Customize various precision alloys and process various products

Shenzhen Huachang Weiye Metal Materials Co., Ltd.‌
‌Your Trusted Partner in Precision Alloy Manufacturing‌

‌Introduction to Precision Alloys‌

Precision alloys are advanced metallic materials engineered to deliver exceptional performance in specific physical, mechanical, or chemical properties. These alloys are critical in industries requiring high reliability, such as aerospace, electronics, medical devices, and energy systems. Below is an overview of common precision alloy categories, their key materials, and characteristics.

‌1. Types of Precision Alloys and Their Properties‌

‌1.1 Soft Magnetic Alloys‌

• ‌Materials‌:
  • ‌Fe-Si Alloys (e.g., 1J22, 1J50)‌: High magnetic permeability, low coercivity, and minimal core loss.
  • ‌Permalloy (e.g., Ni80Fe20)‌: Exceptional magnetic softness, used in transformers and sensors.
• ‌Key Properties‌:
  • High saturation induction and permeability.
  • Low hysteresis and eddy current losses.
  • Applications: Transformers, inductors, magnetic shielding, and precision instruments.

‌1.2 Permanent Magnet Alloys‌

• ‌Materials‌:
  • ‌AlNiCo Alloys‌: High coercivity and temperature stability.
  • ‌Samarium-Cobalt (SmCo)‌: Superior resistance to demagnetization and oxidation.
• ‌Key Properties‌:
  • High remanence and energy product (BHmax).
  • Stable performance in extreme temperatures (-50°C to 350°C).
  • Applications: Motors, sensors, aerospace actuators.

‌1.3 Elastic Alloys‌

• ‌Materials‌:
  • ‌Beryllium Copper (BeCu)‌: High strength, fatigue resistance, and electrical conductivity.
  • ‌Ni-Span-C (Ni42Cr6Ti)‌: Low thermal expansion and constant elasticity.
• ‌Key Properties‌:
  • Excellent spring properties and resistance to relaxation.
  • Corrosion resistance and long-term dimensional stability.
  • Applications: Precision springs, diaphragms, connectors.

‌1.4 Thermal Expansion Alloys‌

• ‌Materials‌:
  • ‌Invar (Fe-Ni36)‌: Ultra-low thermal expansion coefficient (≈1.6×10⁻⁶/°C).
  • ‌Kovar (Fe-Ni29-Co17)‌: Matched expansion with glass and ceramics.
• ‌Key Properties‌:
  • Minimized dimensional changes under temperature fluctuations.
  • Used in hermetic seals, optical systems, and semiconductor packaging.

‌1.5 Electrical Resistance Alloys‌

• ‌Materials‌:
  • ‌Nichrome (Ni-Cr)‌: High resistivity and oxidation resistance.
  • ‌Manganin (Cu-Mn-Ni)‌: Low temperature coefficient of resistance.
• ‌Key Properties‌:
  • Stable resistivity across wide temperature ranges.
  • Applications: Heating elements, precision resistors, shunts.

‌1.6 Shape Memory Alloys (SMA)‌

• ‌Materials‌:
  • ‌Nitinol (Ni-Ti)‌: Shape recovery upon heating, biocompatibility.
  • ‌Cu-Al-Ni‌: High fatigue resistance and actuation force.
• ‌Key Properties‌:
  • Superelasticity and programmable deformation.
  • Applications: Medical stents, actuators, robotics.

‌2. Our Production Capabilities‌

At Shenzhen Huachang Weiye, we combine cutting-edge technology with decades of expertise to deliver precision alloy solutions tailored to your needs.

‌2.1 Advanced Manufacturing Processes‌

• ‌Material Synthesis‌:
  • Vacuum Induction Melting (VIM) and Electroslag Remelting (ESR) for ultra-pure alloys.
  • Strict control of composition (±0.1% tolerance).
• ‌Forming Technologies‌:
  • ‌Hot/Cold Rolling‌: Produce sheets, strips, and foils with thickness down to 0.01mm.
  • ‌Precision Drawing‌: Wires and rods with diameters from 0.05mm to 200mm.
  • ‌Extrusion & Tube Manufacturing‌: Seamless tubes with OD 1mm–300mm and wall thickness 0.1mm–30mm.
• ‌Heat Treatment‌:
  • Annealing, quenching, and aging to optimize mechanical and magnetic properties.

‌2.2 State-of-the-Art Facilities‌

• ‌Equipment‌:
  • 20-ton VIM furnaces, CNC-controlled rolling mills, and multi-axis wire drawing machines.
  • High-precision CNC machining centers for complex geometries.
  • Non-destructive testing (NDT) systems: X-ray, ultrasonic, and eddy current inspection.
• ‌Quality Assurance‌:
  • ISO 9001:2015 and IATF 16949 certified.
  • Full traceability with mill test reports (EN 10204 3.1/3.2).
  • In-house lab for chemical analysis (OES), mechanical testing, and metallography.

‌2.3 Product Range‌

• ‌Standard Forms‌:

  ‌Product‌	‌Dimensions‌
  Rods	Ø0.5mm–500mm, L≤6m
  Sheets/Plates	Thickness 0.01–100mm, W≤1500mm
  Wires	Ø0.05–20mm, spooled or straight-cut
  Tubes	OD 1–300mm, seamless/welded
  Custom Profiles	Extrusions, foils, and stamped parts

‌3. Custom Processing Services‌

We specialize in translating your designs into high-performance components through our "Your Drawing, Our Solution" approach.

‌3.1 Capabilities‌

• ‌Material Customization‌:
  • Adjust alloy composition (e.g., Ni, Co, Cr content) for specific property requirements.
• ‌Precision Machining‌:
  • CNC turning, milling, and grinding for tolerances up to ±0.001mm.
  • Laser/EDM cutting for intricate shapes.
• ‌Surface Finishing‌:
  • Polishing (Ra ≤0.1μm), electroplating (Ni, Ag, Au), and PVD coatings.
• ‌Value-Added Services‌:
  • Heat treatment, welding (TIG, laser), and assembly.

‌3.2 Workflow‌

1. ‌Design Review‌: Collaborate with our engineers to optimize manufacturability.
2. ‌Prototyping‌: Deliver functional samples within 5–15 days.
3. ‌Mass Production‌: Scalable output from 100 pieces to 10,000+ tons annually.

‌4. Why Choose Us?‌

• ‌Technical Expertise‌:
  • R&D team with 50+ years of collective experience in metallurgy and material science.
  • Custom alloy development for niche applications (e.g., aerospace, medical implants).
• ‌Quality Commitment‌:
  • Zero-defect policy supported by SPC (Statistical Process Control) systems.
  • Compliance with AMS, ASTM, GB, and DIN standards.
• ‌Global Reach‌:
  • Serve clients in 30+ countries, including Fortune 500 companies.
• ‌Sustainability‌:
  • Closed-loop recycling systems to minimize waste and energy consumption.

‌5. Applications Across Industries‌

• ‌Electronics‌: Lead frames, connectors, and semiconductor components.
• ‌Medical‌: MRI equipment, surgical tools, and implantable devices.
• ‌Energy‌: Battery contacts, fuel cell plates, and solar thermal systems.
• ‌Automotive‌: Sensors, fuel injectors, and EV battery modules.