A new high-performance and cost-effective alloy specifically developed for automotive exhaust system flexible couplings. Potentially useful for exhaust gas recirculation tubes and other fabricated exhaust system components.

STANDARD PRODUCT FORMS

Sheet and strip.

MAJOR SPECIFICATIONS

UNS S35135
ASTM A 240, A 480

LIMITING CHEMICAL COMPOSITION, %

Ni.......30.0 – 38.0
Fe.......Remainder
Cr......20.0 – 25.0
Mo..........4.0 – 4.8
C...........0.08 max.
Si............0.6 – 1.0
Mn.................. 0.01
S........ 0.015 max.
Ti............0.4 – 1.0

PHYSICAL CONSTANTS AND THERMAL PROPERTIES

Density, Ib/in³.........................................................................0.290
g/cm³......................................................................... 8.02
Melting Range, °F...................................................2467 – 2539
°C...................................................1353 – 1393
Permeability at 200 Oersted (15.9 kA/m).....................1.004
Coefficient of Expansion, 10^-6 in/in•°F (μm/m•°C)
70-200°F (21-93°C)...................... 8.15 (14.7)
70-800°F (21-427°C)................... 8.90 (15.9)
70-1200°F (21-649°C)................. 9.21 (16.4)
Thermal Conductivity^A, Btu • in/ft²•h•°F......................... 78.1
W/m •°C......................................... 11.3
Electrical Resistivity^A, ohm •circ mil/ft.............................. 628
μΩ•m............................................... 1.04
Young's Modulus^A, 10⁶ psi.................................................... 28.3
GPa........................................................... 195
^ARoom temperature, as annealed.

TYPICAL MECHANICAL PROPERTIES

INCOLOY 865

INCOLOY 825