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Grade Summary and Comparable Standards Guide

Here at Aerocom Metals, we are one of the largest steel stockholders in the UK and have a huge variety of metals. From precipitation-hardened high-strength aluminium alloys such as the Aluminium 6061 alloy to all-purpose Chromoly (Chromium Molybdenum based) steel such as Alloy Steel 4130.

From motorsport to aerospace, we treat our metals to the highest of standards for all engineering purposes. Visit our Metal’s Grade Summary and Comparable Standards Guide to find out more about the improved and treated steels available here at Aerocom.

British Standards

British Standards offers a wide range of standards relevant to metals including steel. They range from guidelines on testing to technical delivery conditions. Metal standards serve to promote understanding and communication between metal producers and users, including processors, fabricators and distributive traders, and thereby facilitate trading products of the metal industry.
Bristish Aerospace
Standards
Commerical
Standards
US Aerospace/
Military
US Commercial
AISI
EuropeanUNS
BS 7S1
MSRR 6049
Steel Non-Corrosion Resistant
MIL-S-16974 E 1040AISI 1030
AISI 1035
AISI 1038
BS 4 S14
MSRR 6064
Steel, Non-corrosion resistant
045M10
060A15
080A15
080M15
EN32A/ EN32C
MIL-S-16974E-1 1015
MIL-S-16974E-2
AISI 1012
AISI 1016
AFNOR CC10
AFNOR CC12
WS 1.1144
WS 1.0301
WS 1.0401
BS 5S15
MSRR 6004
Steel, Non-corrosion resistant
EN33WS 1.5637
BS 5S21
Steel, Non-corrosion resistant
060A15
080A15
080M15 (EN 32C)
EN3 / EN3D
AMS 5070AISI 1022
SIS 1450
AFNOR XC18SN
BS 4S28
Steel, Non-corrosion resistant
835M30
EN30B
AFNOR 30NCD16
AFNOR 35NCD16
WS 1.2766
NiCrMo16
BS 3S61
Steel, Corrosion resistant
403S17
410S21 (EN56A)
EN58
AMS 5613
MIL-L-24128
MIL-L-862B 403
MIL-S-862B 410
AISI 410
SAE 51410
AFNOR Z12C13
WS 1.4006
BS 3S62
MSRR 6602
Steel, Corrosion resistant
420S37 (EN56C)
420S62 (EN56B)
MIL-S-862B 420AISI 420
SAE 51420
AFNOR Z20C13
WS 1.4014
WS 1.4021
BS 7S80
MSRR 6573
Steel, Corrosion resistant
431
431S29
EN 57
AMS 5628
MIL-S-86213 431
MIL-S-8967 (ASG)
MIL-S-187320
AISI 431
SAE 51431
Z15CN17-03
BACM 85
WS 1.4044
WS 1.4057
X22CrNi17
X16CrNi16
BS 5S82
MSRR 6009
MSRR 6055
Steel, Non-corrosion resistant
835A15 / 835M15 / 835H15
EN39 / EN39B
AMS 6264AFNOR 16NCD17
WS 1.6723
BS 2S92
Steel, Non-corrosion resistant
150M19
EN14A
AISI 1024 / SAE 1024
AISI 1027 / SAE 1027
WS 1.5065
BS 2S93
MSRR 6075
Steel, Non-corrosion resistant
060A37
080M36
080S37 (EN8B)
080M40
2S113
AMS 5080E
MIL-S-16974E 1040-1
MIL-S-16974E 1040-2
AISI 1035 / SAE 1035
AISI 1038 / SAE 1038
AISI 1040 / SAE 1040
AFNOR CC45
WS 1.0503
BS 2S97
MSRR 6084
Steel, Non-corrosion resistant
826M31
EN25

