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ASTM ASTM 50Cr-50Ni-Nb Details

Standard Specification for Castings, Chromium-Nickel Alloy
This standard is issued under the fixed designation A 560/A 560M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval

ASTM 50Cr-50Ni-Nb Application:Standard Specification for Castings, Chromium-Nickel Alloy

Category Type Grade Designations
Grades Superalloys ASTM 50Cr-50Ni-Nb USA - ASTM ,

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)

Mechanical properties of grade ASTM 50Cr-50Ni-Nb

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)
555 (≥) 556 (≥) 41 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade ASTM 50Cr-50Ni-Nb

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
498 (≥) 727 (≥) 14 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
183 575 967

ASTM 50Cr-50Ni-Nb - 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
50Cr50NiCb/50Cr50NiNb ASTM USA
Standard Specification for Castings, Chromium-Nickel Alloy
ASTM 50Cr-50Ni-Nb ASTM USA
Standard Specification for Castings, Chromium-Nickel Alloy

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