Spherical Duplex 2209 Stainless Steel Powder Description
Spherical Duplex 2209 Stainless Steel Powder is an advanced alloy that retains many of the renowned characteristics of the widely used 2205 Duplex Stainless Steel while incorporating significant modifications in its chemical composition. Notably, the nickel content in SS2209 is elevated to approximately 9%, compared to the 5% present in 2205. This increase in nickel leads to distinct alterations in the alloy's microstructure, thereby enhancing specific properties that make it particularly suitable for specialized applications in welding and additive manufacturing (3D printing) technologies.
The enhanced nickel content in SS2209 contributes to superior corrosion resistance, especially in environments exposed to chlorides and other aggressive conditions. However, the higher nickel level also affects the material's structural behavior during the forging process, which can sometimes result in forging defects.
Due to its unique combination of properties, SS2209 is ideal for applications that require high strength, excellent corrosion resistance, and the ability to withstand harsh environments. This alloy is especially well-suited for welding processes and additive manufacturing (3D printing), offering the flexibility to create complex geometries while maintaining the material's integrity and performance.
Spherical Duplex 2209 Stainless Steel Powder Specifications
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Grade
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2209
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Shape
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Spherical Powder
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Particle Size
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15-53μm, 45-105μm, or customized
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Hall Flow Rate
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≤21.0s/50g
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Bulk Density
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≥4.20g/cm³
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Tap Density
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≥4.70g/cm³
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Melting Point
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1300-1390℃
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Theoretical Chemical Composition Wt%
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Element
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Ni
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Cr
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Mo
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N
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Mn
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C
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Cu
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Si
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S
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P
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O
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Fe
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2209
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7.5-10.5
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21.5-23.5
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2.5-3.5
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0.08-0.20
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0.5-2.0
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≤0.04
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≤0.75
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≤1.0
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<0.015
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<0.015
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<0.05
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Bal.
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Spherical Duplex 2209 Stainless Steel Powder Applications
- Additive Manufacturing (3D Printing)
Used in selective laser melting (SLM) and electron beam melting (EBM) to produce complex geometries, offering excellent mechanical properties and corrosion resistance.
Ideal for welding applications, especially in marine, offshore, and chemical processing industries, where high corrosion resistance is critical.
Spherical Duplex 2209 Stainless Steel Powder Packing
Our Spherical Duplex 2209 Stainless Steel Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1. What is Spherical Duplex 2209 Stainless Steel Powder?
Spherical Duplex 2209 Stainless Steel Powder is a high-performance material made from a duplex stainless steel alloy. It features a balanced microstructure of austenite and ferrite phases, providing excellent mechanical strength and resistance to corrosion. It is commonly used in additive manufacturing, welding, and other applications where high strength and resistance to harsh environments are needed.
Q2. What are the key advantages of using Spherical Duplex 2209 Stainless Steel Powder?
- High strength: The duplex structure provides superior strength, making it ideal for structural applications.
- Corrosion resistance: Excellent resistance to pitting, crevice corrosion, and chloride stress corrosion, making it suitable for marine and offshore environments.
- Good weldability: It offers excellent weldability, which is beneficial for manufacturing components using welding techniques.
- Versatility: Suitable for additive manufacturing, including 3D printing, and other industrial applications.
Q3. What are the typical mechanical properties of Spherical Duplex 2209 Stainless Steel Powder?
It exhibits high tensile strength, excellent impact resistance, and good ductility. Its specific properties depend on the processing method, but in general, it has high strength and resistance to oxidation and corrosion in harsh environments.