30NiCrMo12
BS 2S98
Steel, Non-corrosion resistant
824M40
EN26
WS 1.6745
BS S99
Steel, Non-corrosion resistant
826M40
EN26
S99WS 1.6745
40NiMoCr10-5
BS 4S106
MSRR 6001
Steel, Non-corrosion resistant
722M24
EN40B
S98
WS 1.7365
BS 2S120
Steel, Non-corrosion resistant
826M31
EN25
BS S124
Steel, Corrosion resistant
BS S126
Steel, Corrosion resistant
BS 2S129
Steel, Corrosion resistant
321
321S20
321S12
EN58B / EN58C
AMS 5645
MIL-S-862B 321
MIL-S-27419 321
AISI 321 / SAE 30321AFNOR Z10CNT18-11
AFNOR Z6CNT18-11
WS 1.4541
X10CrNiTi18-9
BS 2S130
MSRR 6522
Steel, Corrosion resistant
347S17
EN58F / EN58G
347
AMS 5646
MIL-S-862B 347
MIL-S-27419 347
AISI 347 / SAE 303047AFNOR Z26CrNb18-11
AFNOR Z6CNNb18-11
WS 1.4550
XCrNiNb18-9
BS 3S132
Steel, suitable for nitriding
BS S134
Steel, suitable for nitriding
BS 2S135
MSRR 6040
Steel, Non-corrosion resistant
BS 2S140
MSRR 6017
Steel, Non-corrosion resistant
817M40
EN24

30NiCrMo12
BS S141410S21
EN56A
410
AMS 5613
MIL-S-862B 403
MIL-L-24128
AISI 410 / SAE 51410AFNOR Z10C13
AFNOR Z12C13
WS 1.4006
X10Cr13
BS S142
Steel, Non-corrosion resistant
AFNOR 25CD4
WS 1.7218
25CrMo4
BS 2S143
MSRR 6537
Steel, Corrosion resistant
FV520B
DEF STAN 95-14
BS 2S144
Steel, Corrosion resistant
FV520B
DEF STAN 95-14
BS 3S145
Steel, Corrosion resistant
FV520B
DEF STAN 95-14
BS S150
Steel, Corrosion resistant
BS S151
Steel, Corrosion resistant
Aerospace Stainless Steel
MSRR 6503
Jethete M152
AMS 5719
WS 1.4933
WS 1.4938
WS 1.4939
Z12CNDV12
AECMA FE-RM37
X11CrNiMo12
UNS S64152
BS S154
BS 2S96
MSRR 6043
Steel, Non-corrosion resistant
826M31
EN25
30NiCrMo12
BS S155
Steel, Non-corrosion resistant
300MAMS 6257SAE E4340M
AISI 300M
BS S157
MSRR 6061
Steel, Non-corrosion resistant
832M13 / 832H13
EN36A / EN36C
AFNOR 16NCD16
AFNOR 16NCD13
WS 1.6657
14NiCrMo13-4
BS S159
Aerospace Stainless Steel

Jethete M152

AMS 5719
WS 1.4933
WS 1.4938
WS 1.4939
Z12CNDV12
AECMA FE-PM37
X11CrNiMo12
UNS S64152
BS S162
DTD 5212
MSRR 6551
Maraging Steel
Maraging 250AMS 6512MIL-S-1.6359
MIL-S-46850
WS 1.6359
MAT 102
MIA 101
BS S510
MSRR 6057
Steel, Non-corrosion resistant
060A20
070M20
EN3A / EN3C

AISI 1020 / SAE 1020
AFNOR XC18
WS 1.0619
BS S511
MSRR 6058
EN2A
BS S514
BS S515
Steel, Non-corrosion resistant
EN14A / EN14B
150M19
BS S516
Steel, Non-corrosion resistant

WS 1.0912
BS S518
Steel, Non-corrosion resistant
BS S524 (Ti stabilised)
MSRR 6565
Steel, Corrosion resistant
321
AMS 5689

SAE 30321
BS S526 (Ti stabilised)
MSRR 6561
Steel, Corrosion resistant
321S31
321

AMS 5689
SAE 30321
BS S527 (Nb stabilised)
MSRR 6523
Steel, Corrosion resistant
347S17
347
AMS 5512
WS 1.4546
BS S534
Steel, Non-corrosion resistant

