Corrosion Resistance Haynes 214 Rod Premium Alloy For Extreme Temperature
HAYNES 214 Rod: Premium Alloy for Extreme Temperature Applications
Product Overview
HAYNES 214 alloy (UNS N07214) is a high-performance nickel-chromium-aluminum-iron alloy engineered for superior oxidation resistance in high-temperature environments. With a nominal aluminum content of 4.5%, it forms a protective Al₂O₃ oxide scale above 1750°F (955°C), making it ideal for applications in aerospace, automotive, and industrial heating sectors. This alloy maintains its integrity in temperatures up to 2400°F (1315°C), offering exceptional resistance to oxidation, carburization, and chlorine-bearing environments.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 15.0 – 17.0 |
| Aluminum (Al) | 4.0 – 5.0 |
| Iron (Fe) | 2.0 – 4.0 |
| Yttrium (Y) | 0.002 – 0.040 |
| Cobalt (Co) | ≤2.0 |
| Molybdenum (Mo) | ≤0.5 |
| Manganese (Mn) | ≤0.5 |
| Silicon (Si) | ≤0.2 |
| Carbon (C) | ≤0.05 |
| Boron (B) | ≤0.004 |
| Titanium (Ti) | ≤0.5 |
| Tungsten (W) | ≤0.5 |
| Zirconium (Zr) | ≤0.02 |
| Phosphorus (P) | ≤0.015 |
| Sulfur (S) | ≤0.015 |
Mechanical Properties
| Condition | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation (%) |
|---|---|---|---|
| Annealed | 110 – 174 | 65 – 100 | ≥25 |
| Spring Temper | 189 – 247 | Not specified | Not specified |
Physical Properties
| Property | Value |
|---|---|
| Density | 8.05 g/cm³ |
| Melting Point | 1355-1400°C |
| Modulus of Elasticity | 218 GPa |
| Thermal Conductivity | 12.0 W/m·°C |
| Coefficient of Thermal Expansion | 13.3 µm/m·°C |
| Electrical Resistivity | 135.9 µohm·cm |
Applications
HAYNES® 214 rod is utilized in various high-temperature applications, including:
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Aerospace: Components such as honeycomb seals and combustor splash plates.
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Automotive: Catalytic converter internals and burner cups.
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Industrial Heating: Refractory anchors and furnace flame hoods.
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Medical Waste Disposal: Parts in hospital waste incinerators.
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Land-Based Gas Turbines: High-temperature components exposed to oxidizing environments.
FAQs
Q1: What is the maximum operating temperature for HAYNES 214 rod?
A1: HAYNES 214 rod is designed for use in temperatures up to 2400°F (1315°C), depending on the specific application and environmental conditions
Q2: Can HAYNES 214 rod be welded?
A2: Yes, HAYNES 214 rod can be welded using various techniques, including gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and plasma arc welding (PAW). It is important to follow proper welding procedures to maintain the alloy's properties .
Q3: Is HAYNES 214 rod suitable for chlorine-bearing environments?
A3: Yes, HAYNES 214 rod exhibits excellent resistance to oxidation and corrosion in chlorine-bearing environments, making it suitable for applications in such conditions .
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