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SEW 26NiCrMoV14-5 Details

26NiCrMoV14-5 Application:Steels for larger forgings for components in turbine and generator installations

Category Type Grade Microstructure Designations
Grades Tool Die Steels 26NiCrMoV14-5 Austenite Germany - SEW , SEW 555 - Steels for larger forgings for components in turbine and generator installations

Chemical composition(wt.%) of 26NiCrMoV14-5 grade: SEW 555

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.28
Si - 0.25
Mn - 0.40
P - 0.010
S - 0.010
Cr 1.40 1.80
Ni 3.40 3.80
Mo 0.30 0.45
V - 0.15
Al - 0.025
Steels for larger forgings for components in turbine and generator installations

Mechanical properties of grade 26NiCrMoV14-5 SEW 555

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)
723 (≥) 965 (≥) 12 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade 26NiCrMoV14-5 SEW 555

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
727 (≥) 342 (≥) 21 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
633 225 929

26NiCrMoV14-5 - 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
26NiCrMoV14-5 SEW Germany
Steels for larger forgings for components in turbine and generator installations
1.6957 DIN Germany
Steels for larger forgings for components in turbine and generator installations

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