DIN Steels

DIN Steels

100Cr2 Steel
100Cr2 Steel
100Cr6 Steel
100Cr6 Steel
100Cr6 Steel
100Cr6 Steel
100Cr6 Steel
100CrMn6 Steel
100CrMn6 Steel
100CrMnSi6-4 Steel
100CrMo7-3 Steel
100CrMo7-3 Steel
100CrMo7-3 Steel
101Cr6 Steel
105Cr4 Steel
10CrMo9-10 Steel
10CrMo9-10 Steel
10CrMo9-10 Steel
10CrMo9-10 Steel
10NiCr5-4 Steel
10NiCr5-4 Steel
10NiCr5-4 Steel
10NiCr6 Steel
10NiCrMo13-5 Steel
11MnCr5-3 Steel
12CrMo4 Steel
12CrMo4 Steel
12Mn5 Steel
12Ni19 Steel
12NiCr14-6 Steel
12NiCr3-2 Steel
12NiCr3-2 Steel
13CrMo4-4 Steel
13CrMo4-4 Steel
13CrMo4-4 Steel
13CrMo4-5 Steel
13NiCr6 Steel
13NiCr6 Steel
13NiCr6 Steel
14CrMoV6-9 Steel
14NiCr10 Steel
14NiCr10 Steel
14NiCr10 Steel
14NiCr10 Steel
14NiCr10 Steel
14NiCr14 Steel
14NiCr14 Steel
14NiCr14 Steel
14NiCr18 Steel
14NiCr18 Steel
14NiCr18 Steel
14NiCrMo13-4 Steel
14NiCrMo13-4 Steel
14NiCrMo13-4 Steel
15Cr3 Steel
15Cr3 Steel
15Cr3 Steel
15CrMo4 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15CrNi6 Steel
15NiCr13 Steel
15NiCr13 Steel
15NiCr13 Steel
15NiCr13 Steel
15NiCr6-4 Steel
15NiMoSiCr10 Steel
16CrMnNiMo9-5-2 Steel
16CrMo4 Steel
16CrMo4 Steel
16CrMo4 Steel
16CrMo4 Steel
16CrNiMo6 Steel
16MnCr5, 16MnCrS5 Steels
16MnCr5, 16MnCrS5 Steels
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCr5 Steel
16MnCrB5 Steel
16MnCrB5 Steel
16MnCrS5 Steel
16MnCrS5 Steel
16MnCrS5 Steel
16NiCr4 Steel
16NiCr4 Steel
16NiCr4 Steel
16NiCrMo16-5 Steel
16NiCrMo16-5 Steel
16NiCrMo16-5 Steel
16NiCrS4 Steel
16NiCrS4 Steel
16NiCrS4 Steel
16NiCrS4 Steel
17B2 Steel
17B2 Steel
17Cr3 Steel
17Cr3 Steel
17Cr3 Steel
17CrNi6-6 Steel
17CrNi6-6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrNiMo6 Steel
17CrS3 Steel
17CrS3 Steel
17MnB4 Steel
17MnB4 Steel
17MnCr5 Steel
17MnCr5 Steel
17MnCr5 Steel
17MnCr5 Steel
17NiCrMo6-4 Steel
17NiCrMo6-4 Steel
17NiCrMo6-4 Steel
17NiCrMo6-4 Steel
17NiCrMoS6-4 Steel
17NiCrMoS6-4 Steel
18CrMo4 Steel
18CrMo4 Steel
18CrMo8-5 Steel
18CrMoS4 Steel
18CrMoS4 Steel
18CrNi6 Steel
18CrNi8 Steel
18CrNi8 Steel
18CrNi8 Steel
18CrNi8 Steel
18CrNi8 Steel
18CrNi8 Steel
18CrNiMnMo7-5-5 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18CrNiMo7-6 Steel
18MnB4 Steel
18MnB4 Steel
18NiCr5-4 Steel
18NiCr5-4 Steel
18NiCrMo14-6 Steel
19MnB4 Steel
19MnCr5 Steel
19MnCr5 Steel
19MnCr5 Steel
20Cr3 Steel
20Cr3 Steel
20Cr4 Steel
20Cr4 Steel
20Cr4 Steel
20CrMo2 Steel
20CrMo4 Steel
