Stellite-21

In stock

Limited

Out of stock

Cobalt-based

Projection Thermique

Medical

Energy

Industry

STL-21 is a cobalt-based Stellite-21 alloy for thermal spray, biocompatible and resistant to wear/oxidation, used in medicine, energy and industry for orthopedic implants, heart valves and pump seats.

Packing:

Granulometry:

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Usage

Wear, High temperature

Functional property (technical details)

Wear-resisting, Resistant to hot oxidation

Typical applications

Biomedical coatings for orthopedic implants, heart valves, and surgical instruments, taking advantage of biocompatibility and stability to ensure safe integration into the human body. Coatings for valve seats, pumps and components in corrosive environments, exploiting resistance to wear and hot oxidation for increased durability in thermal and chemical cycles.

Key benefits

Good sphericity, high fluidity, particle size homogeneity, low oxidation

Available documents

Technical sheet, Safety sheet, Particle size distribution, Material certificate

Physical characteristics

Light dispersion

ASTM B822/ISO 13320-1

Available particle sizes (µm)

TS: 15—45; 15—53

Tapped density (g/cc)

≥ 5.10

Apparent density (g/cc)

≥ 4.00

Hall Flow

≤ 22 sec/50g

Chemical composition

Carbon (C) rate%

0.15 — 0.45

Silicon (Si) rate%

≤ 1.50

Manganese (Mn) rate%

≤ 1.50

Phosphorous (P) rate%

≤ 0.01

Sulphur (S) rate%

≤ 0.01

Chromium (Cr) rate%

25.00 — 30.00

Nickel (Ni) rate%

1.50 - 4.00

Molybdenum (Mo) rate%

4.50 - 7.00

Cobalt (Co) rate%

libra

Niobium (Nb) rate%

Titanium (Ti) rate%

Aluminum (Al) rate%

≤ 0.05

Copper (Cu) rate%

Boron (B) rate%

Iron (Ir) rate%

≤ 3.00

Nitrogen (N) rate% (LPBF only)

Oxygen (O) rate% (LPBF only)

Vanadium (V) rate%

Tungsen (W) rate%

≤ 0.50

Cadium (Cd) rate%

Tantalum (Ta) rate%

Hafnium (Hf) rate%

Zirconium (Zr) rate%

Other rate%