Skip to product information
1 of 2

Inconel 721

Inconel 721

INCONEL Alloy 721 boasts remarkable strength and temperature stability, becoming stronger through age hardening. It is exceptionally resistant to chemical corrosion and oxidation, with a low creep rate even at extreme temperatures.

Equivalent grades

• Inconel 721
• Alloy 721

Chemical Composition Reference

C, Si, Mn, P, S, Cr, Al, Cu, Ti, Fe

Physical Property Reference

• Density: 8000 kg/m³

• Thermal expansion: 16-17e-6/K

• Thermal conductivity: 16W/m.K

• Melting temperature: 1370- 1400°C

• Service temperature: 0 - 500°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 Tick
• 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

View full details

Inconel 721

Essential details
INCONEL Alloy 721 is a high-strength, high-temperature nickel-base alloy responding to age hardening for maximum properties. It is highly resistant to chemical corrosion and oxidation. Its creep rate is low under high stresses at 1200-1500 F.


Superalloy is widely used to produce the high temperature components for gas turbine in the field of aviation, naval vessels and industry, such as turbine blade, guide blade, turbine disc, high pressure compressor disc, combustor, and also production of energy conversion devices, such as aerospace craft, rocket motor, nuclear reactor, petrochemical equipments, coaly transforming and so on.

Get a free Quote

Call Us:
Visit Us:
Building #32, No.288 Xinzhuan Road, Songjiang District, Shanghai, China 201612
Email Us:

Get a free Quote

  • Sales Executive of Ninesteel, contact us for free quote
  • Account Manager of Ninesteel, contact us for free quote