18X12BMBΦP Stainless Steels

18X12BMBΦP - Specification & Application

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

Chemical composition(wt.%) of 18X12BMBΦP grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15 0.22
Si - 0.50
Mn - 0.50
P - 0.030
S - 0.025
Cr 11.00 13.00
Ni 0.40 0.60
Mo 0.50 0.70
W 0.40 0.70
Ti - 0.20
V 0.15 0.30
B - 0.0030

18X12BMBΦP - Detail

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

Mechanical properties of grade 18X12BMBΦP

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)
858 (≥) 776 (≥) 23 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade 18X12BMBΦP

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
997 (≥) 969 (≥) 14 23 41 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
549 571 931

Equivalent Grade

Equivalent Products

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