Alloy Wire, Mold & Machined Parts | Nitinol, Hastelloy X

Your Professional Machined Parts Supplier

Lork Group specializes in supplying machined parts in five materials: nickel alloy, cobalt alloy, titanium alloy, precision alloy, and stainless steel. We maintain inventory standards in accordance with ASTM, AISI, AMS, JIS, GB, and other relevant standards. These machined parts are commonly used in aerospace, medical, and industrial applications. With custom lengths available. Most importantly, we support third-party testing and have extensive customer experience verifying our machined parts, ensuring peace of mind in your selection and reliable delivery.

Nitinol Medical Alloy Wire
Our specially supplied medical-grade nickel-titanium alloy is a precision smart material commonly used in orthodontic archwires, eyeglass frames, cardiovascular stents, minimally invasive surgical
Inconel 718 Nickel Alloy Mold
Inconel 718 is a nickel alloy with unparalleled strength, stability, and durability under extreme environments (high temperature, high pressure, strong corrosion). If your mold working conditions are
ASTM B166 Inconel 600 Wire
We supply cold-worked Inconel 600 round wire, precision wire, cold-drawn wire, and wire in coils, all compliant with ASTM B166 standards and tailored to customer specifications. The minimum order
Hastelloy C22 Wire(UNS N06022)
Hastelloy C-22 wire (UNS N06022) is available in annealed or spring-temper conditions. Standard specifications range from 0.025 mm to 21 mm in diameter; custom sizes based on drawings are also
NC20T Nickel Alloy Wire (UNS N06075, Nimonic 75)
NC20T is a solid-solution Ni-Cr alloy wire featuring excellent oxidation resistance up to 1000°C, as well as good formability and weldability. Available in annealed or spring-tempered conditions, it
Hastelloy C-2000 Wire
Hastelloy C-2000 wire (UNS N06200) is a Ni-Cr-Mo-Cu alloy known for its broad-spectrum corrosion resistance. It is suitable for highly corrosive environments, including the chemical, pharmaceutical,
Hastelloy X Wire (UNS N06002)
In-Stock Inventory: Hastelloy X wire (AMS 5754/5798 aerospace grade); standard diameters kept in stock, with ASTM B572-compliant material also available. Value-Added Processing: One-stop processing
Inconel 686 Wire (ASTM B166, W.Nr. 2.4606)
The two most critical points when purchasing are: first, confirming that the tungsten content falls within the 3–4.4% range (this serves as the identity card for Inconel 686); and second, confirming
Vicalloy Wire（W.Nr. 2.4713,UNS K92839 / K92841)
It is the malleable talent among permanent magnet materials; unlike Neodymium-Iron-Boron—which is hard, brittle, and can only be ground—it can be drawn into wire, rolled into strips, and stamped into
CMSX‑4 Alloy Medical - Single-Crystal Superalloy -Lork Group
CMSX-4 is a top performer material specifically engineered for extreme operating conditions—a context that typically refers to the hot-section components of gas turbines, such as turbine blades and
3J21 Elgiloy Alloy Wire
Elgiloy is classified as a cobalt alloy and offers exceptional properties in terms of tensile strength, strength, ductility, and corrosion resistance. Key applications for Rocco's 3J21 material
Haynes 25 Cobalt Wire
Haynes 25 cobalt wire (L-605). High-temperature strength, oxidation & sulfidation resistance. For gas turbine seals, stent wire & springs.

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Advantages of Ball

Corrosion Resistance

Ball is highly resistant to corrosion, making it ideal for use in medical devices that are frequently exposed to bodily fluids and sterilization processes. This resistance ensures longevity and reliability, reducing the risk of device failure.

Biocompatibility

Ball is biocompatible, meaning it does not cause adverse reactions when in contact with human tissue. This property is crucial for implants and other devices that remain inside the body for extended periods.

Strength and Durability

Balls possess high tensile strength and can withstand significant stress and pressure. This durability is essential for the functionality and safety of medical devices, ensuring they perform consistently under various conditions.

Precision and Smoothness

The manufacturing process of balls ensures a high degree of precision and a smooth surface finish. These characteristics are vital for the accurate and reliable operation of medical devices, minimizing friction and wear.

Easy Sterilization

Ball can be easily sterilized using various methods, including autoclaving, chemical sterilization, and radiation. This versatility ensures that medical devices maintain their sterility and safety standards, crucial for patient care.

Applications of Machined Parts

Bearings

Balls are commonly used in bearings for industries like food processing, medical devices, and marine equipment. Their corrosion resistance ensures smooth operation and long-lasting durability in these environments.

Valves and Pumps

In valve and pump applications, balls are essential for managing the flow of corrosive fluids or operating in challenging environments where rust is a concern.

Medical and Laboratory Equipment

Balls are used in medical devices, surgical instruments, and laboratory equipment due to their biocompatibility, corrosion resistance, and ease of cleaning.

Aerospace and Defense

The aerospace and defense industries use balls in aerospace components, satellite systems, and defense equipment due to their high-performance properties, such as corrosion resistance and durability.

Spring Manufacturing Process

Spring Winding

Coiling: The technician operating the machine sets it up to prepare it for the specific type of coil being made and feeds the wire into a set of rollers, which pulls the spring wire toward a set of guides.

Forming: This is done using a spring former or CNC spring former machine.

Bending: The machine works by feeding the wire into a set of rollers, which pull the wire to wire guides and push it to a moveable tooling head, controlled by the computer.

Heat Treating

Once a spring is formed, it typically needs to undergo a stress-relieving process, which will allow the spring to retain its memory. This memory allows the spring to bounce back when placed under stress. In the heat treating process, the spring manufacturer must heat treat the spring to a specific temperature for a specific amount of time. The temperature and time setting varies depending on the type and amount of wire involved.

Grinding

In the grinding process, the ends of the spring are ground flat, allowing it to stand up straight without wobbling when oriented vertically.Spring grinding is accomplished using a spring grinder. This grinding machine has two horizontal grinding wheels, spaced apart in a way that allows the length of the spring to enter between the wheels.

Coating and Finishing

As a final touch, springs are usually finished with some type of coating, plating or finishing process. In finishing processes, the spring's surface undergoes additional steps to help combat erosion, lend new properties to the spring or simply improve the spring's overall appearance.

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 materials are used to make balls?

A: Chrome steel is the most common, but stainless steel, carbon steel, and special alloys are also used depending on the application.

Q: How round are precision balls?

A: High-grade balls can deviate from a perfect sphere by less than 0.13 microns, offering extreme precision for high-performance applications.

Q: What is the purpose of heat treating balls?

A: Heat treatment increases hardness and durability, allowing balls to withstand high loads and reduce wear in mechanical systems.

Q: What's the difference between grinding and lapping?

A: Grinding is a shaping process, while lapping is a polishing process that improves surface finish and achieves tight tolerances.

Q: What are the primary applications of springs?

A: Springs are commonly used in aerospace, automotive, oil & gas, and marine industries due to their excellent fatigue resistance, corrosion resistance, and ability to perform under high temperatures and harsh environments.

Q: How do you ensure the mechanical properties of your springs?

A: We perform a variety of mechanical tests, including tensile strength, fatigue testing, and spring set measurements to ensure the springs meet required performance specifications. Additionally, we conduct stress relaxation tests to verify the springs' ability to maintain force over time.

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Wire - Machined Parts

Your Professional Machined Parts Supplier

Advantages of Ball

Applications of Machined Parts

Spring Manufacturing Process

Quality Inspection Procedures

FAQ