This article references the authoritative source “Encyclopedia of Metal Materials” to provide a detailed analysis of the performance characteristics and processing points of 20CrMnTi. In CNC machining and metal parts manufacturing, stainless steel is one of the most commonly used materials.
1. Basic Information of 20CrMnTi
20CrMnTi is a commonly used stainless steel material with good corrosion resistance and mechanical properties. It is widely applied in industrial manufacturing, medical devices, food processing, and other fields.
2. Chemical Composition (GB/T 3077)
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.17-0.23 |
| Silicon (Si) | 0.17-0.37 |
| Manganese (Mn) | 0.80-1.10 |
| Chromium (Cr) | 1.00-1.30 |
| Titanium (Ti) | 0.04-0.10 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.035 |
| Nickel (Ni) | ≤0.30 |
3. Mechanical Properties
| Performance Indicator | Value |
|---|---|
| Tensile Strength | ≥520 MPa |
| Yield Strength | ≥205 MPa |
| Elongation | ≥40% |
| Hardness | ≤187 HB |
4. Corrosion Resistance
20CrMnTi performs excellently in the following environments:
- Atmospheric Environment: Excellent resistance to atmospheric corrosion
- Fresh Water: Suitable for fresh water environments
- Weak Acids and Bases: Good corrosion resistance
- Chlorides: General, not suitable for high-chloride environments
5. Typical Applications
- Kitchenware (cutlery, cookware)
- Medical Devices (surgical instruments, implants)
- Architectural Decoration (curtain walls, handrails)
- Food Industry (storage tanks, pipelines)
- CNC Machined Parts (precision parts, connectors)
6. CNC Machining Performance
CNC machining characteristics of 20CrMnTi:
- High Toughness: Prone to tool sticking during machining
- Work Hardening: Surface hardening occurs during cutting
- Poor Thermal Conductivity: Requires adequate cooling
- Cutting Speed: 80-120 m/min
- Tool Selection: Carbide tools, coated tools
7. Procurement Guide
Market Price Reference:
- Sheet: 15-25 RMB/kg
- Bar: 20-30 RMB/kg
- Tube: 25-35 RMB/kg
Quality Identification:
- Check the Material Test Certificate (MTC)
- Spectrum analysis to confirm composition
- Surface inspection for cracks and inclusions
8. Our Services
Dongguan Stirling Metal Products Co., Ltd. specializes in providing 20CrMnTi material + CNC machining One-Stop Service:
- ✅ Material Procurement: Genuine products guaranteed, complete MTC provided
- ✅ CNC Machining: Precision ±0.01mm, smooth surface finish
- ✅ Sample Production: Fast delivery in 3-5 days
- ✅ Batch Production: Delivery in 7-15 days
- ✅ Surface Treatment: Polishing, brushing, electroplating
For a Free Quote, please feel free to contact us!
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