Nickel Alloy 6j22/6j23/6j24 Steel Metal Wire Precision Alloy Wire for Global Buyers

Product Description

 

Product Description

    

Nickel Alloys 6J22/6J23/6J24 Specification Table

Category	Details
Alloy Names	6J22, 6J23, 6J24
Standard	GB/T 15061-1994 (or equivalent)
Type	Low Expansion and High Strength Nickel Alloys

 

Chemical Composition

Element	6J22	6J23	6J24
Nickel (Ni)	25% - 30%	30% - 35%	35% - 40%
Iron (Fe)	Balance	Balance	Balance
Chromium (Cr)	20% - 25%	18% - 22%	15% - 18%
Manganese (Mn)	≤ 1.0%	≤ 1.0%	≤ 1.0%
Silicon (Si)	≤ 0.5%	≤ 0.5%	≤ 0.5%
Carbon (C)	≤ 0.05%	≤ 0.05%	≤ 0.05%
Sulfur (S)	≤ 0.02%	≤ 0.02%	≤ 0.02%

 

Physical and Thermal Properties

Property	6J22	6J23	6J24
Density (g/cm³)	~8.1	~8.2	~8.3
Coefficient of Thermal Expansion (x10/°C)	~5.8	~6.2	~6.5
Melting Point (°C)	~1250	~1300	~1350
Thermal Conductivity (W/m·K)	~15	~16	~17

 

Mechanical Properties

Property	6J22	6J23	6J24
Tensile Strength (MPa)	≥ 950	≥ 1050	≥ 1100
Yield Strength (MPa)	≥ 750	≥ 850	≥ 950
Elongation (%)	≥ 10	≥ 9	≥ 8
Hardness (Rockwell B)	~80	~75	~70

 

Applications

Alloy	Applications
6J22	Suitable for applications where moderate strength and thermal expansion control are required, such as industrial machinery and automotive components.
6J23	Ideal for aerospace and turbine components where high-temperature resistance and moderate thermal expansion are critical.
6J24	Used in high-performance industries, including power generation and aerospace, where extreme strength and heat resistance are required.

 

Processing Characteristics

• 6J22: Offers good workability and moderate thermal expansion, ideal for electronic and industrial applications.
• 6J23: Provides a balance of strength, heat resistance, and thermal expansion, making it suitable for aerospace and turbine applications.
• 6J24: Exceptional high-temperature strength and thermal expansion control, ideal for extreme industrial environments and high-performance applications.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detailed Photos

 

 

Company Profile

 Shandong Titanium Nickel Special Steel Co., Ltd., registered funds (one thousand yuan for 10,000 yuan), the company is mainly committed to high -tech enterprises that are integrated with special alloy materials, specializing in the research and sales of special alloys such as nickel -based and iron -based. Products include corrosion-resistant alloys, superalloys, precision alloys, Hastelloy, Monel, INCONEL, INCOLOY, copper-nickel alloys, titanium and titanium alloys, zirconium and zirconium alloys, nickel and nickel-based alloys, nickel-cobalt-based heat-resistant alloys , Hafnium alloy, etc., more than 60 kinds of alloy materials such as special stainless steel. On the basis of stabilizing the quality of the original products, according to the market demand, it solves the quality problems existing in the traditional metallurgical process, and ensures the low miscellaneous and low deflection of the alloy material products, which has won an excellent reputation in the industry.

 

 

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FAQ

 

FAQ: Precision Alloys

1. What are precision alloys?

Precision alloys are special metal alloys designed to exhibit unique and highly controlled properties, such as precise magnetic performance, thermal stability, electrical resistivity, or thermal expansion characteristics. They are commonly used in high-performance applications across industries like aerospace, electronics, and instrumentation.

 

2. What are the key properties of precision alloys?

Key properties include:

• High magnetic permeability.
• Low coercivity for magnetic alloys.
• Stable thermal expansion coefficients for dimensional stability.
• High electrical resistivity for electrical applications.
• Corrosion and oxidation resistance in specific environments.

 

3. What are common applications for precision alloys?

Precision alloys are used in:

• Magnetic shielding.
• Sensors, actuators, and relays.
• Precision instruments and watches.
• Electrical resistors and heating elements.
• Aerospace and automotive components requiring low thermal expansion.

 

4. How are precision alloys manufactured?

Precision alloys are typically manufactured through a series of processes including:

• Melting in vacuum or controlled atmospheres to maintain purity.
• Casting and hot rolling to form initial shapes.
• Annealing and cold rolling to refine grain structure and enhance mechanical or magnetic properties.
• Heat treatment for property optimization.

 

5. How do heat treatments affect precision alloys?

Heat treatments play a crucial role in determining the final properties of precision alloys. For example:

• Magnetic alloys like 1J06 benefit from controlled annealing to maximize permeability and minimize coercivity.
• Alloys for thermal expansion applications require stabilization to ensure consistent dimensional behavior over temperature changes.

 

6. What are the differences between magnetic and non-magnetic precision alloys?

• Magnetic precision alloys (e.g., 1J06, permalloy) are designed for high permeability, low coercivity, and excellent magnetic stability.
• Non-magnetic precision alloys (e.g., Invar, constantan) are designed for stable thermal expansion or specific resistivity properties without magnetic influence.

 

7. What factors should be considered when selecting a precision alloy?

• Application requirements: Magnetic, thermal, or electrical properties.
• Operating environment: Corrosion resistance, temperature stability.
• Cost and availability: High-performance alloys may be more expensive but offer superior functionality.

 

8. Are precision alloys environmentally friendly?

Many precision alloys are designed with recyclability in mind. Alloys like Invar and permalloy can often be recycled without significant loss of their unique properties, reducing environmental impact.

 

9. Can precision alloys be customized?

Yes, precision alloys can be customized through adjustments in composition and processing to meet specific performance requirements. Custom solutions are often provided for industries like aerospace and medical devices.

 

10. What standards and certifications apply to precision alloys?

Precision alloys often comply with standards such as:

• ASTM (American Society for Testing and Materials).
• ISO (International Organization for Standardization).
• EN (European Standards).
  Specific certifications may vary based on application and region.