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Cnc Machining Steel 12L14

What Is 12L14 Steel Machining


Steel 12L14, also known as “free machining steel” or “leaded steel,” is a type of carbon steel with added elements that improve its machinability. The “12L14” designation indicates that this steel contains approximately 0.15% to 0.35% of lead and 0.12% to 0.18% of sulfur. These additives assist in breaking the chips during machining and reduce tool wear, making it easier to achieve smooth and consistent cuts. The presence of lead in the steel also enhances its machinability by promoting improved chip formation and reducing friction between the tool and the workpiece.

Due to its excellent machinability, Steel 12L14 is often used in applications where intricate parts with fine details need to be machined. It’s commonly used for producing parts like bushings, couplings, fittings, and other components that require precision machining. However, it’s worth noting that the presence of lead can result in potential health and environmental concerns, so appropriate safety measures should be taken when machining or working with Steel 12L14.

Physical and Chemical Properties Of 12L14 Steel

PropertyValue
Density7.87 g/cm³ (0.284 lb/in³)
Melting Point1426-1538°C (2600-2800°F)
Carbon (C)0.15% – 0.21%
Manganese (Mn)0.85% – 1.15%
Phosphorus (P)Max 0.04%
Sulfur (S)0.08% – 0.13%
Lead (Pb)0.15% – 0.35%
Iron (Fe)Balance (remainder of composition)
MachinabilityExcellent due to lead and sulfur content
StrengthModerate strength, not for high-stress applications
ToughnessModerate toughness
Corrosion ResistanceLow corrosion resistance
Health ConsiderationsLead content can pose health concerns

Machining 12L14 Steel – 12L14 Steel Cnc Machining Service


Be-Cu provider of precision CNC machining services, with a specialized focus on working with 12L14 steel.With our thorough understanding of 12L14 steel’s composition and behavior, we optimize our processes to harness its enhanced machinability for intricate parts and components. We believe that our expertise in this field could greatly benefit your organization’s machining needs.

At Be-Cu, we understand the unique requirements and challenges that arise when machining 12L14 steel. With our state-of-the-art steel CNC machining capabilities, experienced team, and commitment to quality, we offer a comprehensive range of services tailored to meet your specifications and exceed your expectations.

  • Steel 12L14 CNC Milling
  • Steel 12L14 CNC Turning
  • Steel 12L14 grinding
  • Steel 12L14 Heat Treatment
  • Steel 12L14 Surface Treatment
  • EDM And Wire EDM

We take pride in our track record of delivering reliable and cost-effective solutions to a diverse range of industries. By choosing Be-Cu, you’re partnering with a team that is committed to excellence, innovation, and on-time delivery.

I invite you to explore our portfolio and learn more about how we can contribute to the success of your projects. Please feel free to reach out to us at [email protected] to discuss your machining requirements or to schedule a consultation.

Why Choose Our 12L14 Steel Cnc Machining Service?


  • Save time and money for your Steel project but quality guaranteed.
  • High productivity, outstanding efficiency and high accuracy
  • A wide range of steel grades and alloy materials can be machined
  • Custom complex steel cnc machined parts and components at specific tolerances
  • High speed machining for prototyping and low to high volume production runs
Cnc Machining Steel 12L14
Cnc Machining Steel 12L14

Certifications & Quality Machining


  • ISO 9001:2015 certified
  • Fully compliant with the exacting requirements of our customers
  • Compliance in DFARS materials sourcing requirements
  • Strict compliance with PPAP and Process
  • FMEA for automotive customers
  • Skilled in KanBan and CMM Inspection and inventory management systems
  • ITAF 16949 certified

12L14 Steel CNC Machined Parts


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