DIN X21CrMoV12-1

Grades | Stainless Steels | X21CrMoV12-1

DIN X21CrMoV12-1 ( Martensite )

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X21CrMoV12-1 Application:Steels for larger forgings for components in turbine and generator installations

Chemical composition(mass fraction)(wt.%) of the X21CrMoV12-1
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.20 0.26
Si - 0.50
Mn 0.30 0.80
P - 0.025
S - 0.020
Cr 11.00 12.50
Mo 0.80 1.20
Ni 0.30 0.80
V 0.25 0.35

Mechanical properties of grade X21CrMoV12-1

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
437 (≥) 943 (≥) 31 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical properties of grade X21CrMoV12-1

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
265 (≥) 449 (≥) 12 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
792 199 722 - - -

X21CrMoV12-1 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