of aluminum alloy is below 200 ℃.
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