Sep 03, 2025 Leave a message

Analysis of Corrosion Resistance of Titanium in Different Media

Products Description

Titanium Alloy Pipes

Titanium Gr 5 Gr7 Gr9 Straight Pipe

Thin Walled Gr23 Capillary Titanium Tubes

Titanium Round Bar

Pure Titanium Sheet

Grade 2 High Purity Titanium Foil

Titanium Wire Industry

 

Generally speaking, titanium exhibits good corrosion resistance in oxidizing media (such as nitric acid, chromic acid, hypochlorous acid, and perchloric acid). In these media, titanium forms a dense oxide film that effectively prevents further corrosion. However, in reducing acids (such as dilute sulfuric acid and hydrochloric acid solutions), the passivity of the oxide film is compromised, leading to relatively fast corrosion rates that increase with rising temperature and concentration.

In reducing acids, the addition of heavy metal salts can significantly inhibit corrosion. For example, titanium-palladium alloys and titanium-nickel-molybdenum alloys, through the addition of specific heavy metal elements, demonstrate markedly improved corrosion resistance compared to industrial pure titanium. This enables these alloys to perform exceptionally well in specific corrosive environments.

Titanium is one of the best metal materials for heating equipment in nitric acid solutions. When exposed to 60% nitric acid at approximately 193°C, titanium heat exchangers show no significant signs of corrosion even after years of use. Even in boiling 40% and 68% nitric acid, although the corrosion rate may be high initially, titanium's passivity is quickly restored, leading to a significant reduction in corrosion rates. This may be related to the inhibitory effect of titanium ions produced during the corrosion process.

Gr 2 Titanium Plate
Gr4 Pure Titanium Plate
Gr4 Medical Titanium Plate/Sheet
High Quality Gr1 Titanium Plate
 

In high-temperature nitric acid, titanium's corrosion resistance depends on the purity of the nitric acid. When the nitric acid concentration is between 20% and 60%, corrosion may be more pronounced. However, even in nitric acid solutions containing trace metal ions (such as Si, Cr, Fe, and Ti), these ions can help mitigate titanium corrosion. Compared to stainless steel, titanium demonstrates superior corrosion resistance in high-temperature nitric acid solutions. Additionally, titanium's corrosion product (Ti⁴⁺) itself acts as an excellent inhibitor for nitric acid corrosion.

In aerated sulfuric acid at room temperature, industrial pure titanium can only withstand sulfuric acid concentrations below 5%. As the temperature decreases, the tolerable sulfuric acid concentration increases. However, when the temperature rises to the boiling point, titanium corrodes even at sulfuric acid concentrations as low as 0.5%. At the same temperature, if nitrogen gas is introduced into the sulfuric acid solution, the corrosion rate of titanium becomes significantly higher than in aerated conditions. This corrosion behavior is generally similar in other reducing inorganic acids.

At room temperature, industrial pure titanium can withstand hydrochloric acid solutions below 7%. However, its corrosion resistance decreases significantly as the temperature rises. In comparison, titanium-nickel-molybdenum alloys can resist 9% hydrochloric acid solutions, while titanium-palladium alloys can tolerate concentrations as high as 27%. The addition of high-valent heavy metal ions (such as iron, nickel, copper, and molybdenum) can significantly enhance titanium's corrosion resistance. This is one of the reasons why titanium is successfully used in hydrochloric acid systems in the hydrometallurgical industry.

Additionally, at room temperature, industrial pure titanium can withstand phosphoric acid solutions below 30%. However, as the temperature increases, the tolerable phosphoric acid concentration gradually decreases. At 100°C, the phosphoric acid concentration must be maintained at around 2%. Nevertheless, when the temperature reaches the boiling point, it does not further accelerate titanium corrosion.

In summary, titanium's corrosion resistance in different media varies significantly due to its unique chemical properties and alloying methods. In practical applications, it is essential to select the appropriate titanium material or alloy based on specific corrosive environments and requirements to meet operational needs.

 

Titanium specifications provided by GNEE

CNC machined parts 

Type
Drilling, Etching,Chemical Machining, Laser MachiningMilling, Other Machining Service, Turning, Wire EDM,Rapid Prototyping
Material
Titanium,Aluminum, Brass, Bronze, Copper, Hardened Metal, Pre-cious Metal, Stainless Steel, Steel Alloy
Process
CNC Machining,CNC Turning, CNC Milling, CNC Boring,CNC Grinding,CNC Drilling
Surface Treatment
Anodizing,Plating,Polishing,Sandblasting,Laser Engraving,Oxide Black,Nickel Plating,Chrome Plat Or Customer's Requirements
Tolerance
+/-0.01mm
Lead Time
Sample: 7 days
Mass Production
2-3 weeks
Package
Standard Carton Or Plastic Tray, Sponge Tray, CardboardTray, etc., Can Be Customized According To CustomerRequirements
Application
Appliance,Auto, Building, Capital equipment, Energy,Instrumentation,Medical device.Telecommunications

 

Titanium tube

Material

Pure Titanium/ Titanium Alloy

Standard

GB/T 3624,GB/T 3625,GB/T 26057

ASTM B337,ASTM B338,ASTM B861,ASTM B862

JIS H 4630

Common Grade

National standard grades: TA1, TA2, TC4, TA9, TA18, TA10
American standard grades: GR1, GR2, GR5, GR7, GR9, GR12



Size

Length: 50-6000mm or according to customer requirements

Outer diameter: 6-80mm or according to customer requirements

Wall thickness: 0.35-10mm or according to customer requirements

Production Process

Welding or Seamless

Section shape

Round and others

Surface

Bright annealing, Pickling,Polishing

Packing

Coil or straight length by boxes

 

