What is Material-347?
Material-347 is an engineering material with engineering material. This guide covers chemical composition, mechanical properties, and machining per GB/T or ASTM standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| C | ≤0.08 | ASTM/GB |
| Mn | ≤2.00 | ASTM/GB |
| P | ≤0.045 | ASTM/GB |
| S | ≤0.03 | ASTM/GB |
| Si | ≤1.00 | ASTM/GB |
| Cr | 17.0-19.0 | ASTM/GB |
| Ni | 9.0-12.0 | ASTM/GB |
| Nb | ≥10×C | ASTM/GB |
| Fe | Balance | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥500 MPa | ASTM/GB |
| Yield Strength | ≥300 MPa | ASTM/GB |
| Elongation | ≥15% | ASTM/GB |
| Hardness | 180 HV | HV |
| Density | 7.85 g/cm³ | 20°C |
Key Features
- Good mechanical properties
- Suitable for industrial applications
- Good machinability
- Cost-effective
Applications
- Industrial components
- Automotive parts
- Machine tool components
- Structural applications
Machinability
Material-347 has good machinability. Recommended: Carbide tools, appropriate cutting parameters, adequate coolant.
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