H11 Stainless Steels to SAE AMS 6488H (1963)

H11 - Specification & Application

  • SAE AMS 6488H (1963) - Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C)

Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C)

Chemical composition(wt.%) of H11 grade: to SAE AMS 6488H (1963)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.40
Si - 0.90
Mn - 0.30
P - -
S - -
Ni - -
Cr - 5.00
Al - -
Cu - -
Ti - -
Fe - remaining
Mo - 1.30
Co - -
V - 0.50

H11 - Detail

Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C)

Mechanical properties of grade H11 SAE AMS 6488H (1963)

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)
961 (≥) 787 (≥) 41 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade H11 SAE AMS 6488H (1963)

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
949 (≥) 597 (≥) 21 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
453 277 726

Equivalent Products

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