Product Description
3J53 (also known as Ni42CrTi, Ni-Spand, Elinvax, 41НХТ) is a precision nickel-based alloy with a balanced combination of high strength, excellent thermal stability, and controlled thermal expansion properties. It is commonly used in precision instruments, aerospace engineering, electronic components, and high-reliability industrial applications where dimensional stability and resistance to thermal deformation are critical.
Specifications:
Parameter |
Details |
Alloy Name |
3J53 (Ni42CrTi / Ni-Spand / Elinvax / 41НХТ) |
Material Type |
Precision Nickel Alloy Steel |
Product Form |
Round Tube / Pipe (Seamless & Welded) |
Standards |
ASTM, GB, DIN, GOST (upon request) |
Chemical Composition |
Ni (≈42%), Cr (≈5-6%), Ti (≈1-2%), Fe (balance) |
Outer Diameter (OD) |
6 mm - 500 mm (customizable) |
Wall Thickness |
0.3 mm - 50 mm (customizable) |
Length |
Up to 12 meters (custom lengths available) |
Density |
8.05 g/cm³ |
Tensile Strength |
≥ 1000 MPa |
Yield Strength |
≥ 800 MPa |
Elongation |
≥ 15% |
Hardness |
85-95 HRB |
Thermal Expansion Coefficient |
Low (suitable for precision applications) |
Corrosion Resistance |
Good resistance to oxidation and wear |
Magnetic Properties |
Controlled magnetic permeability |
Weldability |
Good (supports TIG, MIG, and laser welding) |
Key Features:
Precision Stability:
- Low coefficient of thermal expansion (CTE) ensures dimensional stability under temperature variations.
- Ideal for precision machining and high-accuracy components.
High Mechanical Strength:
- Excellent tensile and yield strength, making it suitable for high-load environments.
- Maintains mechanical integrity under stress and thermal cycling.
Good Oxidation & Corrosion Resistance:
- Performs well in humid, acidic, and high-temperature conditions.
- Extends service life in challenging environments.
Controlled Magnetic Permeability:
- Ideal for sensitive electronic and electromagnetic shielding applications.
- Used in components requiring consistent electrical and magnetic performance.
Superior Workability & Weldability:
- Supports various fabrication processes, including stamping, cutting, and welding.
- Available in customized sizes and finishes to meet diverse industrial needs.
Common Applications:
Aerospace & Defense:
- Structural components in aircraft and space exploration.
- High-precision missile guidance and navigation systems.
Electronics & Telecommunication:
- Used in radio frequency (RF) shielding, precision resistors, and sensor housings.
- Applied in low-expansion materials for semiconductor and optical devices.
Industrial & Automotive:
- Engine components requiring thermal stability and fatigue resistance.
- Precision measuring instruments for industrial automation.
Medical & Scientific Equipment:
- High-reliability surgical and diagnostic instruments.
- Research-grade laboratory devices needing dimensional precision.
Available Sizes & Customization:
Thickness |
Outer Diameter |
Surface Finish |
Processing Options |
0.3mm - 50mm |
6mm - 500mm |
Cold Rolled, Annealed, Polished |
Cutting, Stamping, Welding |
Custom specifications available upon request to meet specific industrial applications.

