4J36 Low Expansion Nickel-Iron (Invar 36) Sheet | FeNi36/UNS K93600

The 4J36 low expansion nickel-iron alloy, also known as Invar 36, is a high-performance material that exhibits extremely low thermal expansion properties. Composed primarily of nickel and iron, this alloy is widely used in industries that require dimensional stability across a wide temperature range, including aerospace, electronics, and precision instruments. Known for its high thermal stability, 4J36 is ideal for applications where minimal expansion or contraction is required when exposed to temperature changes.

With its unique alloy composition, 4J36 is also known for excellent machinability and weldability, making it suitable for manufacturing components that demand high precision and reliability. Whether it's for applications in high-precision equipment, medical devices, or scientific instruments, 4J36 ensures optimal performance and consistency.

Key Features of 4J36 Low Expansion Nickel-Iron Sheet

• Low Thermal Expansion:
  4J36 exhibits a very low coefficient of thermal expansion, typically around 1.2×10^-6/°C, making it ideal for precision applications where dimensional stability is critical.

• High Dimensional Stability:
  This alloy maintains its shape and size even under varying temperature conditions, making it indispensable in environments where maintaining exact dimensions is essential.

• Excellent Machinability and Weldability:
  4J36 can be easily fabricated into complex shapes and welded without compromising its mechanical properties, making it versatile for a wide range of engineering applications.

• Corrosion Resistance:
  The alloy provides resistance to corrosion in many environments, including exposure to chemicals and moisture, which extends its service life and enhances reliability.

• Applications in Precision Instruments:
  4J36 is widely used in manufacturing precision equipment such as temperature sensors, optical instruments, and high-precision measuring tools due to its stable dimensions under temperature fluctuations.

Comparison Table

Applications of 4J36 Low Expansion Nickel-Iron Sheet

• Aerospace Industry:
  4J36 is used in aerospace applications, particularly in aircraft instruments, where dimensional accuracy and stability under varying temperatures are crucial for reliable performance.

• Electronics and Semiconductor Manufacturing:
  In the electronics industry, 4J36 is used for components that must maintain precise dimensions in the face of temperature changes, such as lead frames, circuit boards, and connectors.

• Optical and Laser Technology:
  The low thermal expansion of 4J36 makes it ideal for use in optical instruments and laser systems, where even the smallest dimensional change can impact functionality.

• Medical Devices:
  4J36 is also used in medical equipment that requires tight tolerances, including thermometers and devices for high-precision measurements.

Our Advantages

1. Market Leadership:
   We are a leading provider of high-performance materials, specializing in the production of Invar 36 and other expansion alloys.

2. Customizable Products:
   Our products are available in customized specifications, allowing us to meet the unique needs of our customers.

3. High Production Capacity:
   We can produce up to 1500 tons of 4J36 per year, ensuring we can meet large-volume orders with a fast turnaround.

4. Flexible Packaging:
   We offer various packaging options including DIN spools, cartons, and wooden cases to ensure the safe delivery of our products.

5. Quality Assurance:
   We utilize professional inspection equipment to ensure every product meets the highest standards of quality before delivery.

6. Competitive Pricing:
   Our products offer excellent value for money, combining high performance and cost-effectiveness.

7. Excellent Customer Service:
   Our professional team is dedicated to providing fast and responsive service, offering 24/7 support and consultation.

8. Global Reach:
   We export our products worldwide, ensuring that customers across the globe receive the best in quality and service.

• 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

• 

• We support all kinds of testing:

• 

FAQ - Frequently Asked Questions

Q1: What is the primary advantage of 4J36 alloy?
A1: 4J36 alloy is renowned for its extremely low thermal expansion, making it ideal for applications that require precise dimensional stability over a wide range of temperatures.

Q2: Can 4J36 be customized?
A2: Yes, we offer customized sizes and specifications based on customer requirements. Please contact us for more information.

Q3: What industries commonly use 4J36?
A3: 4J36 is widely used in aerospace, electronics, optical technology, and medical devices where high precision and dimensional stability are essential.

Q4: Do you provide samples?
A4: Yes, we offer free samples for testing. The buyer is responsible for the shipping costs.

Q5: What is your lead time?
A5: The typical lead time for samples is 7 days after payment confirmation. Bulk orders may require a longer lead time depending on quantity and specifications.

Q6: What are your payment terms?
A6: We accept various payment methods, including T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal.