GH4738 High Temperature Alloy Steel Wire 8.22g/cm³ Density 1390°C Melting Point for Aerospace and Energy Applications
Price:
Negotiable
MOQ:
5 Kg
Delivery Time:
5-21 days
Brand:
Victory
Product Description
GH4738 High Temperature Alloy Steel Wire Overview
GH4738 (also known as GH738) is a premium Ni-Cr-Co based precipitation hardening superalloy engineered for exceptional high-temperature performance. With a density of 8.22 g/cm³ and non-magnetic properties, this alloy maintains structural integrity in demanding environments up to 815°C.
Technical Specifications
Physical Properties
Density: 8.19 g/cm³
Melting Point: 1390°C
Tensile Strength: 1100 MPa (room temperature)
Yield Strength: 600 MPa (room temperature)
Elongation: 30% (room temperature)
Melting Point: 1390°C
Tensile Strength: 1100 MPa (room temperature)
Yield Strength: 600 MPa (room temperature)
Elongation: 30% (room temperature)
Chemical Composition (%)
| Element | Content Range |
|---|---|
| C | 0.03-0.1 |
| Si | ≤0.15 |
| Mn | ≤0.1 |
| S | ≤0.015 |
| P | ≤0.015 |
| Cr | 18-21 |
| Co | 12-15 |
| Mo | 3.5-5 |
| Ti | 2.75-3.25 |
| Al | 1.2-1.6 |
| Fe | ≤2.0 |
| Ni | Balance |
| B | 0.003-0.01 |
| Zr | 0.02-0.08 |
Mechanical Properties (Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength | 1210 MPa |
| Yield Strength | 830 MPa |
| Elongation | 14% |
Material Characteristics
GH4738 alloy delivers exceptional high-temperature stability and mechanical performance, capable of continuous operation at 650°C and short-term performance maintenance from 750°C to 815°C. The material withstands temperatures up to 730°C for over 3,000 hours while maintaining structural integrity.
Heat Treatment Process
The heat treatment process is critical for GH4738's performance in extreme environments. Standard procedures include solution treatments and age-hardening steps at varying temperatures to address internal stresses and enhance strength and hardness.
Application Areas
Aerospace Industry
Used in turbine discs, working blades, and high-temperature fasteners for aircraft engines and propulsion systems, providing excellent high-temperature strength and oxidation resistance.
Energy Sector
Essential for high-temperature components in gas turbines, nuclear power stations, and thermal power plants. Applications include high-temperature steam pipes, heat exchangers, and burner components ensuring safe and efficient power generation.
Chemical Processing
Manufactured into high-temperature reactors and catalyst carriers that operate under extreme conditions of temperature, corrosion, and pressure.
Product Images
Contact & Customization
Email: victory@dlx-alloy.com
OEM Service: We welcome customized sizes and provide comprehensive OEM & ODM services with extensive manufacturing experience.
OEM Service: We welcome customized sizes and provide comprehensive OEM & ODM services with extensive manufacturing experience.
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Get in Touch
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Company
Changzhou Victory Technology Co., Ltd
Location
NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
Contact Person
Victory