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39NCD3 40NCD3 817M37 Forged Forging steel Rings Rolled Rings Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings Parts Pieces Material Product
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Chemical composition %   of   steel   39NCD3 40NCD3 817M37
CSiMnNiPSCrMo
0.32 - 0.4max   0.40.5 - 0.80.9 - 1.2max   0.035max   0.0350.9 - 1.20.15 - 0.3


Mechanical properties of   39NCD3 40NCD3 817M37

Nominal thickness (mm):  to 160160 - 330330 - 660
Rm - Tensile strength (MPa) (+QT)750700650
Nominal thickness (mm):  to 88 - 2020 - 5050 - 80
Rm - Tensile strength (MPa) (+QT)11001000900800


Nominal thickness (mm):  to 88 - 2020 - 5050 - 80
ReH - Minimum yield strength (MPa) (+QT)900800700600


Nominal thickness(mm):  to 160160 - 330330 - 660
Re - Upper yield strength (MPa) (+QT)550500450


KV - Impact energy (J) longitud., (+QT)+20°
35-45
KV - Impact energy (J) transverse, (+QT)+20°
25-27


Nominal thickness (mm):    to 160160 - 330330 - 660
A - Min. elongation at fracture (%) longitud., (+QT)141516
A - Min. elongation at fracture (%) transverse, (+QT)10-12
Nominal thickness (mm):    to 88 - 2020 - 5050 - 80
A - Min. elongation at fracture (%) longitud., (+QT)10111213


  Brinell hardness   (HBW):   (+A)241
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