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Grade: AISI 347
Composition: Fe/Cr 18/Ni10/Nb
Form: Powder
Material: Stainless Steel
Commodity: Alloys
Max Particle Size:
45μm
Production Method:
Atomized
AISI 347 Stainless Steel Powder is a niobium-stabilized austenitic alloy engineered for high resistance to intergranular corrosion, oxidation, and creep under extreme thermal conditions. Produced in fine, uniform particles, it offers excellent flowability and packing density, making it well-suited for powder metallurgy, additive manufacturing, and thermal spray coating processes. Industries including aerospace, chemical processing, and power generation leverage this powder for components such as turbine blades, high-temperature fasteners, and corrosion-resistant chemical reactor parts. Specific applications extend to precision sintered components in exhaust systems and wear-resistant overlays in aggressive environments. Research uses include optimizing powder bed fusion parameters, studying oxidation and hot corrosion kinetics, and developing novel surface-modified powders to enhance service life. Its combination of thermal stability, corrosion performance, and manufacturing versatility positions it as a critical feedstock in advanced industrial production and materials science innovation.
Tolerances
Powder
| Mean Particle Size | Nominal | |
|---|---|---|
| Minimum Particle Size | Nominal | |
| Maximum Particle Size | Nominal | |
| Maximum Particle Size | Nominal | |
| Particle Size D10 | Nominal | |
| Particle Size D50 | Nominal | |
| Particle Size D90 | Nominal |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 160-190 |
| Elongation at break( % ) | <60 |
| Modulus of elasticity( GPa ) | 190-210 |
| Izod impact strength( J m⁻¹ ) | 20-136 |
| Tensile strength( MPa ) | 520-1100 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 70-73 |
Thermal Properties
| Element | Value |
|---|---|
| Maximum use temperature in air( C ) | 800 |
| Melting point( C ) | 1400-1425 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 16.3@100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 16-18@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 7.93 |
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