4130

AMS 6350

AISI 4130
WS 1.7214
25CD45
BS S535
Steel, Non-corrosion resistant
4130
AMS 6350

AISI 4130
WS 1.7214
25CD45
BS T45
Carbon Steel tube
BS T60
Alloy Steel tube
BS T64
Carbon Steel tube
BS T66
Stainless steel tube
347Z10CNNb18-11
BS T67
Stainless steel tube
321WS 1.4541
Z10CNNb18-11
BS T68
Stainless steel tube
BS T72
Stainless steel tube
347
DTD 5082
Steel, Non-corrosion resistant
AFNOR 25C04
WS 1.7218
FORTIWELD
MSRR 6078

300 Series

The 300 series consist of austenitic chromium-nickel alloys. Austenitic contains a maximum of 0.15% carbon and a minimum of 16% chromium, and nickel is the important alloying element. This creates superior corrosion resistance and ease of fabrication. The 300 series is used in applications that require corrosion resistance whereas the 400 series is applied in applications that require high wear and tear resistance. However, the 300 series is most used because most of the applications consider corrosion resistance over the wear and tear capacities.
GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
301 AnnealedAMS 5901 Annealed sheet /strip
AMS 5902 3/4 Hard Sheet / Strip
MIL-S-5059
ASTM A240 / ASME SA240
ASTM A666 / ASME SA666
BS 970; 301S21WS 1.4324
AFNOR Z21CN17-08
UNS S30100
301 1/4 HardAMS 5517 1/4 Hard Sheet /Strip
MIL-S-5059
ASTM A240 / ASME SA240
ASTM A666 / ASME SA666
BS 970; 301S21WS 1.4324
AFNOR Z21CN17-08
UNS S30100
301 1/2 HardAMS 5518 1/2 Hard Sheet / Strip
MIL-S-5059
ASTM A240 / ASME SA240
ASTM A666 / ASME SA666
BS 970; 301S21WS 1.4324
AFNOR Z21CN17-08
UNS S30100
301 Full HardAMS 5519 Full Hard Sheet / Strip
MIL-S-5059
ASTM A240 / ASME SA240
ASTM A666 / ASME SA666
BS 970; 301S21WS 1.4324
AFNOR Z21CN17-08
UNS S30100
302AMS 5500 Laminated sheet
AMS 5515 Sheet / strip Hi Ductility
AMS 5516 Sheet / strip / plate
AMS 5600 Laminated sheet
AMS 5636 Bar Cold Drawn 100ksi
AMS 5637 Bar Cold Drawn 125ksi
MIL-S-5059
MIL-S-22499
ASTM A240 / ASME SA240
AISI 302
BS 970; 302S25 / 302S17
EN58A / EN58E
WS 1.4300
WS 1.4301
WS 1.4841
AFNOR Z10CN18-09
AFNOR Z6CN18-09
UNS S30302
303
303Se
303Sulf
AMS 5635 303Pb Bar / forging
AMS 5638 Bar / wire / forging
AMS 5640 Type 1 303Sulf Bar
AMS 5640 Type 2 303Se Bar
AMS 5641 303Se Free machine Bar
ASM 5738 Free mach, High yield str
MIL-S-7720
MIL-W-52263
QQ-S-763
QQ-S-764
ASTM A320 Grade B8F Cl1
ASTM A320 Grade B8F Cl2
ASTM A484 / ASME SA484
ASTM A582 /ASME SA582
AISI 303
BS 970; 303S21
BS 970; 303S41
EN58AM
WS 1.4305
X8CrNiS18-9
AFNOR Z10CNF18-09
304
304L
304LVM (Vac Melt)

