12X17P9AHl4 Stainless Steels

12X17P9AHl4 - Specification & Application

Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(wt.%) of 12X17P9AHl4 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.80
Mn 8.00 10.50
P - 0.035
S - 0.020
Cr 16.00 18.00
Ni 3.50 4.50
Mo - 0.30
W - 0.20
Ti - 0.20
N 0.15 0.25

12X17P9AHl4 - Detail

Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Mechanical properties of grade 12X17P9AHl4

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)
826 (≥) 174 (≥) 43 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade 12X17P9AHl4

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
146 (≥) 437 (≥) 42 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
818 977 555

Equivalent Grade

Equivalent Products

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