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23
Appendix. Mechanical and magnetic parameters of
frequently arrived Russian grades of structural steels
Table A.1
Н
с
, A/cm Steel
grade

B
,
MPa

Y
,
MPa 
=0

=

Y

=

B
Ст 3 350 210 1.7 5.0 6.0
09Г2С 470 325 3.0-4.0 7.5-7.8 9.5
17Г1С 520 350 4.0 10 11
Steel 20 420 230 3.8-4.5 8.0-10.5 12.0-13.5
10ХСНД 540 400 4-5 11.0-11.5 12-14.5
Ст Дс 650 400 5-6 8.0-8.5 10-11
Table A.2
Н
r
, mT Steel
grade

B
,
MPa

Y
,
MPa
 =0  = 
Y
 = 
B
Ст 3 350 210 0.62 1.69 2.0
09Г2С 470 325 1.06-1.38 2.43-2.79 2.98
17Г1С 520 350 1.38 3.12 4.12
Steel 20 420 230 1.32-1.54 2.57-3.25 3.63-4.0
10ХСНД 540 400 1.38-1.7 3.38-3.5 3.63-4.24
Ст Дс 650 400 1.7-2.0 2.57-2.71 3.12-3.38
Accepted designations:

Y
– metal yield limit (MPa),

B
– the strength limit of the metal (MPa),
Н
c
– coercive force of the metal (A/cm),
Н
r
– the field strength of the residual
magnetization of the metal (mT).