1J33 Soft Magnetic Precision Alloy Rod - Temperature Compensation Bars
High-quality 1J33 soft magnetic precision alloy rod from a leading China manufacturer, specializing in wholesale temperature compensation bars. This Ni33Al-based nickel-iron soft magnetic alloy rod offers excellent high permeability, low coercivity, and precise magnetic induction variation with temperature for magnetic shunt compensation. Ideal for voltage regulators, electromagnetic circuits, and precision instruments. As a trusted China supplier of 1J33 temperature compensation alloy rods, we provide custom diameters, lengths, and competitive factory-direct wholesale pricing with reliable global delivery.
- Overview
- Specification
- Features & Applications
- FAQs
- Recommended Products
Product Introduction Overview
1J33 (also known as Ni33Al1 or 33H) is a specialized soft magnetic temperature compensation alloy rod engineered for magnetic shunt compensation in electromagnetic and permanent magnet circuits. With approximately 33% nickel and controlled aluminum addition, this precision nickel-iron alloy rod exhibits sharp changes in magnetic induction intensity over specific temperature ranges (typically -40°C to +80°C), enabling accurate temperature compensation in sensitive devices.
Manufactured to high standards in China, our 1J33 soft magnetic precision alloy rods feature high magnetic permeability, low coercivity, and stable performance for voltage regulators, traveling wave tubes, magnetrons, and other precision electromagnetic applications. As a professional China manufacturer and wholesale supplier, we offer bulk 1J33 temperature compensation bars in various diameters and lengths at competitive prices—perfect for global buyers seeking reliable soft magnetic alloy rod solutions.



Product Features
Our 1J33 precision alloy rod delivers outstanding characteristics optimized for temperature-sensitive magnetic systems:
- High magnetic permeability and low coercivity for excellent soft magnetic performance in weak fields
- Precise temperature compensation — magnetic induction intensity changes dramatically with temperature for accurate shunt compensation
- Optimal operating range (-40°C to +80°C) ideal for voltage regulators and electromagnetic devices
- Ni33Al composition (≈33% Ni with Al addition) ensures controlled Curie point and thermal stability
- Excellent machinability and formability — available as round bars/rods in custom diameters and lengths
- Competitive wholesale pricing direct from China manufacturer with strict quality control and fast delivery
These features position our 1J33 soft magnetic alloy rod as the preferred choice for buyers needing high-performance temperature compensation precision alloy bars in bulk.
Product Applications
1J33 soft magnetic precision alloy rod excels in applications requiring magnetic temperature compensation and stable performance across temperature variations. Primary uses include:
- Magnetic shunt compensation elements in electromagnetic circuits and permanent magnet loops
- Voltage regulators and current stabilizers for precise electrical control
- Traveling wave tubes, magnetrons, and microwave devices requiring temperature-stable magnetic properties
- Precision instruments — relays, sensors, inductors, and electromagnetic shielding components
- Communication equipment and electronic devices needing reliable soft magnetic behavior under varying temperatures
Source premium 1J33 temperature compensation alloy rods wholesale from our China manufacturer to meet demanding requirements in electronics, aerospace, and instrumentation industries worldwide.






Product FAQ
Q1: What makes 1J33 a temperature compensation soft magnetic alloy rod?
A: 1J33 precision nickel-iron alloy rod (Ni33Al) features sharp magnetic induction changes with temperature, providing effective magnetic shunt compensation in the -40°C to +80°C range for voltage regulators and electromagnetic circuits.
Q2: Can I order custom sizes of 1J33 soft magnetic alloy rod wholesale from China?
A: Yes! As a direct China manufacturer, we supply 1J33 temperature compensation bars in custom diameters, lengths, and surface finishes (bright/annealed) with competitive wholesale pricing and quick production.
Q3: What are the main magnetic properties of 1J33 precision alloy rod?
A: High permeability, low coercivity, and temperature-dependent magnetic induction—ideal for soft magnetic applications requiring precise compensation in instruments and devices.
Q4: Is 1J33 soft magnetic alloy rod suitable for machining and welding?
A: Yes, our 1J33 temperature compensation rods offer good machinability and processability similar to standard nickel-iron alloys, using conventional tools and techniques.
Q5: Why source 1J33 alloy rods from your China wholesale supplier?
A: We provide certified high-purity 1J33 soft magnetic precision alloy rods with consistent quality, factory-direct wholesale prices, full traceability, and global shipping—ensuring the best value for international buyers of temperature compensation bars.