20CrMo4 Steel
20CrMo5 Steel
20CrMoV13-5-5 Steel
20CrMoV13-5 Steel
20CrMoV13-5 Steel
20CrMoV13-5 Steel
20CrNiMoH Steel
20Mn5Cr5 Steel
20Mn6 Steel
20MnB4 Steel
20MnB4 Steel
20MnB4 Steel
20MnB5 Steel
20MnB5 Steel
20MnB5 Steel
20MnCr4-2 Steel
20MnCr4-2 Steel
20MnCr5, 20MnCrS5 Steels
20MnCr5, 20MnCrS5 Steels
20MnCr5 Steel
20MnCr5 Steel
20MnCr5 Steel
20MnCr5 Steel
20MnCr5 Steel
20MnCr5 Steel
20MnCr5 Steel
20MnCrMo4-2 Steel
20MnCrMo4-2 Steel
20MnCrS5 Steel
20MnCrS5 Steel
20MnCrS5 Steel
20MnV6 Steel
20MoCr3 Steel
20MoCr3 Steel
20MoCr4, 20MoCrS4 Steels
20MoCr4, 20MoCrS4 Steels
20MoCr4 Steel
20MoCr4 Steel
20MoCr4 Steel
20MoCr4 Steel
20MoCr4 Steel
20MoCrS3 Steel
20MoCrS3 Steel
20MoCrS4 Steel
20MoCrS4 Steel
20MoCrS4 Steel
20NiCr6 Steel
20NiCrMo13-4 Steel
20NiCrMo13-4 Steel
20NiCrMo14-6 Steel
20NiCrMo14-6 Steel
20NiCrMo2-2, 20NiCrMoS2-2 Steels
20NiCrMo2-2 Steel
20NiCrMo2-2 Steel
20NiCrMo2-2 Steel
20NiCrMo2-2 Steel
20NiCrMo2-2 Steel
20NiCrMo2 Steel
20NiCrMo2 Steel
20NiCrMo2 Steel
20NiCrMo2 Steel
20NiCrMo2 Steel
20NiCrMo3 Steel
20NiCrMo7 Steel
20NiCrMo7 Steel
20NiCrMo7 Steel
20NiCrMoS2-2 Steel
20NiCrMoS2-2 Steel
20NiCrMoS6-4 Steel
20NiCrMoS6-4 Steel
20NiMo9-7 Steel
20NiMoCr6-5 Steel
20NiMoCrS6-5 Steel
21CrMoV5-11 Steel
21CrMoV5-11 Steel
21CrMoV5-11 Steel
21CrMoV5-11 Steel
21CrNiMo2 Steel
21Mn6 Steel
21MnCr5 Steel
21NiCrMo2 Steel
21NiCrMo2 Steel
21NiCrMo2 Steel
21NiCrMo2 Steel
21NiCrMo2 Steel
21NiCrMo2 Steel
22CrMnNiMo5-4-3 Steel
22CrMo4-4 Steel
22CrMo4-4 Steel
22CrMoS3-5 Steel
22CrMoS3-5 Steel
22CrMoS3-5 Steel
22MnB4 Steel
22MnB4 Steel
22MnB5 Steel
22NiCrMo12-5 Steel
23B2 Steel
23B2 Steel
23CrMo5 Steel
23CrMoB3-3 Steel
23CrMoB4 Steel
23MnB4 Steel
23MnB4 Steel
23MnB4 Steel
23MnB4 Steel
23MnNiCrMo5-2 Steel
23MnNiCrMo5-3 Steel
23MnNiMoCr5-4 Steel
24CrMo5 Steel
24CrMo5 Steel
24CrMo5 Steel
24CrMo5 Steel
24CrMo5 Steel
24CrMoV5-5 Steel
24CrMoV5-5 Steel
24CrMoV5-5 Steel
24CrMoV5-5 Steel
24Ni8 Steel
24NiSiMnMo7-6-6 Steel
25CrMnSiMo7-4-4 Steel
> 25CrMo4, 25CrMoS4 Steels
25CrMo4, 25CrMoS4 Steels
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMo4 Steel
25CrMoS4 Steel
25MoCr4 Steel
25MoCr4 Steel
26CrMo4 Steel
26NiCr6-4 Steel
26NiCr6-4 Steel
26NiCrMo14-6 Steel
27MnB4 Steel
27MnB4 Steel
27MnB4 Steel
27MnCrB5-2 Steel
27MnCrB5-2 Steel
27MnCrB5-2 Steel
27MnCrB5-2 Steel
28B2 Steel
28B2 Steel
28Cr4 Steel
28Cr4 Steel
28CrS4 Steel
28CrS4 Steel
