Material Group | P - Steel |
Sub-Group | Low Carbon Steel |
Tensile Strength | 500-650 [N/mm^2] |
Machinability | 80% |
Steel 1020, a low carbon steel with 0.18-0.23% carbon content, offers good machinability compared to steels with lower carbon levels. Its machinability rating is 80%, but challenges can still arise due to its relative softness and the potential for built-up edge (BUE) formation.
Understanding the Machinability of Steel 1020
The carbon content of Steel 1020 places it within the optimal range for machinability (0.2%-0.3%). However, its low carbon content can still lead to BUE formation, requiring careful consideration of tooling and cutting parameters.
Overcoming Machining Challenges
To achieve successful machining of Steel 1020, consider the following approaches:
Sharp Cutting Edge: Maintaining a sharp cutting edge is crucial to minimize BUE formation and ensure smooth chip flow. Regularly inspect and replace worn tools.
Carbide Grade Selection:
Cutting Speed Optimization:
Additional Tips:
By implementing these strategies and tailoring them to specific machining setups, machinists can effectively machine Steel 1020 and achieve desired results.
For detailed carbide grade and cutting speed recommendations, refer to the provided chart or utilize the Grades Wizard. For specific cutting speed recommendations, consult the provided table or use the Speed and Feed Calculator.
Disclaimer: The information provided is intended as a general guideline. Specific machining parameters may vary depending on individual setups and requirements. Always consult with tooling experts and refer to manufacturer recommendations for optimal results.
Standard | Name |
---|---|
SAE | 1020 |
WNR | 1.0402 |
DIN | C22 |
BS | 050A20 |
SS | 1450 |
ANFOR | CC20 |
UNI | C20C21 |
UNF | F.112 |
Element | Percentage |
---|---|
Manganese (Mn) | .30-.60% |
Carbon (C) | .18-.23% |
Sulfur (S) | 0.05% |
Phosphorus (P) | 0.04% |
Application | Vc (m/min) | Vc (SFM) |
---|---|---|
Turning | 300-405 | 980-1330 |
Milling | 185-250 | 610-820 |
Parting | 145-195 | 480-640 |
Grooving | 165-225 | 540-740 |
Drilling | 120-160 | 390-520 |
The recommended cutting speeds provided are based on ideal machining conditions. Achieving optimal results in real-world scenarios requires careful consideration of various factors that can influence cutting performance. These factors include:
By taking these factors into account and adjusting cutting speeds accordingly, machinists can maximize productivity, tool life, and overall machining success.
Disclaimer: The recommended cutting speeds are provided as a starting point. Always consult with tooling experts and refer to manufacturer recommendations for fine-tuning cutting parameters based on specific machining setups and requirements.
Honing Siz | 0.05-0.08 mm / 0.002-0.003" |
Rake Angl | 11° -13° |
Land Angl | Positive |
Land Widt | 0.20-0.30 mm / 0.008-0.012" |