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20CrMnTiH
Details
 20CrMnTiH
standard£ºGB/T 3077-1999
¡ñChemical composition£º
C£º0.17¡«0.23
Si£º0.17¡«0.37
Mn£º0.80¡«1.10
Cr£º1.00¡«1.30
S£º¡Ü0.035
P£º¡Ü0.035
Cr£º1.00¡«1.30
Ni£º¡Ü0.030
Cu£º¡Ü0.030
Ti£º0.04¡«0.10

¡ñmechanical properties£º
tensile strength ¦Òb (MPa)£º¡Ý1080(110)
yield strength ¦Òs (MPa))£º¡Ý835(85)
extensibility ¦Ä5 (£¥))£º¡Ý10
reduction of area ¦× (£¥))£º¡Ý45
notched bar impact strength ¦Ákv (J/cm2))£º¡Ý69(7)
rigidity £º¡Ü217HB