817M37

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We are professional 817M37 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,817M37 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,817M37 Seamless Rolled Steel Rings,817M37 Forged Forging Steel rings,817M37 Forged Forging Steel Blocks Discs Disks Plates,817M37 Forged Forging Steel Gear Shafts Pinion Shafts Spindles,and other 817M37 forged forging parts Forged Products forged forging pieces forged forging steel components materials  from china

Chemical composition %   of   steel   817M37
C Si Mn Ni P S Cr Mo
0.32 - 0.4 max   0.4 0.5 - 0.8 0.9 - 1.2 max   0.035 max   0.035 0.9 - 1.2 0.15 - 0.3


Mechanical properties of   steel   817M37

Nominal thickness (mm):   to 160 160 - 330 330 - 660
Rm - Tensile strength (MPa) (+QT) 750 700 650
Nominal thickness (mm):   to 8 8 - 20 20 - 50 50 - 80
Rm - Tensile strength (MPa) (+QT) 1100 1000 900 800


Nominal thickness (mm):   to 8 8 - 20 20 - 50 50 - 80
ReH - Minimum yield strength (MPa) (+QT) 900 800 700 600


Nominal thickness(mm):   to 160 160 - 330 330 - 660
Re - Upper yield strength (MPa) (+QT) 550 500 450


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


Nominal thickness (mm):     to 160 160 - 330 330 - 660
A - Min. elongation at fracture (%) longitud., (+QT) 14 15 16
A - Min. elongation at fracture (%) transverse, (+QT) 10-12
Nominal thickness (mm):     to 8 8 - 20 20 - 50 50 - 80
A - Min. elongation at fracture (%) longitud., (+QT) 10 11 12 13


  Brinell hardness   (HBW):   (+A) 241



817M37