29
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).
