14-4PH Stainless Steels

14-4PH - Specification & Application

High temperature alloys and other special alloys

Chemical composition(wt.%) of 14-4PH grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 0.75
Mn - 0.35
Cr - 14.1
Ni - 4.25
Mo - 2.38
Cu - 3.25
Nb - 0.25
N - 0.02
Fe - remaining

14-4PH - Detail

High temperature alloys and other special alloys

Mechanical properties of grade 14-4PH

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)
568 (≥) 186 (≥) 43 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade 14-4PH

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
782 (≥) 593 (≥) 11 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
774 436 434

Equivalent Grade

Equivalent Products

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