Description

UDIMET  720

Typical Mechanical Properties

Temperature Rupture Strength °F °C ksi MPa 1200 649 102 700 1300 704 73 500 1400 760 70 480 1600 871 32 219 1800 982 10 68

Table 3 – 1000-Hour Rupture Strength of Precipitation- Hardened UDIMET alloy 720

Chromium……………………………………………………….. 15.5-16.5

Cobalt…………………………………………………………….. 14.0-15.5

Molybdenum……………………………………………………. 2.75-3.25

Tungsten………………………………………………………… 1.00-1.50

Titanium…………………………………………………………. 4.75-5.25

Aluminum……………………………………………………….. 2.25-2.75

Carbon…………………………………………………………… 0.01-0.02

Zirconium……………………………………………………… 0.025-0.05

Boron……………………………………………………………… 0.01-0.02

Nickel……………………………………………………………… Balance*

 

*Reference to the ‘balance’ of a composition does not guarantee this is exclusively of the element mentioned but that it predominates and others are present only in minimal quantities.

 

 

Physical Constants

Table 2 – Physical Constants

Density, lb/in³………………………………………………………… 0.292

g/cm³…………………………………………………………. 8.08

Melting Range, °F………………………………………….. 2180-2440

°C………………………………………….. 1194-1338

Coefficient of Expansion, 70-200°F, 10^-6 in/in•°F……………. 6.8

21-93°C, µm/m•°C…………….. 12.24

 

 

Available Products and Specifications

UDIMET alloy 720 is available as forging billet and bar.

 

Major specifications: EMS 55477

EMS 73105

MSRR 7252 C50TF105 MTS 5013

 

 

Figure 1. Typical mechanical properties of precipitation-hardened UDIMET alloy 720

 

Publication Number SMC-106 Copyright © Special Metals Corporation, 2004 (Sept 04)

 

UDIMET is a trademark of the Special Metals Corporation group of companies.