OT4 Titanium Alloy (ОТ4 титановый сплав)Aerospace & High Strength Titanium | Russian Metals
Russian Metals supplies premium quality OT4 Titanium Alloy for aerospace, aviation, defense, industrial engineering, and structural applications.
Our OT4 titanium products are manufactured with strict quality standards to ensure superior durability, corrosion resistance, and mechanical performance. We are a trusted Russian titanium alloy supplier delivering high-performance titanium solutions globally.
Product Overview of OT4 Titanium Alloy
OT4 Titanium Alloy (ОТ4 титановый сплав) is a high-performance aerospace titanium alloy widely used in aviation and structural engineering industries.
The alloy provides excellent corrosion resistance, lightweight strength, weldability, and thermal stability.
OT4 is commonly selected for:
- Aerospace titanium components
- Aviation structural systems
- High strength engineering applications
- Heat resistant titanium alloy requirements
- Aerospace titanium alloy
- Excellent weldability
- Superior corrosion resistance
- Lightweight structural alloy
- High thermal stability
What is OT4 Titanium Alloy?
OT4 is a Russian titanium alloy grade engineered for applications requiring high structural reliability, lightweight strength, and excellent environmental resistance.
The alloy demonstrates outstanding weldability and stable mechanical properties under elevated temperatures.
Also known as:
- ОТ4 титановый сплав
- титановый сплав ОТ4
- forged titanium alloy OT4
- OT4 equivalent titanium alloy
- Russian titanium alloy equivalent
Key Features of OT4 Titanium Alloy
High Strength Performance
OT4 offers exceptional strength-to-weight ratio suitable for aerospace and aviation structures.
Corrosion Resistance
The alloy performs excellently in aggressive industrial and marine environments.
Heat Resistance
This heat resistant titanium alloy maintains structural stability under elevated operating temperatures.
Weldability
Excellent fabrication and welding properties for aerospace manufacturing.
Lightweight Structural Alloy
Ideal for lightweight aerospace titanium components and aviation systems.
OT4 Titanium Alloy Supply Range
Russian Metals supplies OT4 Titanium Alloy in multiple forms for aerospace, aviation, defense, industrial engineering, and structural applications.
Variants of OT4 Titanium Alloy
Russian Metals supplies OT4 titanium products in various forms
Benefits of OT4 Titanium Alloy
Engineered for aerospace and high-performance applications where strength, corrosion resistance, and thermal stability are critical.
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Excellent strength-to-weight ratio ideal for aerospace and aviation engineering
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Long service life with outstanding durability in demanding operating environments
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Superior corrosion resistance providing reliable protection against oxidation and chemical exposure
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Heat resistant structure with excellent thermal stability under high-temperature conditions
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Manufacturing flexibility suitable for machining, forging, welding, and fabrication processes
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Excellent weldability with fabrication properties for aerospace manufacturing
Applications of OT4 Titanium Alloy
OT4 titanium alloy is widely used in aerospace, aviation, defense, marine, and industrial engineering.
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Aerospace titanium components
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Aviation structural systems
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Aircraft engine components
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Defense engineering systems
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Structural titanium alloy applications
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Industrial heat-resistant assemblies
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Marine engineering components
Technical Specifications of OT4 Titanium Alloy
Complete technical reference for engineers, buyers, and quality assurance teams.
Product Specifications of OT4 Titanium Alloy
Material grade, classification, available forms, mechanical properties, heat treatment, and supply information.
| Specification | Details |
|---|---|
| Product Name | OT4 Titanium Alloy (ОТ4 титановый сплав, Aerospace titanium alloy) |
| Brand | Russian Metals |
| Material Type | Titanium Alloy / Aerospace Titanium Alloy |
| Grade | OT4, ОТ4, Russian aerospace titanium alloy |
| Material Classification | High strength titanium alloy / Heat resistant titanium alloy / Aerospace titanium alloy / Aviation titanium alloy / Corrosion resistant titanium alloy |
| Available Forms | Titanium round bar, rod, sheet, plate, billet, wire, forging, flat bar, tube, aerospace titanium components |
| Common Usage | Aerospace titanium components, aviation structural systems, aircraft engine components, defense engineering, structural titanium alloy applications, industrial heat-resistant assemblies, marine engineering |
| Surface Finish | Bright, mill finish, as required |
| Shape Options | Round, flat, forged components, tube, machined parts |
| Size Options | Custom sizes available as per requirement |
| Heat Treatment Condition | Annealing as per GOST 22178-76 / GOST 26492-85 / GOST 23755-79 |
| Standard | GOST 19807-91 / GOST 22178-76 / GOST 26492-85 / GOST 23755-79 |
| Supply Type | Supplier, manufacturer, exporter and stockist |
| Price | OT4 titanium alloy price available on request |
| Customization | Available as per drawings, dimensions and application needs |
Chemical Composition, Mechanical & Physical Properties of OT4 Titanium Alloy (ОТ4)
Certified composition and performance metrics for OT4 aerospace titanium alloy according to GOST 19807-91, GOST 22178-76, GOST 26492-85, and GOST 23755-79.
