GH4169 high temperature alloy rod is a precipitation-hardened nickel-based superalloy known for its exceptional balance of mechanical properties across a wide temperature range. Composed primarily of nickel (50-55%), chromium (17-21%), and reinforced with niobium, molybdenum, and titanium, GH4169 rod delivers superior strength, toughness, and stability in both cryogenic and high-temperature environments. This alloy is designed to perform reliably in extreme thermal conditions, from as low as -253°C to temperatures up to 650°C.

As a professional high temperature alloy bar supplier, we provide GH4169 rod that is widely used in industries like aerospace, power generation, and automotive manufacturing, specifically in turbo systems. It boasts impressive mechanical properties, including high tensile strength (1,240 MPa at room temperature), fatigue resistance, creep resistance, and corrosion resistance. It also offers excellent weldability and machinability, making it ideal for precise fabrication into complex parts.

Key Properties

• Temperature Range: GH4169 maintains structural integrity in temperatures from -253°C to 650°C, making it suitable for both cryogenic and elevated temperatures.

• Tensile Strength: High tensile strength of 1,240 MPa at room temperature ensures superior load-bearing capacity.

• Fatigue Resistance: Its excellent fatigue resistance makes it ideal for components subject to repeated stress, such as turbine disks and automotive turbo systems.

• Creep Resistance: Resists deformation under prolonged high-temperature exposure, vital for long-term use in extreme conditions.

• Corrosion Resistance: The alloy excels in harsh environments, including marine and chemical processing, extending component life.

• Weldability and Machinability: Easy to weld and machine, allowing for precise fabrication into complex parts without compromising performance.

 

Comparison Parameter Table

Item

A-286

Nimonic80A

Nimonic 90

GH1140

GH3625

GH3536

GH4169

C

≤0.08

≤0.1

≤0.13

0.06-0.12

≤0.1

0.05-0.15

≤0.08

Mn

≤2

≤1

≤1

≤0.7

3.14-4.15

--

≤0.35

Fe

rest

≤3

≤1.5

rest

≤0.5

--

rest

P

≤0.04

≤0.02

--

≤0.025

--

--

--

S

≤0.03

≤0.015

≤0.015

≤0.015

--

--

≤0.01

Si

≤1

≤1

≤1

≤0.8

--

--

≤0.35

Cu

--

--

≤0.2

--

--

--

≤0.3

Ni

24-27

rest

--

35-40

rest

rest

50-55

Co

--

≤2

15-21

--

≤1.00

0.5-2.5

≤1.00

Al

≤0.35

1-1.8

1-2

0.2-0.6

≤0.4

≤0.5

0.2-0.8

Ti

1.9-2.35

1.8-2.7

2-3

0.7-1.2

≤0.4

≤0.15

0.7-1.15

Cr

13.5-16

18-21

18-21

20-23

20-23

20.5-23

17-21

Nb

--

--

--

--

--

--

4.75-5.5

Mo

1-1.5

--

--

2-2.5

8-10

8-10

2.8-3.3

B

0.001-0.1

≤0.008

≤0.02

--

--

--

--

V

0.1-0.5

--

--

--

--

--

--

W

--

--

--

1.4-1.8

--

0.2-1

--

Zr

--

≤0.15

≤0.15

--

--

--

--

Pb

--

--

≤0.002

--

--

--

--

Ce

--

--

--

≤0.05

--

--

--

Size Range

Wire

0.5-7.5mm

Rod/Bar

8.0-200mm

Strip

(0.50-2.5)*(5-180)mm

Tube

custom made

Plate custom made

Applications

• Automotive Turbo Systems: GH4169 is used for manufacturing components in automotive turbochargers, where it resists high temperatures and repetitive stress.

• Aerospace: Suitable for turbine disks, fasteners, and other components exposed to extreme thermal and mechanical stresses.

• Power Generation: Widely used in gas turbines, combustor liners, and other high-heat components.

• Oil and Gas: Ideal for parts exposed to harsh environments and high temperatures, such as equipment in drilling operations.

Manufacturing Process

1. Melting: High-purity raw materials are melted using electric arc furnaces or induction furnaces to achieve the desired chemical composition.

2. Casting: After melting, the alloy is cast into ingots, followed by a homogenization heat treatment to ensure uniformity and eliminate segregation.

3. Forging: The ingots are hot-forged to refine the microstructure and improve the mechanical properties.

4. Hot Rolling: The material undergoes hot rolling to achieve the desired thickness and dimensional properties.

5. Annealing: Annealing is performed to relieve internal stresses and enhance ductility, ensuring easy fabrication.

6. Finishing: Final machining, cutting, and surface treatments are applied to prepare the rods for their intended use.

 

Advantages

• Superior Material Composition: GH4169 combines nickel, chromium, niobium, molybdenum, and titanium, optimizing its strength, toughness, and stability.

• Wide Temperature Adaptability: Performs reliably across a broad temperature range, from cryogenic conditions to high temperatures up to 650°C.

• Mechanical Strength: High tensile strength (1,240 MPa) and load-bearing capacity, ensuring durability under heavy loads.

• Fatigue Resistance: Ideal for components subject to repetitive stress, such as automotive turbochargers and aerospace components.

• Creep Resistance: Maintains stability over long-term high-temperature exposure, ensuring reliable performance in demanding conditions.

• Corrosion Resistance: Effective in harsh environments, including marine and chemical processing, reducing the need for frequent maintenance.

• Fabrication Flexibility: Weldable and machinable, allowing for the production of precise, complex parts suitable for various industries.

 

 

• about US
• about DLX ALLOY

• CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.

• 

• about Our factory

• Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.

• For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

• 

• Client Visits

• Building Stronger Partnerships

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FAQ

Q1: What is GH4169 made of?
A1: GH4169 is a precipitation-hardened nickel-based superalloy, containing nickel (50-55%), chromium (17-21%), and additions of niobium, molybdenum, and titanium.

Q2: What industries use GH4169 rods?
A2: GH4169 rods are widely used in aerospace, automotive (particularly turbo systems), power generation, and oil and gas industries.

Q3: What is the maximum temperature GH4169 can withstand?
A3: GH4169 can withstand temperatures up to 650°C while maintaining its structural integrity.

Q4: Can GH4169 rods be welded?
A4: Yes, GH4169 rods can be welded using standard welding techniques, making them ideal for precision fabrication.

Q5: What are the key benefits of using GH4169 in automotive turbo systems?
A5: GH4169 provides excellent fatigue resistance, creep resistance, and corrosion resistance, making it ideal for high-performance automotive turbo components exposed to extreme thermal and mechanical stresses.

Q6: Does GH4169 offer good corrosion resistance?
A6: Yes, GH4169 is highly resistant to corrosion, even in harsh environments such as marine and chemical processing.

Q7: How should GH4169 rods be stored?
A7: GH4169 rods should be stored in a clean, dry environment, protected from corrosive elements to maintain their integrity.