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ISO X12CrNiMoV12-3 Details

X12CrNiMoV12-3 Application:Wrought steels for use at elevated temperatures in engines

Category Type Grade Microstructure Designations
Grades Stainless Steels X12CrNiMoV12-3 Bainite International - ISO , ISO/TR 4956 - Wrought steels for use at elevated temperatures in engines

Chemical composition(wt.%) of X12CrNiMoV12-3 grade: ISO/TR 4956

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.15
Si - 0.35
Mn 0.50 0.90
P - 0.030
S - 0.025
Cr 11.00 12.50
Mo 1.50 2.00
Ni 2.00 3.00
V 0.25 0.40
N 0.02 0.04
Wrought steels for use at elevated temperatures in engines

Mechanical properties of grade X12CrNiMoV12-3 ISO/TR 4956

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)
727 (≥) 219 (≥) 11 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade X12CrNiMoV12-3 ISO/TR 4956

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
695 (≥) 488 (≥) 13 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
772 614 226

X12CrNiMoV12-3 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
X20CrMoNiNbV11-1 ISO International
Wrought steels for use at elevated temperatures in engines
X12CrNiMoV12-3 ISO International
Wrought steels for use at elevated temperatures in engines

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