AM-355 Stainless Steels to SAE AMS 5549G (1987)

AM-355 - Specification & Application

  • SAE AMS 5549G (1987) - Steel, Corrosion and Heat Resistant, Plate 15.5Cr - 4.5Ni - 2.9Mo - 0.10N Solution Heat Treated

Steel, Corrosion and Heat Resistant, Plate 15.5Cr - 4.5Ni - 2.9Mo - 0.10N Solution Heat Treated

Chemical composition(wt.%) of AM-355 grade: to SAE AMS 5549G (1987)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 0.40
Mn - 1.00
P - -
S - -
Ni - 4.25
Cr - 15.50
Al - -
Cu - -
Ti - -
Fe - remaining
Mo - 2.75
N - 0.10
Co - -

AM-355 - Detail

Steel, Corrosion and Heat Resistant, Plate 15.5Cr - 4.5Ni - 2.9Mo - 0.10N Solution Heat Treated

Mechanical properties of grade AM-355 SAE AMS 5549G (1987)

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)
428 (≥) 167 (≥) 34 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade AM-355 SAE AMS 5549G (1987)

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
332 (≥) 818 (≥) 24 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
618 631 225

Equivalent Products

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