28Mn6

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Chemical composition %   of   steel   28Mn6    EN 10083-2-2006

Cr + Mo + Ni = max 0.63

C	Si	Mn	Ni	P	S	Cr	Mo
0.25 - 0.32	max   0.4	1.3 - 1.65	max   0.4	max   0.03	max   0.035	max   0.4	max   0.1

Mechanical properties of   steel   28Mn6 

Nominal thickness (mm):	to 16	16 - 100	100 - 250	250 - 500	500 - 1000
Rm - Tensile strength (MPa) (+N)	630	600	570	540	540

Nominal thickness(mm):	to 16	16 - 100	100 - 250	250 - 500	500 - 1000
Re - Upper yield strength or  Rp0.2 - 0.2% proof strength (MPa) (+N)	345	310	290	270	260

KV - Impact energy (J) (+QT)	+20° 40

Nominal thickness (mm):	to 16	16 - 100	100 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+N)	17	18	18

Brinell hardness   (HBW):   (+S)	255
Brinell hardness   (HBW):   (+A)	223