Characteristics of OT4 Titanium Alloy
| Property | Value |
|---|---|
| Grade | OT4 Titanium Alloy (ОТ4 титановый сплав) |
| Classification | High strength titanium alloy / Heat resistant titanium alloy / Aerospace titanium alloy / Aviation titanium alloy / Corrosion resistant titanium alloy |
| Designation | Russian titanium alloy for aerospace and structural engineering applications requiring high structural reliability and lightweight strength |
Chemical Composition in % of OT4 Material
GOST 19807-91
| Fe | C | Si | Mn | N | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|
| up to 0.3 | up to 0.1 | up to 0.12 | 0.8 - 2 | up to 0.05 | 3.5 - 5 | up to 0.3 | up to 0.15 | up to 0.012 | other 0.3 |
Technological Properties of the OT4 Material
| Property | Value |
|---|---|
| Weldability | without restrictions |
Mechanical Properties at T=20°C of Material OT4
Multiple forms and GOST specifications
| Assortment | Size (mm) | Example | σin (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Thermal Processing |
|---|---|---|---|---|---|---|---|---|
| Annealed sheet, GOST 22178-76 | - | - | 685 | - | 10-20 | - | - | Annealing |
| Rod, GOST 26492-85 | - | - | 635-685 | - | 8 | 20-25 | 350-400 | Annealing |
| Rod, high quality, GOST 26492-85 | - | - | 635-885 | - | 9-11 | 21-30 | 350-400 | Annealing |
| Plate, GOST 23755-79 | 11 - 150 | - | 685-885 | - | 6-8 | 10-15 | - | Annealing |
Hardness of OT4
| Condition | Hardness Value |
|---|---|
| Hardness OT4, Annealed alloy | HB 10⁻¹ = 207 - 285 MPa |
Physical Properties of the Material OT4
At T=20°C
| T (°C) | E 10⁻⁵ (MPa) | α 10⁶ (1/Grade) | λ (W/(m·deg)) | ρ (kg/m³) | C (J/(kg·deg)) | R 10⁹ (Ohm·m) |
|---|---|---|---|---|---|---|
| 20 | 1.1 | - | - | 4550 | - | - |
Mechanical Properties Legend
Notation and units for mechanical property values
| Symbol | Description |
|---|---|
| σin | Tensile strength [MPa] |
| σT | Yield stress [MPa] |
| δ5 | Specific elongation at fracture [%] |
| ψ | Reduction of area [%] |
| KCU | Impact strength [kJ/m²] |
| HB | Brinell hardness [MPa] |
Physical Properties Legend
Notation and units for physical property values
| Symbol | Description |
|---|---|
| T | Test temperature [Grade] |
| E | Young modulus [MPa] |
| α | Coefficient of linear expansion (20° - T) [1/Grade] |
| λ | Thermal (heat) condition coefficient [Watt/(m·Grade)] |
| ρ | Density [kg/m³] |
| C | Specific heat (range 20° - T) [J/(kg·Grade)] |
| R | Electrical resistance [Ohm·m] |
Heat Treatment Guidelines for OT4 Titanium Alloy
| Process | Description |
|---|---|
| Annealing | As per GOST 22178-76 / GOST 26492-85 / GOST 23755-79 — standard heat treatment for OT4 |
| OT4 Heat Treatment | Annealing provides optimal balance of strength and ductility |
| Aerospace Thermal Processing | Controlled processing for consistent mechanical properties |
| Quality Verification | Heat treatment validation included in quality inspection procedures |
Available Delivery Forms
| Product Type | Description |
|---|---|
| Titanium Round Bars | Standard and custom dimensions as per GOST 26492-85 |
| Titanium Rods | Various diameters available |
| Titanium Sheets and Plates | Standard and custom thicknesses as per GOST 22178-76 / GOST 23755-79 |
| Titanium Forgings | Custom forged components for aerospace applications |
| Titanium Wire | Various gauges available |
| Titanium Flat Bars | Standard and custom sizes |
| Titanium Tubes | Standard and custom dimensions |
| Aerospace Components | Precision machined titanium parts |
Control & Diagnostics of OT4 Titanium Alloy
Every OT4 titanium alloy product undergoes strict quality inspection.
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Chemical composition analysis
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Mechanical property testing
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Hardness testing
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Heat treatment validation
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Structural inspection
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Surface quality control
Complete aerospace-grade datasheet available for engineering applications. Russian Metals provides complete OT4 titanium datasheet documentation and material certification upon request.
Why Choose Russian Metals for OT4 Titanium Alloy?
Premium quality aerospace titanium alloy materials with global supply capability from India.
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Trusted Russian titanium alloy supplier providing reliable aerospace-grade titanium products worldwide
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Aerospace quality standards with all OT4 materials manufactured under strict industrial compliance
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Global supply capability supporting bulk industrial and aerospace requirements internationally
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Multiple product forms available in bars, rods, plates, sheets, billets, forgings, and tubes
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Competitive pricing with direct supply chain support for cost-effective procurement
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Expert engineering team with deep knowledge of Russian titanium alloy grades and GOST specifications
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Fast global delivery from India to international aerospace and industrial customers
Order OT4 Titanium Alloy from Russian Metals
Contact Russian Metals for high-quality ОТ4 титановый сплав supply and technical support.
* OT4 Titanium Alloy (ОТ4 титановый сплав) — High strength aerospace titanium alloy: chemical composition (Ti-Al-Mn system with Manganese), mechanical properties (σin = 635-885 MPa, δ5 = 6-20%, KCU = 350-400 kJ/m²), physical properties (E = 1.1 × 10⁵ MPa, ρ = 4550 kg/m³), heat treatment guidelines, and applications for aerospace titanium components, aviation structural systems, aircraft engine components, defense engineering, structural titanium alloy applications, industrial heat-resistant assemblies, and marine engineering components.
Contact Russian Metals today to order premium OT4 titanium round bars, rods, sheets, plates, billets, forgings, wires, tubes, flat bars, and aerospace titanium alloy products for your engineering requirements. купить ОТ4, ОТ4 цена, поставщик ОТ4.