Titanium rod

item

Titanium Bars /Titanium Rod

Standard

GB/T2965-2007,JIS H4650-2001,ASTM B348-06,DIN17862-93,

ASTM F136,AMS4928,GB/T13810,Q/BS5331-91,etc

Grade

TA1,TA2,TA3,TA7,TA9,TA10,TC4,TC4ELI,TC6,TC9,TC10,TC11,

GR1,GR2,GR3,GR5,GR7,GR12

Diameter

1-500mm

Length

1-12m

Surface

Black,polish,brush,hair line,etc

Package

Standard export package ,by wooden box ,or as required

Application

Titanium bar Is mainly used in machinery and equipment, electroplate

equipment, medical and all kinds of precision parts and other

industries

 

Titanium Sheet/Coil 

Titanium Plate and sheet Type

Plate, Sheet, Strip, Coils, Foils, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim
Sheet, Rolls, Blank (Circle), sheared, annealed, soft annealed, descaled, tread plate, Checker Plate

Grade

Gr1 Gr2 Gr3 Gr4 Gr7 Gr9 Gr12 ASME SB265,AMS 4911,AMS 4919,AMS 4914,ASTM F67,ASTM F136, MSRR, AMS, BS

Titanium Alloy Plate Length

1000mm-13000mm or as required

Titanium Plate Width

1000mm-1219mm-1500mm-1800mm-2000mm-2500mm or as required

UNS Plate Thickness

0.3 to 120mm or as required

ASTM B265 Titanium Alloy Plate Process

Hot/ Cold Rolled/forging

Titanium Sheet ASTM

ASTM B265

Titanium Sheet AMS

AMS 4902

Tolerances of width and thickness

EN 10258 (formerly DIN 59381),EN 10151 ASTM B265 Titanium Alloy strip for springs,EN 10088 ASTM B265 Titanium Alloy strip
(general)

Cp Titanium Plate standards and approvals

EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 EN ISO 9445 ASTM A 480 ASTM A 959 ASME IID

Standard Plate & Sheet Sizes

1000 x 2000 mm, 1220 x 2440 mm, 1500 x 3000 mm, 2000 x 2000 mm, 2000 x 4000 mm

Cold rolled Titanium Plate 0.5-6.4 mm

Hot rolled Titanium Plate 3.0–60.0 mm

UNS Plate Hardness

Soft, Hard, Half Hard, Quarter Hard, Spring Hard ASTM B265 Titanium Alloy Sheet suppliers

Availability of Titanium Alloy Foil sizes

Thickness : 8-100 microns (0.00031-0.004 in)

Width: Up to 500 mm (19.5 in)

Weight (in rolls) : Up to 50 kg (110 lb); e.g. approxi- mately 1400 m at 8 microns and ap- proximately 112 m at 100 microns.

Cutting

To provide a comprehensive service, we use a variety of cutting methods, including:

Plasma profiles

As per customer's drawings

Value added services for Cp Titanium Plate

Laser cutting, Waterjet cutting, Plasma cutting, Bending and mechanical processing, edge preparation, welding, sawing and
shearing.

China Titanium Plate Manufacturer

ASTM B265 Titanium Alloy Plate: material 3/16″ [5.00 mm] and over in thickness and over 10″ [250 mm] in width; Titanium Sheet:
material under 3/16″ [5.00 mm] in thickness and 24″ [600 mm] and over in width;Alloy Titanium Clad plate: Alloy Titanium Clad
plate is a composite steel plate made by bonding UNS Titanium Plate, etc.ASTM B265 Titanium Alloy Strip: cold-rolled material
under 3/16″ [5.00 mm] in thickness and under 24″ [600 mm] in width.

UNS Plate Origin

CHINA

Packing of DIN plate

Bundles with waterproof cloth outside or plywood box

Test

UT, SGS testing, TUV etc

 

titanium wire

Product Name

Factory direct titanium wire pure titanium alloy wire special specifications can be sold

Material

Pure titanium and Titanium alloy

 

Titanium Grade
GR1/GR2/GR3/Gr4/GR5/GR7/GR9/GR12/Gr5Eli/Gr23

ERTi-1/ERTi-2/ERTi-3/ERTi-4/ERTi-5Eli/ERTi-7/ERTi-9/ERTi-11/ERTi-12

Ti15333/Nitinol Alloy

Standard

AWS A5.16/ASTM B863/ASME SB863, ASTMF67, ASTM F136, ISO-5832-2(3) etc

Shape

Titanium Coil Wire/Titanium Spool Wire/Titanium Straight Wire

Wire Gauge

Dia(0.06--6) *L

Process

Bar billets-hot rolling-drawing-annealing-strength-pickling

Surface

Polishing, picking, acid washed, black oxide

Main Technique

Hot Forged; Hot Rolled; Cold drawn; Straighten etc

Material Milling Certificate

According to. EN 10204.3.1
Including Chemical composition and Mechanical property

Application

Welding, Industry, Medical, Aerospace, Electronic etc

 

about Us

The company boasts leading domestic titanium processing production lines, including:

German-imported precision titanium tube production line (annual production capacity: 30,000 tons);

Japanese-technology titanium foil rolling line (thinnest to 6μm);

Fully automated titanium rod continuous extrusion line;

Intelligent titanium plate and strip finishing mill;

The MES system enables digital control and management of the entire production process, achieving product dimensional accuracy of ±0.01μm.

4242

 

Send Inquiry

whatsapp

Phone

E-mail

Inquiry