304 Tube
AMS 5501 Sheet / strip 125ksi
AMS 5511 Sheet /strip (ann)
AMS 5513 Sheet / strip (ann)
AMS 5560 Seamless tube
AMS 5563 1/4Hd seamless/welded
AMS 5564 1/8Hd seamless/welded
AMS 5565 Welded tube
AMS 5566 Seamless/welded tube
AMS 5567 Seamless/welded tube
AMS 5569 Seamless/ welded tube
AMS 5575 Welded tube
AMS 5639 Bar / Forgings (304)
AMS 5647 Bar/Forgings (304L)
MIL-T-8506 Seamless /welded tube
MIL-T-5695 Seamless / welded tube
MIL-T-6845 Seamless / welded
MIL-T-8504 Seamless/welded tube
MIL-T-6737 Welded tube
QQ-S-763
ASTM A276 / ASME SA276
ASTM A479 / ASME SA479
ASTM A484 / ASME SA484
BS 970; 304S31 / 304S12WS 1.4306
AFNOR Z2CN18-10
UNS S30400
UNS S30403
309AMS 5523 Sheet / strip / plate
AMS 5574 Seamless tube
AMS 5650 Bar / tube / forgings
AMS QQ-A-793
ASTM A276 / ASME SA276
ASTM A479 / ASME SA479
ASTM A484 / ASME SA484
ASTM A314 / ASME SA314
ASTM A580 / ASME SA580
BS 970; 309S24WS 1.4828
AFNOR Z15CN24-13
UNS 30900 (309)
UNS 30908 (309S)
310
310S
310S Tube
AMS 5521 Sheet / strip / plate
AMS 5572 Seamless tube
AMS 5577 Welded tube
AMS 5651 Bar / wire / forging
QQ-S-763
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A276 / ASME SA276
ASTM A479 / ASME SA479
ASTM A484 / ASME SA484
ASTM A176 / ASME SA176
BS 970; 310S24WS 1.4842
WS 1.4845
AFNOR Z12CN25-20
UNS S31000 (310)
UNS S31008 (310S)
316
316L
316LVM (Vac Melt)
316Ti
316 Tube
AMS 5507 Sheet / strip/ plate (316L)
AMS 5524 Sheet / strip / plate (316)
AMS 5573 Seamless tube
AMS 5584 Seamless/welded tube
AMS 5648 Bar / wire / forging (316)
AMS 5649 Bar / wire / forging (FM)
AMS 5653 Bar / wire / forging (316L)
QQ-S-763
AMS-S-7720
MIL-S-5059
MIL-S-7720
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A666
ASTM A276 / ASME SA276
ASTM A479 / ASME A479
ASTM A484 / ASME SA484
ASTM F138
ASTM A320 Grd B8M
ASTM A193 Grd B8M Cl1
BS 970; 316S31 / 316S12
EN 58J
WS 1.4401
WS 1.4404
WS 1.4427
WS 1.4435
WS 1.4441
WS 1.4571
AFNOR Z6CND17-11
AFNOR Z2CND17-12
UNS S31600
UNS S31603
317
317L
QQ-S-763ASTM A240 / ASME SA240
ASTM A249 / ASME SA249
ASTM A312 / ASME SA312
ASTM A409 / ASME A409
ASTM A276 / ASME SA276
ASTM A478 / ASME A478
ASTM A479 / ASME A479
ASTM A314 / ASME SA314
ASTM A473 / ASME SA473
ASTM A182 / ASME A182
ASTM A403 / ASME SA403
BS 970; 317S16 / 317S12
WS 1.4438
AFNOR Z8CND19-15
UNS S31700 (317)
UNS S31703 (317L)
321
321 Tube
AMS 5510 Sheet / strip / plate
AMS 5557 Welded/seamless tube
AMS 5559 Welded / thin wall tube
AMS 5570 Seamless tube
AMS 5576 Welded tube
AMS 5645 Bars / wire / forging
MIL-S-6721
MIL-T-8606 Seamless tube
MIL-T-8606 Welded tube
MIL-T-8808 Seamless tube
MIL-T-8808 Welded tube
QQ-S-766
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A193 Grade B8T CL1
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A320 Grade B8T
ASTM A479 / ASME A479
ASTM A484 / ASME SA484
AISI 321
BS 2S129
BS T67 Tube
BS S524 Sheet
BS S526 Sheet
BS 970; 321S31
EN58B
WS 1.4541
Z10CnNb18-11
UNS S32100
330
RA330
AMS 5592 Sheet / strip/ plate
AMS 5716 Bars / wire / forging
ASTM B511 / ASME SB511
ASTM B512 / ASME SB512
ASTM B535 / ASME SB535
ASTM B536 / ASME SB536
ASTM B710 / ASME SB710
ASTM B739 / ASME SB739

