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X12CrNiMoV12-3, 1.4938

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X12CrNiMoV12-3, 1.4938 Application:X12CrNiMoV12-3, 1.4938
Category Type Grade Designations
Grades Stainless Steels X12CrNiMoV12-3, 1.4938 European - EN , EN 2278 - Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤ Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm
EN 10302 - Creep resisting steels, nickel and cobalt alloys
EN 10088-1 - Stainless steels - Part 1: List of stainless steels
EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.15
Mn 0.40 0.90
Si - 0.50
P - 0.025
S - 0.015
Cr 11.00 12.50
Ni 2.00 3.00
Mo 1.50 2.00
V 0.25 0.40
N 0.02 0.04
Mechanical properties of grade X12CrNiMoV12-3, 1.4938
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)
719 (≥) 193 (≥) 23 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Physical properties of grade X12CrNiMoV12-3, 1.4938
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
776 (≥) 478 (≥) 13 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
734 712 578
X12CrNiMoV12-3, 1.4938 Range of products
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
X12CrNiMoV12-3 AFNOR France
Creep resisting steels, nickel and cobalt alloys
1.4938 AFNOR France
Creep resisting steels, nickel and cobalt alloys
Z12CNDV12 Air 9160/C AFNOR France
wrought steels used in aeronautical constructions
X12CrNiMoV12-3, 1.4938 EN European
X12CrNiMoV12-3, 1.4938
Z12CNDV12-03 AFNOR France
Iron and steel. Stainless steel for high temperature application