18X11MHΦБ Stainless Steels

18X11MHΦБ - Specification & Application

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

Chemical composition(wt.%) of 18X11MHΦБ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15 0.21
Si - 0.60
Mn 0.60 1.00
P - 0.030
S - 0.025
Cr 10.00 11.50
Ni 0.50 1.00
Mo 0.80 1.10
W - -
Ti - 0.20
V 0.20 0.40

18X11MHΦБ - Detail

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

Mechanical properties of grade 18X11MHΦБ

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)
515 (≥) 868 (≥) 22 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade 18X11MHΦБ

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
451 (≥) 383 (≥) 32 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
343 515 251

Equivalent Grade

Equivalent Products

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