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Grade 403 is a straight chromium martensitic stainless steel offering reasonable corrosion resistance and high mechanical characteristics. It provides excellent heat resistance with a scaling temperature of about 1300°F (704°C). This alloy can be easily hardened by oil, fan, or air cooling and tempered to improve fracture toughness. It is commonly used in turbine parts and compressor blades.
| Material Grade | ASTM A276 / ASTM A479 / AMS 5611 / AMS 5612 | Standard | ASTM A276 / ASTM A479 / AMS 5611 / AMS 5612 |
| Thickness Range | 0.3-100 mm | Width Range | 1000-2000 mm |
| Length Range | 2000-6000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.15 | Si | ≤0.50 |
| Mn | ≤1.00 | P | ≤0.040 |
| S | ≤0.030 | Cr | 11.50-13.50 |
| Tensile Strength | 485 MPa | Yield Strength | 310 MPa |
| Elongation | 25% |
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