IncoloyA-286 Superalloys to ASTM B516

IncoloyA-286 - Specification & Application

  • ASTM B516 - Pipe
  • ASTM A453 - Bolt

Creep resisting steels, nickel and cobalt alloys

Chemical composition(wt.%) of IncoloyA-286 grade: to ASTM B516

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Cr 13.50 16.00
Ni 24.00 27.00
Mo 1.00 1.50
Ti 1.75 2.30
V 0.10 0.50
B 0.001 0.010
Mn 1.00 2.00
Fe - Bal
Al - 0.40
Si - 1.00
P - 0.030
S - 0.020

IncoloyA-286 - Detail

Note: a cold pull rods, round cakes and ring blank standard (Ti) 1.80% ~ 2.35%.
2 (B) of hot-rolled and cold-rolled sheet standard 0.003% ~ 0.010%, 2.00% or less (Mn), (P) acuities were 0.020%, 0.015% or less (S).
3 (Al) of cold drawn wire standard acuities were 0.35%, 1.75% ~ 2.35% (Ti) and (Si) 0.40% ~ 1.00%, 0.020% or less (P), (S) of 0.015% or less.
Use the wire, cold heading standards (Ti) 1.75% ~ 2.35%, 0.40% ~ 1.00% (Si), (P) acuities were 0.025%, 0.020% or less (S).
5 hot rolled and forged bar standard (Cu) of 0.25% or less.
1.5), heat treatment system is the standard heat treatment system are shown in table 1-3;Alloy is 900 ℃ heat treatment system plus or minus 10 ℃, 1 to 2 h, oil cooled to + 750 ℃ + 10 ℃, 16 h, air cooling.

Mechanical properties of grade IncoloyA-286 ASTM B516

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
979 (≥) 455 (≥) 34 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade IncoloyA-286 ASTM B516

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
727 (≥) 379 (≥) 14 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
991 169 148
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