Quick Look
| Density | Melting Point | Thermal Conductivity | Electrical Conductivity | Coefficient of Expansion |
|---|---|---|---|---|
| 7.8 g/cm³ | 1370-1450°C | 16-25 W/m·K | 1.4-1.6 MS/m | 15-18 µm/m·K |
About the Material
Materials We Support：
| ASTM | DIN | GB | Density (g/cm³) | Hardness | Tensile Strength,Yield (MPa) | Fatigue Strength (Mpa) | Elongation at Break (%) |
| 440C | X105CrMo17 | 11Cr17 9Cr18Mo | 7.8 | 223 HB | 445 | 83.9 | 14 |
| 420J2 | / | 4Cr13 | 7.8 | 280 HB | 500 | 350~450 | 10~15 |
| 420 | X30Cr13 | 3Cr13 | 7.8 | 195 HB | 345 | 80.7 | 25 |
| 17-4PH 630 | X5CrNiCuNb17-4 | 0Cr17Ni4Cu4Nb | 7.8 | 419 HB | 1379 | 77.4 | 7 |
| 201 | / | 12Cr17Mn6Ni5N | 7.9 | 170~200 HB | 520 | 250~350 | 50~60 |
| 301 | X12CrNi17-7 | 1Cr17Ni7 | 7.9 | 160~200 HB | 520 | 300~450 | 35~45 |
| 303 | X10CrNiS18-9 | Y1Cr18Ni9 | 8 | 160 HB | 240 | 77.2 | 50 |
| 304 304H | X5CrNi18-10 | 0Cr18Ni9 | 8 | 201 HB | 515 | 300~450 | 40 |
| 304L | X2CrNi19-11 | 00Cr19Ni10 | 7.9 | 187 HB | 520 | 250~350 | 40 |
| 316 316H | X5CrNiMo17-12-2 | 0Cr17Ni12Mo2 | 8 | 150~217 HB | 205 | 300 | 50 |
| 316L | X2CRNiMo18-14-3 | 00Cr17Ni14Mo2 | 8 | 150~217 HB | 205 | 300 | 50 |
Advantages:
Corrosion Resistance: Stainless steel's resistance to corrosion makes it ideal for applications exposed to moisture and chemicals.
High Strength: Provides excellent tensile strength, suitable for load-bearing components.
Heat Resistance: Stainless steel retains its mechanical properties at high temperatures.
Aesthetic Appeal: Offers a clean, professional look, often used in consumer products and decorative applications.
Limitations:
Machinability: Stainless steel can be difficult to machine, requiring specialized tools and techniques.
Cost: Stainless steel is more expensive compared to other metals such as aluminum or carbon steel.
Tool Wear: The hardness of stainless steel leads to increased tool wear, raising machining costs.
Chemical Composition Table for Stainless Steel
| Element | Typical Percentage (%) |
| Iron (Fe) | 70-75 |
| Chromium (Cr) | 16-20 |
| Nickel (Ni) | 8-12 |
| Manganese (Mn) | ≤ 2.0 |
| Carbon (C) | ≤ 0.08 |
Mechanical Machining Properties Table for Stainless Steel
| Property | Value |
| Machinability Rating | Moderate |
| Cutting Speed (m/min) | 30-60 |
| Tool Wear Resistance | Low |
| Coolant Requirement | Required |
| Surface Finish Quality | Moderate to High |
Design Parameters Table for CNC Machining Stainless Steel
| Maximum Bulid Size (mm) | Minimum Wall Thickness (mm) | Minimum Assembly Gap (mm) | Tolerance (mm) | Minimum End Mill Size (mm) | Minimum Drill Size (mm) |
| 3600x2500x600 | 1 | 0.01 | Minimum 0.01 | 1 | 0.5 |
Industry Applications and Case Studies for CNC Machining Stainless Steel
Medical Industry:
Application: Production of surgical instruments, implants, and medical devices.
Case Study: A medical equipment manufacturer used CNC machining to produce stainless steel surgical tools, ensuring precision and biocompatibility.
Automotive Industry:
Application: Manufacturing of exhaust systems, engine components, and brackets.
Case Study: An automotive supplier used CNC machining to create stainless steel exhaust manifolds, providing durability and resistance to high temperatures.
Food Processing Industry:
Application: Production of food-grade machinery and components.
Case Study: A food processing company utilized CNC machining to manufacture stainless steel valves, ensuring hygiene and corrosion resistance.
Frequently Asked Questions (FAQs) about CNC Machining Stainless Steel
What are the benefits of using stainless steel in CNC machining?
Stainless steel offers high strength, corrosion resistance, and heat resistance, making it suitable for demanding applications.
Is CNC machining suitable for high-volume stainless steel production?
Yes, CNC machining is effective for both prototyping and high-volume production of stainless steel components.
What industries benefit from CNC machining stainless steel?
Industries such as medical, automotive, aerospace, and food processing benefit from stainless steel's properties.
How does stainless steel compare to aluminum in terms of machinability?
Stainless steel is harder to machine than aluminum, requiring specialized tools and slower cutting speeds.
What are the limitations of using stainless steel in CNC machining?
Limitations include higher material cost, increased tool wear, and greater machining difficulty compared to other metals.
Can stainless steel be polished after CNC machining?
Yes, stainless steel can be polished to achieve a high-quality, shiny finish suitable for decorative and hygienic purposes.
What tolerances can be achieved with CNC machining stainless steel?
Typical tolerances are ±0.1 mm, depending on the specific requirements of the part.
Finishing Options
Parts Made by AutofabX
