20Mn5

We are professional 20Mn5 20M5 Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,20Mn5 20M5 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,20Mn5 20M5 Seamless Rolled Steel Rings,20Mn5 20M5 Forged Forging Steel rings,20Mn5 20M5 Forged Forging Steel Blocks Discs Disks Plates,20Mn5 Forged Forging Steel Gear Shafts Pinion Shafts Spindles,and other 20Mn5 20M5 forged forging parts Forged Products forged forging pieces forged forging steel components materials  from china


Chemical composition %   of   steel   20Mn5 20M5 

C	Si	Mn	Ni	P	S	Cr	Mo	Al	-
0.17 - 0.23	max   0.4	1 - 1.5	max   0.4	max   0.035	max   0.035	max   0.4	max   0.1	min   0.02	Cr+Mo+Ni <0.63

Mechanical properties of   steel   20Mn5 20M5 

Nominal thickness (mm):	to 100	100 - 250	250 - 500	500 - 750
Rm - Tensile strength (MPa) (+N)	530	520	500	490

Nominal thickness(mm):	to 100	100 - 250	250 - 500	500 - 750
Re - Upper yield strength (MPa) (+N)	300	280	260	250

KV - Impact energy (J) (+N)	+20° 55

A - Min. elongation at fracture (%) longitud., (+N)	22

A - Min. elongation at fracture (%) transverse, (+N)	20

Z - Reduction in cross section on fracture (%) (+N)	55