PH 15-7 Mo Stainless Steels to SAE AMS 5657C (1960)

PH 15-7 Mo - Specification & Application

  • SAE AMS 5657C (1960) - Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al

Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al

Chemical composition(wt.%) of PH 15-7 Mo grade: to SAE AMS 5657C (1960)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 0.30
Mn - 0.50
Cr - 15.00
Ni - 7.00
Mo - 2.20
Co - -
W - -
Al - 1.17
Cu - -
Ti - -
Fe - remaining

PH 15-7 Mo - Detail

Steel Bars and Forgings, Corrosion and Moderate Heat-Resistant 15Cr - 7.1Ni - 2.5Mo - 1.1Al

Mechanical properties of grade PH 15-7 Mo SAE AMS 5657C (1960)

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)
627 (≥) 985 (≥) 21 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade PH 15-7 Mo SAE AMS 5657C (1960)

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
371 (≥) 662 (≥) 44 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
151 119 545

Equivalent Products

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