What is Special-Material-688?
Special-Material-688 is an engineering material with engineering material. This guide covers chemical composition, mechanical properties, and machining per ASTM standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| Fe | Balance | ASTM |
| C | ≤0.50 | ASTM |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥600 MPa | ASTM |
| Yield Strength | ≥400 MPa | ASTM |
| Elongation | ≥15% | ASTM |
| Hardness | 200 HV | HV |
| Density | 7.85 g/cm³ | 20°C |
Applications
- Industrial components
- Automotive parts
- Machine tool components
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