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30CrNiMo8
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We are professional 30CrNiMo8 30 Cr Ni Mo 8 30NiCrMo8 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
CSiMnNiPSCrMo
0.26 - 0.34max   0.40.5 - 0.81.8 - 2.2max   0.025max   0.0351.8 - 2.20.3 - 0.5


Mechanical properties of   steel   30CrNiMo8

Nominal diameter (mm):  to 1616 - 4040 - 100100 - 160160 - 250250 - 330330 - 660

Rm - Tensile strength (MPa) (+QT)1250-14501250-14501000-13001000-1200850-1100850800


Nominal diameter(mm):   or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160;to 1616 - 4040 - 100100 - 160160 - 250

Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+QT)
10501050900800700
Nominal thickness(mm):  to 160160 - 330330 - 660

Re - Upper yield strength (MPa) (+QT)700630590



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 1616 - 4040 - 100100 - 160160 - 250

A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products99101112


Nominal diameter (mm):     or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160;to 1616 - 4040 - 100100 - 160160 - 250

<td Z - Reduction in cross section on fracture (%) (+QT)4040455050


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