National / International
Equivalent Steel
Specifications
BS970 / BS3111
EUROPEAN NORMS
BS970 latest edition
37Mo2
38Cr2
46Cr2
17Cr3
34Cr4
37Cr4
41Cr4 (41CrS4)
25CrMo4 (25CrMoS4)
34CrMo4
37CrMo4
42CrMo4 (42CrMoS4)
51CrV4
34CrS4
52SiCrNi5
60SiCr8
34CrNiMo6
30CrNiMo8
BS970:1955
BS3111
SAE/AISI
TYPE 2/1
530A40
En18D
4037
(5140)
(5145)
1515, 1520
5135
TYPE 3/1
TYPE 3/2
(5140)
708A25 + S range
708M40 + S range
50CrV4 (735A50)
(530A32/530A36)
En19A + S
En47
(En18B/En18C)
685 A55
En48A
(817M40)
(En24)
4135
4137
4140
6150
(5132, 5135)
TYPE 5/1
TYPE 5/2
9254
17B2 (18B2)
23B2
38B2
TYPE 9/0
(TYPE 9/1)
TYPE 10/1
17MnB4 (18MnB4)
20MnB5 (20MnB4)
36MnB4
16MnCr5 (16MnCrS5)
TYPE 9/3
TYPE 9/3
TYPE 10/2
1522
11SMn30 (11SMnPb30)
11SMn37 (11SMnPb37)
15SMn13
230M07 (230M07L)
240M07 (240M07L)
210M15
En1A (En1A + Pb)
En1B (En1B + Pb)
En32M
1214
1117
35S20 (35Pb20)
36SMn14 (36SMnPb14)
38SMn28 (38SMnPb28)
44SMn28 (44SMnPb28)
46S20 (46SPb20)
212M36 (212M36L)
212M36 (212M36L)
225M36 (225M36L)
226M44 (226M44L)
216M44 (216M44L)
En8M (En8M + Pb)
En8M (En8M + Pb)
1139 (11L39)
1137 (11L37)
16NiCrS4
15NiCr13
20NiCrMoS2-2
17NiCrMoS6-4
41NiCrMo7-3-2
637M17
655M13
805M20
815M17
En352
En36A
En362
En353
C10
C10E2C
C10R
C15 (C15C)
C15R
C16 (C16R)
C20C (C20E2C)
C35
C35E
C35EC (C35RC)
C35R
C40 (C40E)
C40R
C45
C45E (C45EC & RC)
C45R
C50
C50E (C50R)
C60
040A10
En2A,En2A/1,En2B
040A10 + S range
(040A15)
(040A15 + S range)
040A15 + S range
En2A,En2A/1,En2B + S
080A35
(080M36)
En8A
1144
1146 (11L46)
8620
4340
1010
1010
1010
1015
1015
1016
1020
1035
1035
1034
1035
1040
1040
1045
1045
1045
1050
1050
1060
TYPE 0/3
TYPE 0/3
TYPE 0/4
TYPE 1/2
(080M36 + S range)
060A40 (080M40)
(080M40 + S range)
060A45 (080M46)
(En8)
(En8 + S)
TYPE 1/3
(080M46 + S range)
080M50
080M50 + S range
(070M55)
En43A
En43A + S
(En9)
Equivalent specifications may not be identical to the European grade (or even to each other) but are the nearest
Details of “HYKUT” range and Aerospace Steels available on application.
The above chart lists the standard grades which are in addition to the bespoke customer specific grades
produced by the company.
Please ask the Sales Team for offers for any grades not listed.
The company has many specific customer
approvals in addition to the third party
accreditations listed below.
ISO/TS 16949
TS 00080
ISO 14001
EMS 52411
BS EN 9100
FM 96156