20X12BHMΦ Stainless Steels

20X12BHMΦ - Specification & Application

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

Chemical composition(wt.%) of 20X12BHMΦ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.17 0.23
Si - 0.60
Mn 0.50 0.90
P - 0.030
S - 0.025
Cr 10.50 12.50
Ni 0.50 0.90
Mo 0.50 0.70
W - 0.20
Ti - -
V 0.15 0.30

20X12BHMΦ - Detail

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

Mechanical properties of grade 20X12BHMΦ

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)
257 (≥) 623 (≥) 22 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical properties of grade 20X12BHMΦ

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
924 (≥) 898 (≥) 31 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
732 633 671

Equivalent Grade

Equivalent Products

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