AM-350 Stainless Steels to SAE AMS-S-8840A (1999)

AM-350 - Specification & Application

  • SAE AMS-S-8840A (1999) - Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120

Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120

Chemical composition(wt.%) of AM-350 grade: to SAE AMS-S-8840A (1999)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.10
Si - 0.40
Mn - 1.00
P - -
S - -
Ni - 4.25
Cr - 16.50
Al - -
Cu - -
Ti - -
Fe - remaining
Mo - 2.75
N - 0.10
Co - -

AM-350 - Detail

Steel Sheet and Strip, Corrosion-Resistant, Precipitation Hardening (AM350 and AM355), Premium Quality Composition AM350, Annealed Composition AM355, CRT 150/180/120

Mechanical properties of grade AM-350 SAE AMS-S-8840A (1999)

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)
486 (≥) 143 (≥) 14 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade AM-350 SAE AMS-S-8840A (1999)

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
631 (≥) 431 (≥) 21 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
511 495 761

Equivalent Products

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