China Precision Alloy Strip Manufacturers Factory - Precision Alloy Strip Pricelist

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Your Professional Precision Alloy Coil Strip Foil Supplier

Lork Group specializes in supplying precision alloy coil strip foil stock in materials: Kovar, Invar, Ni-Span C, Elgiloy, P6, and HiperCo, etc. We maintain inventory standards in accordance with ASTM, AISI, AMS, JIS, GB, and other relevant standards. This coil strip foil stock is commonly used in aerospace, medical, and industrial applications. We stock coil strip foil in sizes ranging from Diameter：Ф0.01mm - Ф6mm, with custom lengths available. Most importantly, we support third-party testing and have extensive customer experience verifying our coil strip foil and tube stock, ensuring peace of mind in your selection and reliable delivery!

1J50 Soft Magnetic Alloy
Lork Group is a leading global supplier of 1J50 Soft Magnetic Alloy (also known as Ni50, Hy-Ra49, or PB), specializing in high-permeability nickel-iron alloys for critical electromagnetic
Moly Permalloy Strip（Alloy 80，Hi-mu 80）
Moly permalloy（Alloy 80， Hi-mu 80）is an upgraded series developed from classic nickel-iron permalloy (such as 1J79) by adding approximately 2-4% molybdenum (Mo). The addition of molybdenum is not for
Elgiloy Alloy 3J21 Strip
Elgiloy, a non-magnetic cobalt-chromium-nickel-molybdenum alloy also known as 3J21, is a precision alloy. It offers excellent formability, corrosion resistance, and high fatigue strength. Lork Group
AMS 5876 / UNS R30003 / Elgiloy Material
Lork Group is a trusted supplier of high-performance Elgiloy Alloy (AMS 5876 / UNS R30003), providing premium-quality cobalt-chromium-nickel-molybdenum strips, wires, and precision components. Our
1J85 Nickel–iron Magnetic Alloy
Lork Group specializes in supplying high-quality soft magnetic alloys, including 1J85 (Ni80Mo5, Permalloy), designed for precision electronics, telecommunications, and automation industries. Our
1J79 Soft Magnetic Alloy Strip
Looking for premium soft magnetic alloy strips, foils, or custom components? Lork Group specializes in supplying high-quality 1J79, Permalloy (80Ni-20Fe), and other advanced soft magnetic materials

Custom Precision Alloy Coil Strip Foil

We offer custom precision alloy strip manufacturing solutions to meet your project needs. Key customizable options include:

Surface Treatment:

We offer galvanizing, aluminizing, and anodizing, among other surface treatments, customizable upon request.

Width:

Customizable upon request.

Thickness:

Customizable upon request.

Material Type:

We offer a wide variety of materials for you to choose from.

Flatness and Curl:

Customizable upon request.

Coil Strip Foil Specification

Item	Target
Modulus of Elasticity E/Mpa	196000～215500
Shear Modulus G/Mpa	73500～83500
Density (g/cm³)	8.4
Mean coefficient of linear expansion20-100°C/(10^-6/K)	14
Resistivity ρ /(μΩ•m)	0.92
Magnetic Rate k/10⁶	50～1000

Advantages of Precision Alloy Strip

Controlled Thermal Expansion

Precision alloy strips offer highly controlled thermal expansion properties. This ensures dimensional stability across a wide temperature range, making them ideal for applications that require components to maintain precise measurements despite temperature fluctuations.

High Magnetic Permeability

Precision alloy strips have high magnetic permeability and low coercivity. These properties allow them to easily magnetize and demagnetize, which is critical in electromagnetic applications like transformers, inductors, and magnetic shielding.

Excellent Elastic Properties

Precision alloy strips exhibit excellent elasticity and mechanical stability over a wide temperature range. This makes them suitable for applications requiring precise and consistent performance under stress, such as precision springs, control devices, and temperature-compensating components.

High Corrosion Resistance

Precision alloy strips, particularly those containing nickel and chromium, offer excellent corrosion resistance. This ensures that they maintain their properties even in harsh environments, such as those involving chemicals, saltwater, or high humidity.

Excellent Mechanical Strength

Precision alloy strips are designed to offer both high strength and durability. Elastic alloys and certain soft magnetic alloys are capable of maintaining their mechanical properties under high stress, ensuring long-term reliability in demanding environments.

Stable Performance Across Temperatures

Precision alloy strips are known for maintaining consistent physical properties across a wide range of temperatures. This is critical in high-temperature environments, such as gas turbines or spacecraft, where materials must perform reliably under thermal stress.

Customizable Properties

Precision alloy strips can be tailored to meet specific requirements through the adjustment of their chemical composition. This flexibility allows engineers to choose the exact alloy that best meets their performance needs, whether it's for electromagnetic, elastic, or thermal applications.

Grades of Precision Alloy Coil Strip Foil

Alloy Grade	Composition	Key Features
1J85	Fe-Ni (Nickel-Iron Alloy, ~85% Ni)	High permeability, low coercivity
1J79	Fe-Ni (Nickel-Iron Alloy, ~79% Ni)	Excellent magnetic properties, high permeability
1J50	Fe-Ni (Nickel-Iron Alloy, ~50% Ni)	High saturation magnetization, moderate permeability
3J21	Fe-Cr-Co (Iron-Chromium-Cobalt Alloy)	High magnetic anisotropy, high coercivity
1J30	Fe-Si (Silicon-Iron Alloy, ~3% Si)	Low core loss, high saturation magnetization
1J22	Fe-Al (Iron-Aluminum Alloy)	High resistivity, moderate permeability
1J27	Fe-Co (Cobalt-Iron Alloy)	Very high saturation flux density, high permeability

Alloy Grade	Composition	Key Features
3J21 (Elinvar)	Fe-Ni-Cr (Nickel-Iron-Chromium Alloy)	Low thermal expansion, stable elastic modulus
3J53	Fe-Ni-Cr (Nickel-Iron-Chromium Alloy)	High elasticity, good corrosion resistance
3J1	Fe-Ni (Nickel-Iron Alloy)	Stable elastic properties over a wide temperature range
3J2	Fe-Ni-Cr (Nickel-Iron-Chromium Alloy)	High elastic modulus, excellent fatigue resistance
3J58	Fe-Ni-Cr-Mo (Nickel-Iron-Chromium-Molybdenum Alloy)	Superior elasticity, good long-term stability
3J40	Fe-Ni (Nickel-Iron Alloy)	High elasticity, corrosion resistance in certain environments

Quality Inspection Procedures

Spectrometer

Ultrasonic Testing

Stress Corrosion Testing

Microcopy

Mechanical

Eddy Current Test

Heat Treatment Furnace

Corrosion Test

Hydraulic Test

Metallographic Test

FAQ

Q: What is Precision Steel Strip?

A: Precision steel strip is a thin, flat material meticulously manufactured to exacting tolerances. Unlike standard steel strips, precision steel strips are crafted with an unparalleled focus on uniformity, surface finish, and mechanical properties. This level of precision ensures they meet the rigorous requirements of advanced manufacturing processes and high-performance applications.

Q: What is the MOQ for Elgiloy alloy 3J21?

A: Generally, the MOQ stipulated by Lork Group is 50 kg.

Q: How do you control the quality?

A: MTC and PMI will be sent before shipment, and any 3rd party inspection, if needed.

Q: How about your delivery time?

A: Generally delivery time is 15 working days .

We're well-known as one of the leading precision alloy strip manufacturers in China. Please feel free to buy cheap precision alloy strip for sale here and get pricelist from our factory. For price consultation, contact us.

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