New Alloy: Inconel® 617 is now available from Alloy Wire. Learn about Inconel® 617

List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Nimonic® C-263

Nimonic® C-263

Nimonic® C-263 is an age-hardenable Nickel-Cobalt-Chromium-Molybdenum alloy designed for a combination of aged strength properties with exceptional fabrication characteristics. Nimonic® C-263 shows excellent intermediate temperature tensile ductility, and is typically used for applications such as aircraft turbine engine and land-based turbine applications.

Nimonic® C-263 is also known as Nicrofer 5120 CoTi, Haynes 263, and Hastelloy C-263.

Available in all profile options

Nimonic® C-263 - Alloy Wire International 1

Key Features

Nimonic® C-263 offers the following key features:

Excellent fabrication characteristics
in the annealed condition
Age Hardenable
High temperature static applications**

Typical Applications

Nimonic® C-263 is known to be suitable for the following applications:

Parts in gas turbines
Sealing rings


Designations

AMS 5872
AMS 5886
BS HR 10
BS HR 206

Specifications

W.Nr. 2.4650
UNS N07263

Chemical Composition

The chemical composition of Nimonic® C-263 is indicated in the table below:

ElementMin %Max %
C0.040.08
Si0.40
Mn0.60
S0.007
Ag0.0005
AI0.300.60
B0.005
Bi0.0001
Co19.021.0
Cr19.021.0
Cu0.20
Fe0.70
Mo5.606.10
Pb0.002
Ti1.902.40
Ti+AI2.402.80
NiBal

Alloy Details

Nimonic® C-263 density, melting point, coefficient of expansion, and modulus of elasticity is indicated in the table below:

DensityMelting PointCoefficient of ExpansionModulus of Elasticity
8.36 g/cm31325 °C10.6 μm/m• °C (20 – 100 °C)222.5 kN/mm²
0.302 lb/in³2415 °F5.7 x 10-6 in/in• °F (70 – 212 °F)32270 ksi

Heat treatment of finished parts

The typical heat treatment of Nimonic® C-263:

Condition as supplied by AWITypeTemperatureTimeCooling
AnnealedAge Harden800 °C (1475 °F)8 HrAir
Spring TemperAnneal1040 – 1165 °C (1900 – 2125 °F)Suited to diameterWater or Air
Spring TemperAge Harden800 °C (1475 °F)8 HrAir

Properties

The typical mechanical properties of Nimonic® C-263:

Annealed
Approx. tensile strength<1000 N/mm² <145 ksi
Approx. operating temperature depending on load** and environment up to 800 °Cup to 1500 °C
Annealed + Aged
Approx. tensile strength1000 – 1200 N/mm²145 – 174 ksi
Approx. operating temperature depending on load** and environment up to 800 °Cup to 1500 °C
Spring Temper
Approx. tensile strength1200 – 1500 N/mm²174 – 217 ksi
Approx. operating temperature depending on load** and environment up to 800 °Cup to 1500 °C
Spring Temper + Annealed + Aged
Approx. tensile strength1000 – 1200 N/mm²145 – 174 ksi
Approx. operating temperature depending on load** and environment up to 800 °Cup to 1500 °C

The above tensile strength ranges are typical. If you require different please ask.

**Static application = Still/Fixed/Motionless/Rigid ®Trade name of Special Metals Group of Companies.