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Composition: Titanium Grade 1 is commercially pure titanium (CP-Ti) with 99.5% titanium. It has minimal alloying elements and provides excellent resistance to corrosion, especially in mild corrosive environments.
Properties:
Corrosion resistance: Superior in most environments, especially in oxidizing environments, seawater, and mild acids.
Strength: Gr1 is the softest and most ductile of titanium alloys, with moderate strength.
Formability: Excellent workability and weldability, making it ideal for applications requiring complex shapes and structures.
Applications: Used primarily in chemical processing, marine equipment, desalination plants, and storage tanks where corrosion resistance is more critical than strength.
Titanium Grade 2 (Gr2)
Composition: Grade 2 is also commercially pure titanium but with slightly more iron content (up to 0.3%), which enhances its strength over Gr1 while retaining good corrosion resistance.
Properties:
Corrosion resistance: Excellent resistance to a wide range of chemicals, including chlorides, acids, and alkalines, making it well-suited for chemical reactors, heat exchangers, and marine applications.
Strength: Higher than Grade 1, offering a good balance between strength and weight. However, it is not as strong as higher-strength titanium alloys like Grade 5.
Formability: Excellent weldability and workability. Gr2 is widely used in pressure vessels, tanks, and piping systems.
Applications: Common in seawater desalination, chemical process equipment, storage tanks, and marine environments.
Titanium Dish Shaped Hemispherical Heads
A dish-shaped hemispherical head is one of the most common types of pressure vessel heads. The hemispherical shape is ideal for pressure applications due to its structural efficiency in distributing pressure uniformly across the surface. Titanium is particularly well-suited for these applications due to its high strength-to-weight ratio and corrosion resistance.
OD300-1250mm, Or customized by customers' requests
Thickness
As customers' requets
Processing
Cold forming and hot forming
Inspection
100% Ultrasonic Test and PT test after forming. (As per requirement.)
Surface
Pickled,Sand-blasting
MOQ
3PCS
Titanium Hemispherical Head Manufacturing Process
Titanium hemispherical heads are typically produced using processes like deep drawing, hot forming, or pressing. The general process includes:
Sheet Preparation: Titanium alloy sheets are cut to the required size.
Forming: The titanium sheet is heated and then pressed or drawn into the hemispherical shape using a press or a forming die.
Welding: If needed, the hemispherical head is welded to the cylindrical body of the vessel or tank. Titanium welding requires careful control of heat and the welding environment to prevent contamination.
Post-Processing: After forming and welding, the titanium hemispherical heads may undergo treatments such as pickling, polishing, or passivation to enhance corrosion resistance and surface quality.
ASTM B265
Fe max
O max
N max
C max
H max
Pd
Al
V
Mo
Ni
Elong'n
Rp 0.2
Rm
No
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
%
MPa
MPa
Grade 1
0.2
0.18
0.03
0.1
0.015
24
170-310
240
Grade 2
0.3
0.25
0.03
0.1
0.015
20
275-450
345-480
Grade 3
0.25
0.3
0.05
0.1
0.015
18
360-480
480-700
Grade 4
0.5
0.4
0.05
0.1
0.015
15
500-530
600-680
Grade 5
0.4
0.2
0.05
0.1
0.015
5.5-6.7
10
800-1100
890-1400
Grade 6
0.1
16
780-820
820-860
Grade 7
0.3
0.25
0.03
0.1
0.015
0,12-0,25
20
275-450**
345
Grade 9
0.25
0.15
0.02
0.05
0.015
2,5-3,05
15
550
650
Grade 11
0.2
0.18
0.03
0.1
0.015
0.12-0.25
24
170-310**
240
Grade 12
0.3
0.25
0.03
0.1
0.015
0.3
0.8
25
414-460
499-600
Grade 13
0.5
Grade 14
0.5
Grade 15
0.5
Grade 16
0.04-0.08
27
345
485
Grade 17
0.18
0.04-0.08
35
206
345
Advantages of Titanium Hemispherical Heads
Corrosion Resistance:
Titanium alloys, particularly Grade 1 and Grade 2, are known for their superior corrosion resistance, which is crucial in chemical and marine environments.
Strength-to-Weight Ratio:
Titanium offers a high strength-to-weight ratio, meaning that the heads can withstand high internal pressures without adding significant weight, which is important in industries like aerospace and marine.
Longevity:
Due to titanium’s excellent resistance to corrosion, hemispherical heads made from this material have a long service life with minimal maintenance.
High Temperature Resistance:
Titanium Grade 5, in particular, is suitable for high-temperature applications, ensuring structural integrity in extreme heat environments.
Biocompatibility:
Grade 1 and Grade 2 titanium are biocompatible, making them ideal for applications in medical equipment, such as implants and surgical instruments.
Applications of Titanium Hemispherical Heads
Pressure Vessels:
Used in industries such as petrochemical, pharmaceuticals, and food processing where internal pressure needs to be safely contained.
Heat Exchangers:
Titanium heads are used in heat exchangers due to their resistance to corrosion and ability to withstand high thermal loads.
Storage Tanks:
Used in storage tanks that require excellent resistance to corrosion from chemicals or acids.
Aerospace:
The strength and lightweight properties of titanium make it ideal for aerospace applications, including in fuel tanks and pressurized components.
Marine Applications:
Ideal for seawater contact, where titanium’s resistance to chloride-induced corrosion is crucial.
Power Generation:
Used in the construction of reactors and other high-pressure, high-temperature components in the power generation industry.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
2000000-4000000
Ecer Certification：
Verified Supplier
Baoji Lihua Non-ferrous Metal Co., Ltd. was established in 2006. The company relies on theadvantages of Baoji industry and its strong technical support. It has been engaged in theproduction and sales of non-ferrous metals such as titanium, tantalum and nickel for many years.
The factory covers an a... Baoji Lihua Non-ferrous Metal Co., Ltd. was established in 2006. The company relies on theadvantages of Baoji industry and its strong technical support. It has been engaged in theproduction and sales of non-ferrous metals such as titanium, tantalum and nickel for many years.
The factory covers an a...
