Limiting Chemical Composition, %

Ni - Remainder
Mo - 15.0-17.0
Cr - 14.5-16.5
Fe - 4.0-7.0
W - 3.0-4.5
Co - 2.5 max.
Mn - 1.0 max.
C - 0.01 max.
V - 0.35 max.
P - 0.04 max.
S - 0.03 max.
Si - 0.08 max

Typical Mechanical Properties (Annealed)

Rupture Strength (1000 h)

Physical Constants and Thermal Properties

Tensile Strength, ksi •••••• 110
MPa •••••• 758
Yield Strength (0.2% Offset), ksi •••••• 53
MPa •••••• 363
Elongation, % •••••• 62

Specifications and Designation

UNS N10276
ASTM B 574, B 575,
B 619, B 622, B 626,
B 751
NACE MR-01-75
DIN 17744, 17750-17752
ASME SB-574, SB-575, SB-619,
SB-622, SB-626, Boiler Code
Section I, III, VIII, IX
Werkstoff Nr. 2.4819

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