Incoloy 909

Incoloy 909 is a nickel-iron-cobalt superalloy engineered for high-precision applications. Its composition includes nickel, iron, cobalt, with copper and titanium added to enhance strength through precipitation hardening. This alloy features a microstructure optimized for a low thermal expansion coefficient and robust mechanical properties, ensuring reliable performance in demanding environments where dimensional stability and durability are critical.

Chemical Composition Reference

Ni: 38%~41%

Ti: 1.3%~1.8%

Si: 0.35%

Nb: 4.5%~5.5%

Co: 12%~15%

C: 0.03%

Physical Property Reference

• Density: 8.3 g/cm³

• Tensile Strength: 1300 MPa

• Yield Strength: 1140 MPa

• Elongation at break: 15%

• Melting Point: 1422°C

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Thick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee…)
• Customize

Essential details

Incoloy 909 is prized in aerospace, precision engineering, and petrochemical sectors for its low thermal expansion and exceptional strength. Ideal for manufacturing aviation engine parts, turbine blades, high-precision instruments, and fasteners, this alloy ensures dimensional stability and durability under demanding conditions, making it a reliable choice for critical applications.

Applications:

- high temperature bolting applications

- gas turbine shrouds

- gauge blocks