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CNC Machining Mild Steel Service

DEK specializes in machining all types of mild steel, providing you with high-precision custom mild steel parts. Our state-of-the-art equipment and machining techniques allow us to achieve tight tolerances of +/- 0.005 mm and complex geometries, as well as provide a premium surface finish, making us a preferred partner across a wide range of industries.

ISO 9001:2015, ISO 13485, and AS9100D certified.

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Custom Mild Steel Parts in CNC Machining

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Mild Steel, also known as low carbon steel, typically refers to steel with a carbon content between 0.05% and 0.25%. Due to its low carbon content, this steel has excellent ductility and weldability, is easy to process and form, and is cost-effective.

At DEK, we have advanced CNC milling machines, CNC lathes, laser cutting machines, EDM machines, and skilled machining techniques. We specialize in machining various types of mild steel, such as mild steel 1018, 1045, A36, S235JR, S275JR, and S355J2. Whether it's prototype design or small batch production, DEK always meets your diverse needs.

Additionally, you can get high-quality surface finishes at DEK, including electroplating, painting, and powder coating, with precision tolerances up to +/-0.005mm. Our precision services ensure high quality custom mild steel parts for machinery manufacturing, construction, and home appliance industries, making us the ideal choice for connectors, valves, appliance housings, shafts, brackets, and more. If you want one-stop custom mild steel parts service, contact us now!

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Mild Steel Material List

Carbon Steel 1215

Carbon Steel 1215 is a type of CNC steel known for its chemical composition containing sulfur, iron, phosphorous, carbon, and manganese.

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Carbon Steel 12L14

Carbon Steel 12L14 is a type of carbon steel with improved machinability. It is also known as "Free Machining Steel” and the fastest machining bar product.

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Mild Steel 1018

Mild Steel 1018, known as low-carbon steel, can be easily drilled, turned, milled, and tapped.

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Mild Steel 1045

Mild steel 1045 is a medium carbon steel with about 0.45% carbon content. It has good strength, toughness, and wear resistance.

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Mild Steel A36

Mild steel A36 is a popular type of structural steel in manufacturing and machining because it is easy to work with and cost-effective.

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Mild Steel S235JR

Mild Steel S235JR is a low-carbon structural steel with good weldability and machinability.

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Mild Steel S275JR

Mild steel S275JR is a non-alloy structural steel commonly delivered in hot-rolled or plate form. As a low-carbon steel, it offers moderate strength, good machinability, and ductility.

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Mild Steel S355J2

Mild Steel S355J2 is a low-carbon structural steel with excellent weldability and machinability.

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 Knowlege of Mild Steel

What is Mild Steel?

Mild steel, also known as low-carbon steel, contains a relatively low percentage of carbon (around 0.05-0.25%). This makes it softer and more ductile compared to higher carbon steels. It typically consists of iron and small amounts of manganese, sulfur, phosphorus, and other elements. Key characteristics of mild steel include its moderate strength, affordability, weldability, machinability, and formability.

Mild steel is often used to create structural elements, such as beams and columns, as well as in the production of sheet metal, pipes, and wires. It can undergo various fabrication processes like welding, bending, and cutting. However, mild steel is susceptible to corrosion, so protective coatings or treatments are applied in certain applications to enhance its durability.

Advantages of Mild Steel

  • Cost-effective
  • Versatile
  • Ductile
  • Easily machinable
  • Recyclable
  • Good strength-to-weight ratio

Applications of Mild Steel

  • Automobile chassis
  • Storage tanks
  • Pipes and tubing
  • Nails and screws
  • Appliances
  • Structural components in buildings
  • Agricultural equipment


Machining Mild Steel Buying FAQ

Usually not, as mild steel already has good processing properties at room temperature. However, if it is necessary to increase hardness or strength, it can be heat treated.
During machining, care should be taken to prevent overheating and deformation, select appropriate cutting speeds and feed rates, and ensure the use of appropriate cooling and lubricants.
Selecting the right mild steel grade is based on specific application requirements such as strength, toughness, workability, weldability and cost. If you don't know what mild steel to choose for your project, feel free to consult our professional team!
Mild steel is not categorized as exceptionally strong when compared to high-strength steel alloys like tool steel or alloy steel. The lower carbon content contributes to its malleability and ease of fabrication.
Yes, mild steel is susceptible to rusting. The presence of iron and the lack of protective elements make it prone to corrosion, especially in environments with moisture and oxygen. To prevent rust, coatings or treatments such as galvanization are often applied.
Mild steel is durable and can withstand a range of mechanical stresses. However, under extreme loads or impacts, it can break. The specific conditions leading to breakage depend on factors like thickness, temperature, and the nature of the applied force.
Mild steel is not considered bulletproof. Bulletproofing requires materials with specific properties like high hardness, strength, and energy-absorbing capabilities. Steel alloys used for ballistic protection, such as AR500 or AR550, are significantly harder and tougher than mild steel to resist penetration from bullets effectively.

Other Materials



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Aluminum-cnc-machine parts


Aluminum is one of the most commonly used metals in the world because of its excellent strength-to-weight ratio, low cost, and recyclability.

More info about Aluminum

Alloy Steel

Powerful than carbon steel, more wear-resistant, more tear-resistant. Alloy steel is durable and can withstand high-temperature environments.

More info about Alloy Steel

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