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50Cr Application:China structural steel and alloy steel
Category Type Steel grade Standard Country
Grades Special Alloy 50Cr GBT China

Chemical composition % of the ladle analysis of grade 50Cr

C(%) Si(%) Mn(%) Cr(%)
0.47-0.54 0.17-0.37 0.50-0.80 0.80-1.10
50Cr
Mechanical properties of grade 50Cr
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)
797 (≥) 432 (≥) 32 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Physical properties of grade 50Cr
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
848 (≥) 441 (≥) 23 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
561 939 289
50Cr 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
X50CrMoV15 GBT China
Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
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Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels
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Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
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Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
X50CrMoV15 GBT China
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Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
X50CrMnNiNbN21-9 GBT China
Valve steels and alloys for internal combustion engines
1.4882 GBT China
Valve steels and alloys for internal combustion engines
Fe-Ni50Cr1 GBT China
Nickel and nickel alloys. Iron-nickel alloys with particular dilatability
X50CrSi8-2 GBT China
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines
X50CrMnNiNbN21-9 GBT China
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines
X50CrMoW9-1-1 GBT China
Alloyed CrMoW steel
50Cr50NiCb/50Cr50NiNb GBT China
Standard Specification for Castings, Chromium-Nickel Alloy
ASTM 50Cr-50Ni-Nb GBT China
Standard Specification for Castings, Chromium-Nickel Alloy

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