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Ams 5510 Stainless Steel
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AMS 5510 stainless steel is an austenitic chromium-nickel stainless steel specification commonly associated with AISI 321 stainless steel.
It is stabilized with titanium to improve resistance to intergranular corrosion and to maintain strength at elevated temperatures.
AMS 5510 is widely used in aerospace, heat-resistant structures, exhaust systems, and high-temperature industrial equipment.
Chemical Composition (Typical)
| Element | Typical Range (wt%) | Function |
|---|---|---|
| Carbon (C) | ≤ 0.08 | Limits carbide precipitation |
| Chromium (Cr) | 17.0 – 19.0 | Corrosion and oxidation resistance |
| Nickel (Ni) | 9.0 – 12.0 | Austenite stability |
| Titanium (Ti) | ≥ 5×C to ≤ 0.70 | Stabilizes carbon, prevents intergranular corrosion |
| Manganese (Mn) | ≤ 2.0 | Improves toughness |
| Silicon (Si) | ≤ 1.0 | Deoxidation |
| Phosphorus (P) | ≤ 0.045 | Controlled impurity |
| Sulfur (S) | ≤ 0.03 | Controlled impurity |
| Iron (Fe) | Balance | Base metal |
Mechanical and Physical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 201 HB |
| Density | 7.9 g/cm³ |
| Maximum Service Temperature | ~870°C |
| Magnetic | Non-magnetic (annealed) |
Key Performance Features:
Excellent high-temperature strength
Superior resistance to intergranular corrosion
Good weldability
Strong oxidation resistance
Good formability
Common Applications
AMS 5510 stainless steel is widely used in:
Aircraft exhaust systems and engine components
Heat exchangers and furnace parts
High-temperature ducts and manifolds
Petrochemical and power plant equipment
Thermal shields and structural aerospace parts
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