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.
Item |
Precision Alloy Bar |
Precision Alloy Tube |
Material Types |
Nickel-based, iron-nickel-based, cobalt-based alloys |
Nickel-based, iron-nickel-based, cobalt-based alloys |
Common Materials |
1J50, 1J79, 4J36 (Invar alloy), GH4169 |
1J50, 1J79, 4J36, GH4169, Monel 400 |
Performance Features |
- High strength and toughness
- Excellent corrosion resistance
- Superior magnetic properties |
- Precision dimensional control
- High corrosion resistance
- Excellent thermal stability |
Size Range |
Diameter: 2mm - 200mm, customizable length |
Outer diameter: 0.5mm - 100mm, wall thickness: 0.1mm - 10mm |
Processing Methods |
Hot rolling, cold drawing, precision forging, machining |
Cold drawing, precision welding, cold rolling, hot extrusion |
Surface Treatment |
Polishing, pickling, oxidation treatment |
Internal and external polishing, pickling, coating treatment |
Main Applications |
- Manufacturing electronic components (e.g., transformer cores)
- High-temperature, high-pressure equipment parts
- Medical equipment components |
- Precision instrument pipelines
- High-temperature, high-pressure pipelines
- Fluid transfer systems |
Detailed Photos
Key Advantages:
- Controlled Properties: Tailored for specific applications, offering controlled expansion, high strength, or high electrical conductivity.
- Dimensional Stability: Excellent flatness, accuracy, and stability, even under thermal cycling.
- High Durability: Resistant to thermal, mechanical, and magnetic stresses, making them suitable for critical components in sensitive environments.
Factory workshop

Product application

Packaging & Shipping

FAQ
1: What is precision alloy?
Precision alloys refer to special alloys with high purity, uniformity and stability. They are usually used to manufacture parts or components that have extremely strict size, shape and performance requirements. They have special physical properties (such as magnetic, electrical, thermal, etc.) and chemical properties to meet specific engineering requirements.
2: What are the main types of precision alloys?
Precision alloys can be divided into many types according to their different physical properties, mainly including:
Magnetic alloys: Such as soft magnetic alloys and permanent magnetic alloys (hard magnetic alloys).
Elastic alloy: An alloy that can deform reversibly under certain stress or temperature conditions.
Expansion alloy: An alloy with a large linear expansion coefficient within a certain temperature range.
Thermal Bimetal: A composite material composed of two or more metallic materials that exhibit different thermal expansion properties.
Resistive Alloys: Alloys with stable resistivity and constant temperature coefficient of resistance.
Thermoelectric alloy: Alloy with thermoelectric effect.
Hydrogen storage alloy: An alloy with hydrogen storage function.
Shape memory alloy: Alloys with shape memory effect.
Magnetostrictive alloy: A type of metal material with magnetostrictive effect.
3: What are the main application areas of precision alloys?
Precision alloys are widely used in aerospace, automobiles and trains, energy and chemicals, medical equipment, electronics industry, fasteners and other fields. For example, in the aerospace field, precision alloys are used to manufacture aircraft engines, aviation structural parts, missiles, etc.; in the automotive and train field, they are used to manufacture engines, transmission systems, chassis components, tracks, wheels, etc.
4: What is the production process of precision alloy?
The production process of precision alloys includes the selection and pretreatment of alloy raw materials, smelting and casting, heat treatment and processing technology, as well as surface treatment and performance testing. The entire production process requires precise control of each link to ensure that the composition and performance of the alloy meet the requirements.
5: How to detect the quality of precision alloy?
Quality testing of precision alloys is mainly through chemical analysis and physical property testing. Commonly used testing methods include spectral analysis, tensile testing, hardness testing and low-temperature impact testing to ensure that each batch of alloys can meet predetermined technical requirements.
6: What are the significant advantages of precision alloys?
Advantages of precision alloys include:
Has unique physical properties, such as excellent electrical conductivity, thermal conductivity and magnetism.
Excellent mechanical properties, high strength, wear resistance and good elasticity.
Strong corrosion resistance and long service life.
Stable performance in a wide temperature range and wide application.
It has good processing performance and is easy to manufacture precisely.
The ingredients and organization are controllable to meet diverse needs.
7: What kind of performance does precision alloy show in a magnetic field?
Magnetic alloys in precision alloys exhibit excellent magnetic properties in magnetic fields. For example, soft magnetic alloys have high magnetic permeability and low coercivity, are easy to demagnetize, and have low energy loss during cyclic magnetization, making them indispensable materials in electromagnetic equipment.
8. How can I contact you for more information?
You can contact us through the following methods
Online support: Visit our website for live chat
Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!