WS 1.4886

UNS N08330
347
347H
347 Tube
AMS 5512 Sheet / strip / plate
AMS 5556 Seamless/ welded tube
AMS 5558 Welded /thin wall tube
AMS 5571 Seamless tube
AMS 5575 Welded tube
AMS 5646 Bars / wire / forging
AMS 5654 Bars (aircraft quality)
AMS 5674 Wire
AMS 5680 Wire
QQ-S-763
MIL-T-6737
MIL-T-8606 Seamless tube
MIL-T-8606 Welded tube
MIL-T-8808 Seamless tube
MIL-T-8808 Welded tube
MIL-S-6721
ASTM A240 / ASME SA240
ASTM A167 / ASME SA167
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A479 / ASME A479
BS 2S130
BS 2T66 Tube
BS T72 Tube
BS S527 Sheet
BS 970; 347S17
EN58F / EN58G
MSRR 6522
MSRR 6524
WS 1.4544
WS 1.4546
WS 1.4550
WS 1.5446*
AFNOR Z6CNNb18-11
UNS S30347

400 Series

The 400-series is a group of stainless steels that contain 11-27% chromium, up to about 1% carbon, and 2.5% nickel maximum. The grades of stainless steel castings respond to heat treatment and can be supplied with a predominantly martensitic microstructure in a wide range of strength and hardness. The 300 and 400 series have comparable tensile strength and yield strength. 300 Series grades are highly ductile. On the contrary, the 400 series grade has higher carbon content and tends to have more hardness than the 300 series. Overall the grade 400 series metals are stronger.
GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
410
410Mod
AMS 5504 Sheet / strip / plate
AMS 5505 Sheet / strip / plate (Mod)
AMS 5591 Seamless tube
AMS 5609 Bars / wire
AMS 5611 Bars / wire / forging
AMS 5612 Bars / wire / forging
AMS 5613 Bars / wire / forging
AMS 5614 Bars / wire / forging
QQ-S-763
QQ-S-766
ASTM A176 / ASME SA176
ASTM A240 / ASME SA240
ASTM A276 / ASME SA276
ASTM A479 / ASME A479
ASTM A493 / ASME SA493
ASTM A580 / ASME SA580
ASTM F899
UNS S41000
416
416Se
AMS 5610 T2 Bar (free machining)
QQ-S-763
QQ-S-764
MIL-W-52263
ASTM A484 / ASME SA484
ASTM A582 /ASME SA582
AISI 416
BS 970; 416S29 / 416S37 / 416S41
BS 970; 416S21
EN56AM/ EN56BM / EN56CM
WS 1.4005
AFNOR Z12CF13
UNS S41600
EMS 537
420AMS 5506 Sheet / strip / plate
AMS 5620 Bars / forging (free mach)
AMS 5621 Bars / wire / forgings
QQ-S-763
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A484 / ASME SA484
ASTM A580 / ASME SA580
BS 970; 420S37 / 420S29 / 420S45
EN56B / EN56C / EN56D
WS 1.3541
WS 1.4024
WS 1.4028
AFNOR Z20C13
UNS S42000
420FAMS 5620 Bars (free machining)
QQ-S-764
ASTM A582 /ASME SA582
ASTM A484 / ASME SA484
UNS 42020
422AMS 5655 Bars / wire/ forging H&T
MIL-S-861
ASTM A565 Grade 616
AISI 616
BS 970; 442S19
EN61
UNS S42200
430
430F
430FR
AMS 5627 Bars / wire / forgings
AMS 5503 Sheet / strip / plate
QQ-S-763
QQ-S-764
QQ-S-766
MIL-W-52263
ASTM A276 / ASME SA276
ASTM A479 / ASME A479
ASTM A484 / ASME SA484
BS 970; 430S17 / 430S15
EN60
WS 1.4016
WS 1.4104
AFNOR Z8C17
AFNOR Z10CF17 (430F)
UNS S43000
431
S80
AMS 5628 Bars / wire / forgings
AMS-S-18732
MIL-S-18732
QQ-S-763
STM A276 / ASME SA276
ASTM A478 / ASME A478
ASTM A314 / ASME SA314
ASTM A484 / ASME SA484
ASTM A580 / ASME SA580
BS 7S80
BS 970; 431S29
EN57
UNS S43100
DMS-1565
440AAMS 5631 Bars / wire / forgings
AMS 5632 440F Bars / forging
QQ-S-763
ASTM A276 / ASME SA276
ASTM A473 / ASME SA473
ASTM A314 / ASME SA314
ASTM A484 / ASME SA484
ASTM A580 / ASME SA580
UNS S44002
440BAISI 440BWS 1.4112
X90CrMoV18
UNS S44003
440C
440C Vac Melt
AMS 5618 Bars / wire / forging (VM)
AMS 5630 Bars / wire / forging
AMS 5880 Bars / wire (bearing apps)
QQ-S-763
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A473 / ASME SA473
ASTM A484 / ASME SA484
ASTM A493 / ASME SA493
ASTM A756 / ASME SA756
ASTM A580 / ASME SA580
AISI 440C
WS 1.4125
AFNOR Z100CD17
X105CrMo17
UNS S44004
RBO 160-064
446QQ-S-763ASTM A276 / ASME SA276
ASTM 446-1
AISI 446
WS 1.4749
DIN X18CrN28
SS 2322
UNS S44600
455
Custom 455
AMS 5578 Welded tube
AMS 5617 Gr 1 Bar
AMS 5617 Gr 2 Bar
AMS 5860 Sheet / strip / plate
MIL-S-83311
ASTM A564 / ASME SB564
ASTM A693 Grade XM16
HMS 6 1093 Rev G
UNS 45500
465
Custom 465
AMS 5936 Bar / wire / forgingASTM A693
ASTM A564
ASTM F899
MMPDS-01
UNS S46500

