30CrNiMo8

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We are professional 30CrNiMo8 30 Cr Ni Mo 8 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,30CrNiMo8 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,30CrNiMo8 Seamless Rolled Steel Rings,30CrNiMo8 Forged Forging Steel rings,30CrNiMo8 Forged Forging Steel Blocks Discs Disks Plates,30CrNiMo8 Forged Forging Steel Gear Shafts Pinion Shafts Spindles Gear Wheels Ring Gears,and other 30CrNiMo8 forged forging parts Forged Products forged forging pieces forged forging steel components materials from china

Chemical composition %   of   steel   30CrNiMo8 
C Si Mn Ni P S Cr Mo
0.26 - 0.34 max   0.4 0.5 - 0.8 1.8 - 2.2 max   0.025 max   0.035 1.8 - 2.2 0.3 - 0.5


Mechanical properties of   steel   30CrNiMo8

Nominal diameter (mm):   to 16 16 - 40 40 - 100 100 - 160 160 - 250 250 - 330 330 - 660
Rm - Tensile strength (MPa) (+QT) 1250-1450 1250-1450 1000-1300 1000-1200 850-1100 850 800


Nominal diameter(mm):   or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; to 16 16 - 40 40 - 100 100 - 160 160 - 250
Re - Upper yield strength or 
Rp0.2 - 0.2% proof strength (MPa) (+QT)
1050 1050 900 800 700
Nominal thickness(mm):   to 160 160 - 330 330 - 660
Re - Upper yield strength (MPa) (+QT) 700 630 590


KV - Impact energy (J) longitud., (+QT) +20°
30-45
KV - Impact energy (J) transverse, (+QT) +20°
20-27


A - Min. elongation at fracture (%) transverse, (+QT) 8-14


Nominal thickness (mm):     to 16 16 - 40 40 - 100 100 - 160 160 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products 9 9 10 11 12


Nominal diameter (mm):     or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; to 16 16 - 40 40 - 100 100 - 160 160 - 250
Z - Reduction in cross section on fracture (%) (+QT) 40 40 45 50 50


  Brinell hardness   (HBW):   (+A) 248 - 255



30CrNiMo8