28Mn6, 38Cr2, 38CrS2, 46Cr2, 46CrS2, 34Cr4, 34CrS4, 37Cr4, 37CrS4, 41Cr4, 41CrS4, 25CrMo4, 25CrMoS4, 34CrMo4, 34CrMoS4 Steels
28Mn6 Steel
28Mn6 Steel
28Mn6 Steel
28Mn6 Steel
28MnB5 Steel
29MnCrB5-2 Steel
30CrMo4 Steel
30CrMo4 Steel
30CrMoV9 Steel
30CrMoV9 Steel
30CrMoV9 Steel
30CrMoV9 Steel
30CrMoV9 Steel
30CrMoV9 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30CrNiMo8 Steel
30Mn5 Steel
30Mn5 Steel
30Mn5 Steel
30Mn5 Steel
30Mn5 Steel
30MnB4 Steel
30MnB5 Steel
30MnB5 Steel
30MnB5 Steel
30MnB5 Steel
30MoB1 Steel
30MoB1 Steel
30NiCr-11 Steel
30NiCr11 Steel
30NiCrMo16-6 Steel
30NiCrMo16-6 Steel
30NiCrMo16-6 Steel
30NiCrMo16-6 Steel
30NiCrMo16-6 Steel
30NiCrMo2-2 Steel
30NiCrMo2-2 Steel
30NiCrMo2-2 Steel
30rNiMo8 Steel
31CrMo12 Steel
31CrMoB2-1 Steel
31CrMoB2-1 Steel
31CrMoV9 Steel
31CrMoV9 Steel
31CrMoV9 Steel
31CrMoV9 Steel
31CrNiMo8 Steel
32Cr2 Steel
32CrB4 Steel
32CrB4 Steel
32CrB4 Steel
32CrB4 Steel
32CrMo12 Steel
32CrMo12 Steel
32CrMoV12-10 Steel
32CrMoV12-10 Steel
32CrS2 Steel
32NiCrMo-14-5-X1* Steel
33B2 Steel
33B2 Steel
33MnCrB5-2 Steel
33MnCrB5-2 Steel
33MnCrB5-2 Steel
34Cr4, 34CrS4 Steels
34Cr4, 34CrS4 Steels
34Cr4, 34CrS4 Steels
34Cr4, 34CrS4 Steels
34Cr4 Steel
34Cr4 Steel
34Cr4 Steel
34Cr4 Steel
34Cr4 Steel
34CrAl6 Steel
34CrAl6 Steel
34CrAl6 Steel
34CrAlMo5 Steel
34CrAlMo5 Steel
34CrAlMo5 Steel
34CrAlNi7 Steel
34CrAlNi7 Steel
34CrAlNi7 Steel
34CrAlNi7 Steel
34CrAlNi7 Steel
34CrAlS5 Steel
34CrMo4 Steel
34CrMo4, 34CrMoS4 Steels
34CrMo4, 34CrMoS4 Steels
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMo4 Steel
34CrMoS4 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrNiMo6 Steel
34CrS4 Steel
34NiMo6 Steel
35CrMo4 Steel
35NiCr14-8 Steel
35NiCr14-8 Steel
35NiCr18 Steel
35NiCr18X1 Steel
35NiCr6 Steel
35NiCr6 Steel
35NiCr6 Steel
35NiCrMo16 Steel
35NiCrMoV12-5 Steel
36CrB4 Steel
36CrB4 Steel
36CrB4 Steel
36CrB4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo4 Steel
36CrNiMo6 Steel
36Mn5 Steel
36Mn5 Steel
36Mn5 Steel
36Mn5 Steel
36Mn6 Steel
36MnB4 Steel
36MnB4 Steel
36NiCr10 Steel
36NiCr6-4 Steel
36NiCr6 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
36NiCrMo16 Steel
37Cr4 appr. Steel
37Cr4, 37CrS4 Steels
37Cr4, 37CrS4 Steels
37Cr4 Steel
37Cr4 Steel
37Cr4 Steel
37Cr4 Steel
37Cr4 Steel
37CrMo4 Steel
37CrMo4 Steel
37CrS4 Steel
37MnB5 Steel
37MnB5 Steel
37MnSi5 Steel
37MnSi5 Steel
37MnSi5 Steel