PH Grades

Stainless steel is an example of a common alloy used in the fabrication of many products. To further strengthen the stainless steel, they are subjected to heat treatments which result in the precipitation hardening stainless steel material. One of the most used types of PH stainless steel is 17-4 PH stainless steel. PH stainless steels (precipitation-hardening) contain around 17% chromium and 4% nickel. These steels can develop very high strength through additions of aluminium, titanium, niobium, vanadium, and/or nitrogen, which form coherent intermetallic precipitates during a heat treatment process referred to as heat ageing.
GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
13-8MoAMS 5629 Type 1 Vac Melt
AMS 5864
ASTM A 564 Grade XM13
ASME SA564 Grade XM13
ASTM A693 / ASME SA693
ASTM A705 / ASME SA705
UNS S13800
DMS 2100
HMS 5 1105
15-5PhAMS 5659 Bars / Forgings
AMS 5826 Welding wire
AMS 5862 sheet / strip / plate
AMS-H-6875
ASTM A484 / ASME SA484
ASTM A564 Grade XM12
WS 1.4545UNS S15500
BAC-5619
15-7MoAMS 5520 Sheet / strip / plate
AMS 5657 Bars / forgings
ASTM A693 Grade 632
ASTM A564

UNS S15700
17-4PhAMS 5604 Sheet / Strip / Plate
AMS 5622 (Vac Melt) Bar
AMS 5642 Bar
AMS 5643 Bar
MIL-S-25043
17-4 Tube
ASTM A564 Grade 630
ASTM A484 / ASME SA484
ASTM A564 / ASME SA564
ASTM A693 / ASME SA693
WS 1.4542
X5CrNiCuNb16-4
AFNOR Z6CNU1704
UNS S17400
17-7PhAMS 5528 Sheet / Strip / Plate
AMS 5529 Sheet/ Strip- Cond C
AMS 5568 Welded Tubing
AMS 5644 Bars / Forgings
AMS 5678 Wire
AMS 5824 Welding wire
MIL-S-25043
ASTM A313 / ASME SA313
ASTM A564 / ASME SA564
ASTM A579 / ASME SA579
ASTM A693 / ASME SA693
ASTM A705 / ASME SA705
BS S528
BS S529
UNS S17700

