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Mild Steel CNC Machining Service

Steel is an alloy of iron with approximately 1% carbon. Small amounts of other alloying elements like molybdenum and chromium may be added to improve its properties. Steel offers a great balance between cost and functionality since it is easy to machine and weld.  It will, however, oxidize over time and therefore needs surface treatments for protection.

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Mild Steel in CNC Machining

Mild steel is a low-carbon steel that typically contains a relatively small amount of carbon, making it easier to machine, form, weld, and fabricate than higher-carbon steel grades. Its combination of affordability, strength, and versatility makes it one of the most commonly used materials for general-purpose CNC machined parts.

Mild steel provides good machinability and adequate mechanical strength for a wide range of components. It is commonly selected when extreme hardness or high-temperature performance is not required. Its relatively low material cost also makes it an economical option for prototypes, fixtures, brackets, shafts, frames, and industrial components.

Available Mild Steel at Elite Mold Tech:

Aleaciones disponiblesA36, 1018, 1045
Precio$
Plazo de entregaMenos de 10 días
Grosor de la pared0,75 mm
Tolerancias±0,125 mm (±0,005 pulgadas)
Tamaño máximo de la pieza200 x 80 x 100 cm
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A36 Mild Steel

A36 is a widely used low-carbon structural steel known for its good strength, weldability, and affordability. It is commonly used for brackets, plates, structural components, bases, fixtures, and general-purpose mechanical parts.
Límite elástico (MPa)
250
Resistencia a la fatiga (MPa)
160
Alargamiento a la rotura (%)
20
Dureza (Brinell)
119
Densidad (g/cm³)
7.85

1018 Mild Steel

1018 is a low-carbon steel with good machinability, weldability, and strength. Its consistent composition makes it a popular choice for CNC machined components, shafts, pins, gears, fixtures, and general mechanical parts.
Límite elástico (MPa)
370
Resistencia a la fatiga (MPa)
220
Alargamiento a la rotura (%)
15
Dureza (Brinell)
126
Densidad (g/cm³)
7.85

1045 Mild Steel

1045 is a medium-carbon steel that offers higher strength and hardness than typical low-carbon mild steels. It provides good machinability and can be heat treated to improve its mechanical performance for demanding components.
Límite elástico (MPa)
370
Resistencia a la fatiga (MPa)
220
Alargamiento a la rotura (%)
15
Dureza (Brinell)
126
Densidad (g/cm³)
7.85

Advantages and Limitations of Mild Steel CNC Machining

Mild steel offers an excellent balance of affordability, machinability, strength, and versatility, making it suitable for many general-purpose CNC applications. However, its relatively low corrosion resistance and moderate hardness can limit its use in certain environments.
Ventajas
  • Cost-Effective: Mild steel is generally more affordable than many specialized steel and nickel-based alloys.
  • Good Machinability: Low-carbon grades can be efficiently machined using standard CNC turning and milling processes.
  • Good Weldability: Its low carbon content makes many mild steel grades easy to weld and fabricate.
  • Reliable Strength: Mild steel provides sufficient strength for many brackets, fixtures, shafts, housings, and industrial components.
  • Widely Available: Common grades are readily available in various forms, making material sourcing easier for production.
Limitaciones
  • Limited Corrosion Resistance: Mild steel can rust when exposed to moisture and corrosive environments without suitable protection.
  • Lower Hardness: It is generally less wear-resistant than hardened alloy steels and tool steels.
  • Heavier Than Aluminum: Its higher density can make mild steel unsuitable for applications where weight reduction is important.
  • Limited High-Temperature Performance: Mild steel is not the best choice for components exposed to extreme temperatures or severe thermal conditions.
aluminum cnc machining part8
Aluminio

Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.

Color:
Silver
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
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aluminum cnc machining part8
Cobre

Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.

Color:
Silver
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
View More
aluminum cnc machining part8
Bronze

Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.

Color:
Silver
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
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aluminum cnc machining part8
Acero

Aluminum is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.

Color:
Silver
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
Límite elástico (MPa)
Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
View More
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Mild Steel CNC Machining FAQs

CNC machines are highly versatile and can handle a wide range of steel part sizes. Our CNC machines can be configured to accommodate different dimensions and complexities, from small, intricate components to large, heavy-duty parts. This flexibility allows for precise and efficient machining of steel parts of various sizes.
CNC machining of steel can achieve high precision and tight tolerances, typically in the range of ±0.005 inches (±0.127 mm) or better. However, this depends on the specific requirements and complexity of the part. Advanced CNC machines and techniques ensure consistent accuracy, ensuring that parts meet stringent specifications and quality standards.
CNC machining steel parts tends to be pricier than materials like aluminum or brass. Being a harder material, steel necessitates higher-cost cutting tools, which in turn require more frequent replacement. However, steel machining costs are generally lower than those of many other high-strength materials, such as titanium or specialized alloys. Factors like material grade, part complexity, and surface finish requirements can influence the overall cost.