12X25H16Γ7AP(ЭИ835) Stainless Steels

12X25H16Γ7AP(ЭИ835) - Specification & Application

Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Chemical composition(wt.%) of 12X25H16Γ7AP(ЭИ835) grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 1.00
Mn 5.00 7.00
P - 0.035
S - 0.020
Cr 23.00 26.00
Ni 15.00 18.00
Mo - -
Al - -
Ti - -
Fe - remaining
N 0.30 0.45
B - 0.01
Cu - 0.20

12X25H16Γ7AP(ЭИ835) - Detail

Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Mechanical properties of grade 12X25H16Γ7AP(ЭИ835)

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)
561 (≥) 572 (≥) 31 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade 12X25H16Γ7AP(ЭИ835)

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
122 (≥) 855 (≥) 33 23 41 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
163 521 174

Equivalent Products

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