37MnSi5 Steel
37MnSi5 Steel
37Mo2 Steel
38B2 Steel
38B2 Steel
38Cr2, 46Cr2, 34Cr4, 34CrS4, 37Cr4, 37CrS4, 41Cr4, 41CrS4, 25CrMo4, 25CrMoS4, 34CrMo4, 34CrMoS4, 42CrMo4, 42CrMoS4, 50CrMo4, 34CrNiMo6, 30CrNiMo8, 35NiCr6, 36NiCrMo16, 39NiCrMo3 Steels
38Cr2 Steel
38Cr2 Steel
38Cr2 Steel
38Cr2 Steel
38Cr4 Steel
38Cr4 Steel
38CrS2 Steel
38Mn6 Steel
38Mn6 Steel
38MnB5 Steel
38MnB5 Steel
38MnB5 Steel
38MnSiV5 Steel
38NiCrMoV7-3 Steel
38Si7 Steel
38Si7 Steel
38Si7 Steel
39MnCrB6-2 Steel
39MnCrB6-2 Steel
39MnCrB6-2 Steel
39NiCrMo3 Steel
39NiCrMo3 Steel
39NiCrMo3 Steel
40 NiCrMo 18 6 Steels
40Mn4 Steel
40Mn4 Steel
40Mn4 Steel
40Mn4 Steel
40Mn4 Steel
40NiCrMo18-6 Steel
40NiCrMo2-2 Steel
40NiCrMo2-2 Steel
40NiCrMo2-2 Steel
~40NiCrMo6 Steel
40NiCrMo8-4 Steel
40NiCrMo8-4 Steel
40NiCrMo8 Steel
40NiCrMo8 Steel
41Cr4, 41CrS4 Steels
41Cr4, 41CrS4 Steels
41Cr4, Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41Cr4 Steel
41CrAlMo7 Steel
41CrAlMo7 Steel
41CrAlMo7 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrMo4 Steel
41CrS4 Steel
41NiCrMo7-3-2 Steels
41NiCrMo7-3-2 Steels
41NiCrMo7-3-2 Steels
41SiNiCrMoV7-6 Steel
42Cr4 Steel
42Cr4 Steel
42Cr4 Steel
42CrMo4, 42CrMoS4 Steels
42CrMo4, 42CrMoS4 Steels
42CrMo4, 42CrMoS4 Steels
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMo4 Steel
42CrMoS4 Steel
42CrMoS4 Steel
42CrMoV6-6 Steel
42CrV6 Steel
42MnV7 Steel
42MnV7 Steel
43CrMo4 Steel
43CrMo4 Steel
43CrMo4 Steel
43MnB5-3 Steel
44Cr2 Steel
44MnSiVS6 Steel
45Cr2 Steel
45Cr2 Steel
45CrMoV67 Steel
45CrVMoW58 Steel
45SiCrV6-2 Steel
45SiCrV6-2 Steel
46Cr2, 46CrS2 Steels
46Cr2 Steel
46Cr2 Steel
46Cr2 Steel
46Cr2 Steel
46CrS2 Steel
46Si7 Steel
46Si7 Steel
46Si7 Steel
46SiCrMo6 Steel
46SiCrMo6 Steel
48CrMo4 Steel
48CrMoNi4-10 Steel
49CrMo4 Steel
49CrMo4 Steel
49CrMo4 Steel
49CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrMo4 Steel
50CrV4, 30CrMoV9, 50CrMo4, 42MnV7, 37MnSi5, Ck45 Steels
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50CrV4 Steel
50Mn7 Steel
50MnV7 Steel
50SiCrMo6 Steel
50SiCrMo6 Steel
51CrV4 Steel
51CrV4 Steel
51CrV4 Steel
51CrV4 Steel
51CrV4 Steel
51CrV4 Steel
51CrV4 Steel
51MnV7 Steel
51Si7 Steel
52CrMoV4 Steel
52CrMoV4 Steel
52SiCrNi5 Steel
52SiCrNi5 Steel
53MnSi4-X-1 Steel
53MnSi4-X-1 Steel
53MnSi4 Steel
53MnSi4 Steel
54SiCr6 Steel
54SiCr6 Steel
54SiCrV6 Steel
54SiCrV6 Steel
55Cr3 Steel
55Cr3 Steel
