Waspaloy* * Trade name of United Technologies Corporation

W.NR 2.4654
UNS N07001
AWS 170
This age hardenable nickel base super alloy has very good strength in temperatures up to about 980oC (1800oF). It’s strength is generally comparable to that of Rene 41and is generally superior to that of Alloy 718 at temperatures exceeding 650 - 705oC (1200 - 1300oF).

Applications include:

  • Gas Turbine Engine Parts
  • Aerospace Components
  • Springs and Fasteners
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Approximate Chemical Composition
Ni BAL
Co 13.5%
Fe 2% max
Cr 19%
Mo 4.3%
Al 1.5%
Ti 3%
DENSITY 8.16 g/cm3 0.295 lb/in3
MELTING POINT 1330 oC 2425 oF
COEFFICIENT OF EXPANSION 122 µm/m °C
( 21 - 93°C)		 6.8 x 10-6 in/in °F
( 70 - 200°F)
MODULUS OF RIGIDITY - -
MODULUS OF ELASTICITY 211.0 kN/m2 30600 ksi
 
CONDITION OF SUPPLY HEAT TREATMENT (AFTER FORMING)
Solution Annealed Stabilize at 843ºC (1550ºF) for 4 hours and air cool.
and
Age harden at 760ºC (1400ºF) for 16 hours and air cool.
Spring Temper Anneal at 1050ºC (1920ºF) for 4 hours and air cool.
and
Stabilize at 843ºC (1550ºF) for 24 hours and air cool.
and
Age harden at 760ºC (1400ºF) for 16 hours and air cool.
 
CONDITION APPROX TENSILE STRENGTH APPROX SERVICE TEMPERATURE
Solution Annealed
800-1100 N/mm2 116-159 ksi

up to +550ºC

Depending on
spring design
and operating
conditions

up to +1020ºF

Depending on
spring design
and operating
conditions
Solution Annealed + Aged
1300-1500 N/mm2 189-218 ksi
Spring Temper
1300-1600 N/mm2 189-232 ksi
Spring Temper + Annealed + Aged
1300-1500 N/mm2 189-218 ksi
 
STANDARDS
AMS 5544 AMS 5708 AMS 5828
 
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Unit 4, Smithies Mill, Smithies Moor Lane, Batley, West Yorkshire WF17 8NS UK
Tel: +44(0) 1384 267514   Fax: +44(0) 1384 263022
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