What Is Cold Forming ?

December 12, 2023

What is Cold Forming?

Cold forming is a high-speed forging process that involves taking coiled wire at room temperature, precisely cutting it to length, and then guiding it through a series of tool and die cavities.This process serves to alter the shape of the metal, making it either larger or smaller in diameter, longer or shorter in length, or removing small amounts of material through trimming or piercing.

What sets cold forming apart is that the pressure exerted during the forming process contributes to the strength of the final product. This results in components that closely adhere to specifications, makingcold forming a superior choice compared to hot forming processes. 

Furthermore, cold forming is characterized by its speed, cost-effectiveness, and minimal waste generation, making it a highly efficient method for producing metal parts.Cold forming is particularly well-suited for steel, stainless steel, and aluminum alloys. These materials find extensive use in various industries, including construction, aerospace, automotive, and more. Cold-formed parts play a pivotal role in the day-to-day operations of these major sectors, thanks to the precision and efficiency offered by the cold forming process.

Applications Of Cold Forming

Cold forming has a wide range of applications across various industries. Some common applications of cold forming include:

Fasteners and Screws: Cold forming is commonly used to produce fasteners and screws, such as bolts, nuts, and rivets. Cold-formed fasteners offer enhanced strength and are widely used in automotive, aerospace, and construction industries.

Automotive Components: Cold forming is extensively employed in the automotive industry to manufacture various components like shafts, gears, splines, and suspension parts. The process provides cost-effective solutions with excellent strength and dimensional accuracy. 

Medical Devices: Cold forming is utilized in the manufacturing of medical devices such as surgical instruments, implantable devices, and orthopedic components. Cold-formed medical devices offer biocompatibility, sterilizability, and precise dimensional control.

Aerospace Components: Cold forming is employed in the aerospace industry to produce various components like fittings, connectors, and fasteners. Cold-formed aerospace components exhibit high strength-to-weight ratios, improving fuel efficiency and overall performance.

In addition to these applications, Maijin Metal provide customized service to meet specific requirements. Custom cold forming services enable manufacturers to produce tailored components according to the client's specifications, including unique shapes, designs, and materials. By understanding the specific needs of their customers, Maijin metal companies can provide one-stop solutions that address specific industry demands.

Fasteners and Screws                
Fasteners and Screws
Automotive Components                
Automotive Components
Medical Devices                
Medical Devices
Aerospace Components                

Aerospace Components

Advantage Of Cold Forming

Material Savings: Cold forming allows for efficient material utilization since it involves the deformation of the material rather than its removal. This leads to minimal waste and maximizes the utilization of the raw material. 

Increased Strength: Cold forming can significantly increase the strength and hardness of the material being formed. The deformation process aligns the metal's grain structure, resulting in improved mechanical properties and enhanced structural integrity. 

Cost Savings: As less material is wasted and the production time is reduced due to faster forming processes, cold forming can result in cost savings for CNC machine operations. 

Complex Geometries: Cold forming allows for the production of complex shapes and geometries that may be challenging or costly to achieve through other manufacturing processes. This makes it ideal for creating intricate designs and intricate components. 

Enhanced Surface Finish: Cold forming can improve the surface finish of the formed parts by reducing the need for additional machining operations. This results in a smoother and more refined surface, saving time and costs associated with post-forming finishing processes.

Decreased Heat Distortion: Since cold forming does not involve high temperatures, there is minimal heat distortion or alteration of the material's physical properties. This is particularly advantageous for materials sensitive to heat or those prone to warping.

Cold forming Capabilities of Maijin Metal

Cold forming Process

Constrained Punching, Shearing and Extrusion Forming, Drawing and Forging Forming, Localized Forming, Rolling

Industry StandardDIN, GB, JIS, ASNI, ASME, ASTM, SAE, ISO, Mil-Spec, RoHs
In accordance with relevant industry standards and customer company standards

Cold forming Tolerances
Maximum Part Size1.36”(35mm) diameter.
General TolerancesTolerances on metals will be held to +/- 0.005" (+/- 0.127 mm) in accordance with ISO 2768 unless otherwise specified.
Precision TolerancesMaijin Metal can manufacture and inspect to tight tolerances per your drawing specifications including drawing's callouts.
Minimum Feature Size0.04” (1.0 mm) . This may vary depending on part geometry and chosen material.
Threads and Tapped Holes

Maijin Metal can accommodate any standard thread size. We can also machine custom

threads; these will require a manual quote review.

Edge ConditionSharp edges are broken and deburred by default
Surface Finish

The standard finish is as-machined: 125 Ra or better. Additional finishing options can be

specified when getting a quote.

Metal Cold forming Materials

Cold forming Steel Alloys

Steel 1006A (SWRM6)
Steel C1010 (SWRCH10A)
Steel C1018 (SWRCH18A)
Steel C1022 (SWRCH22A)
Steel 10B21

Cold forming Stainless Steel Alloys

Stainless Steel 302

Stainless Steel 304

Stainless Steel 316

Cold forming Aluminum Alloys

Aluminum 5056
Aluminum 1100
Aluminum 7505
Cold forming Copper AlloysC11000
Cold forming Bronze AlloysC51900

Cold forming Brass Alloys


Cold forming Finishes

Standard (As-Milled)
Zinc Plating
Tin Plating
Electroless Nickel Plating
Anodized (Type II Or Type III)
PTFE Impregnated Hard Anodize
Chem Film (Chromate Conversion Coating)
Powder Coat
Silver Plating
Gold Plating

Why choose Maijin Metal?

Maijin Metal boasts over 17 years of extensive experience in Cold forming and manufacturing services in global. Our dedicated team of experts is equipped with a diverse array of Cold forming machines, ensuring exceptional precision, remarkable flexibility, and consistent quality output for a wide range of machining projects.

At Maijin Metal, we understand the importance of every project, regardless of its size. Our professionals are deeply committed to delivering top-notch service that surpasses your expectations. We approach each task with a level of care and attention as if it were our own, guaranteeing the highest standards of craftsmanship.

Choose Maijin Metal for your Cold forming needs, and experience the excellence and dedication that have defined us for over 17 years in the industry.

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