55Cr3 Steel
55Si7 Steel
55Si7 Steel
55Si7 Steel
55SiCr6-3 Steel
56Si7 Steel
56Si7 Steel
56Si7 Steel
56SiCr7 Steel
56SiCr7 Steel
58CrMo4 Steel
58CrV4 Steel
58CrV4 Steel
58CrV4 Steel
58CrV4 Steel
58CrV4 Steel
58CrV4 Steel
15Cr3 Steel
60Cr3 Steel
60Cr3 Steel
60CrMo3-1 Steel
60CrMo3-2 Steel
60CrMo3-2 Steel
60CrMo3-3 Steel
60SiCr7 Steel
60SiCr7 Steel
60SiCr7 Steel
60SiCrV7 Steel
60SiCrV7 Steel
61SiCr7 Steel
61SiCr7 Steel
65Si7 Steel
65Si7 Steel
66SiMnCrMo6-6-4 Steel
67SiCr5 Steel
67SiCr5 Steel
67SiCr5 Steel
71Si7 Steel
79Ni1 Steel
83Ni1 Steel
8CrMnMo15-4 Steel
90MnCrV8 Steel
94CrMo5-2 Steel
C15E, C15R Steel
C20E2C Steel
C22 Steel
C22E Steel
C22R Steel
C30 Steel
C30E Steel
C30R Steel
C35 Steel
C35 Steel
C35E, C35R, C40E, C40R, C45E, C45R, C50E, C50R, C55E, C55R, C60E, C60R Steels
C35E, C35R, Cf35 Steels
C35E Steel
C35E Steel
C35EC Steel
C35EC Steel
C35G Steel
C35R Steel
C35RC Steel
C35RC Steel
C38D2 Steel
C40 Steel
C40 Steel
C40E Steel
C40E Steel
C40R Steel
C45 Steel
C45 Steel
C45E, C45R, Cf45 Steels
C45E Steel
C45E Steel
C45EC Steel
C45G Steel
C45R Steel
C45RC Steel
C45RC Steel
C45U Steel
C50 Steel
C50E Steel
C50E Steel
C50R Steel
C53G Steel
C55 Steel
C55 Steel
C55E, C55R Steels
C55E Steel
C55E Steel
C55R Steel
C55S Steel
C56E2 Steel
C60 Steel
C60 Steel
C60E, C60R Steels
C60E Steel
C60E Steel
C60E Steel
C60R Steel
C60S Steel
C67 Steel
C67 Steel
C70G Steel
C70G Steel
Cf35 Steel
Cf35 Steel
Cf35 Steel
Cf35 Steel
Cf45 Steel
Cf45 Steel
Cf45 Steel
Cf53 Steel
Cf53 Steel
Cf53 Steel
Cf70 Steel
Cf70 Steel
Cf70 Steel
Ck15, Cm15 Steels
Ck15 Steel
Ck15 Steel
Ck15 Steel
Ck15 Steel
Ck15 Steel
Ck22, Cm22 Steels
Ck22.8 Steel
Ck22.8 Steel
Ck30, Cm30 Steels
Ck35, Cm35 Steels
Ck35 Steel
Ck35 Steel
Ck35 Steel
Ck35 Steel
Ck35 Steel
Ck40, Cm40 Steel
Ck40 Steel
Ck45, 37MnSi5, 42MnV7, 50CrMo4, 30CrMoV9, 50CrV4 Steels
Ck45, Cm45 Steel
Ck45 Steel
Ck45 Steel
Ck45 Steel
Ck45 Steel
Ck50, Cm50 Steel
Ck50 Steel
Ck53 Steel
Ck55, Cm55 Steel
Ck55 Steel
Ck55 Steel
Ck55 Steel
Ck55 Steel
Ck55 Steel
Ck60, Cm60 Steels
Ck60 Steel
Ck60 Steel
Ck60 Steel
Ck60 Steel
Ck60 Steel
Ck75 Steel
Ck75 Steel
Ck85 Steel
Ck85 Steel
Ck85 Steel
Cm35 Steel
Cm45 Steel
Cm55 Steel
Cm60 Steel
Cq35 Steel
Cq45 Steel
DIN Steels
G28Mn6 Steel
MK 101 Steel
WL 1.5924 Steel
WL 1.5934 Steel
WL 1.6604 Steel
WL 1.7214 Steel
X12NiCrSi35-16 Steel
X155CrVMo12-1 Steel
X15CrNiSi25-21 Steel