Application of Titanium Alloys in Marine Engineering - Knowledge

Products Description

Titanium alloys are widely used in marine engineering due to their excellent corrosion resistance, high strength, low density, and other characteristics, making them the material of choice for many marine equipment.

Oil Extraction and Offshore Platforms

An American company utilized seamless titanium alloy tubes to manufacture nearly 500-meter-long riser pipes for offshore drilling platforms. These riser pipes are lightweight, possess high fracture toughness, and have a long fatigue life, significantly reducing ballast costs. Ti-6Al-4V (Gr.5) alloy is the optimal material for drilling pipes, as its yield strength and fatigue strength are highly suitable for drilling applications. Additionally, small titanium components such as pumps, valves, connectors, and fasteners are widely used on oil extraction platforms.

Harbor Structures

Titanium materials have an oxide film on their surface with a thickness of no more than 10 nm, providing excellent corrosion resistance to air, seawater, and marine environments. Japan has extensively used titanium materials in marine development projects such as bridges, cross-sea roads, airports, and port logistics bases. Titanium not only offers outstanding anti-corrosion properties but is also non-toxic and does not pollute the environment.

Coastal Power Plants

Condensers are equipment that utilizes large volumes of seawater. Since seawater contains a significant amount of corrosive substances, traditional condenser materials like copper alloy tubes are often severely damaged. Titanium, however, exhibits excellent corrosion resistance in seawater, especially polluted seawater, making it widely used in condenser manufacturing.

Seawater Desalination Plants

Water scarcity has become a global issue. Seawater desalination is an effective method for humans to address freshwater shortages. Based on the development of seawater desalination domestically and internationally, two primary methods are used: distillation and reverse osmosis. Due to its exceptional corrosion resistance in seawater, titanium is widely used as heat exchanger tubes in desalination plants. By 2004, over 15,000 desalination plants had been built or were under construction worldwide, with titanium materials extensively employed.

Ships

Titanium and its alloys are corrosion-resistant in seawater and marine atmospheres, lightweight, high-strength, impact-resistant, non-magnetic, acoustically transparent, and have a low expansion coefficient, making them ideal materials for ships. Navies and shipbuilding industries worldwide place great emphasis on the application of titanium in ships, developing numerous grades of marine titanium alloys. Titanium is widely used in hull structures, deep-sea survey vessels, pressure hulls of submarines, pipelines, valves, rudders, and other components.

Ocean Thermal Energy Conversion

The ocean harbors vast thermal energy resources. Equipment made from titanium and its alloys can efficiently perform ocean thermal energy conversion. Due to its excellent corrosion resistance and high strength, titanium is an ideal material for ocean thermal energy conversion systems.

Additionally, titanium has found extensive applications in marine fisheries, such as titanium metal nets and titanium tube heat exchangers used in aquaculture technology.

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.

E-mail

sale@gneemetal.com