Special Steels

Speciality steels – also referred to as alloy steel – contain additional alloyed materials that deliver special properties to the final product. Speciality steels are engineered to provide superior performance under specific conditions.
GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
Jethete M152
AMS 5719 Bars / wire
BS S151
BS S159
BS S538
MSRR 6503
MSRR 6504
WS 1.4933
WS 1.4938
WS 1.4939
Z15CNDV-12
AECMA FE-PM37
UNS S64152
AM 350AMS 5546 Sheet /strip (cold rolled)
AMS 5548 Sheet / strip (annealed)
AM 355AMS 5547 Sheet / Strip
AMS 5549 Plate
AMS 5743 Bars / Forgings
AMS 5744 Bars / Forgings
MIL-S-8840
ASTM A484 / ASME SA484
ASTM A564 Type 634
ASTM A579
ASTM A705
AISI 634
UNS S35500
Greek AscoloyAMS 5616 Bar / Forgings / Wire
AMS 5508 Sheet / Strip / Plate
AISI 615
AISI 418
UNS S41800
A286AMS 5525 Sheet / Stirp / Plate
AMS 5723 (cancelled)
AMS 5726 Bar Work Str 200ksi min
AMS 5731 Bar 1800°F Sol Trtd
AMS 5732 Bar 1800°F Sol Trtd /Aged
AMS 5734 Bar 1650°F Sol Trtd
AMS 5737 Bar 1650°F Sol Trtd /Aged
AMS 5853 Bar Cold Red 160ksi min
AMS 5858 Sheet / Strip (welding gr)
AMS 5895 Bar
ASTM A638 660 Type 1
ASTM A638 660 Type 2
ASTM A453 660 Class A
ASTM A453 660 Class B
BS HR51 Bar 1800°F Sol Trtd /Aged
BS HR52 Bar 1800°F Sol Trtd
BS HR560
AECMA PrEN 2171
AECMA PrEN 2119
AECMA PrEN 2172
AECMA PrEN 2173
AECMA PrEN 2303
AECMA PrEN 2304
AECMA PrEN 2398
AECMA PrEN 2399
AECMA PrEN 3510
AECMA PrEN 2175
AECMA PrEN 2417
ws 1.4980
UNS S66286
Nitronic 40
21-6-9
AMS 5656 Bar / Wire
AMS 5595 Sheet / Plate / Strip
AMS 5561 Welded tube
AMS 5562 Seamless Tube
AMS 5656 Rings / Extrusions
MIL-T-9821
ASTM A276 / ASME SA276
ASTM A412 / ASME SA412
ASTM A580 / ASME SA580
UNS S21906
Nitronic 50AMS 5764 Bar / Forgings / RingsASTM A314 / ASME SA314
ASTM A479 XM19
ASTM A276 XM19
ASTM A240 / ASME SA240
ASTM A412 / ASME SA412
ASTM A193 Grade B8R
ASTM A194 Grade B8
AWS A5.9- ER209 Weld wire
UNS S20910
Nitronic 60
AMS 5848 Bar / Forgings/ Wire
ASTM A193 Grade B8S
ASTM A194 / ASME SA194
ASTM A276 / ASME SA276
ASTM A479 / ASME A479
ASME SA194
ASME SA479 Grade B8S
UNS S21800
Duplex F51ASTM A182 F51 / F60
ASTM A276 F51 / F60
ASTM A479 F51
AISI F51
BS 318S13 (Wrought)
BS 332C15 (Cast)
WS 1.4462
WS 1.4470
X2CrNiMoN22.5.3
AFNOR Z2CND22.05Az
UNS S31803
UNS S32205
SAF2205 - SANMAC
URANUS 45N
FALC223
Super Duplex F53ASTM A182 F53
ASTM A276 F53
ASTM A479 F53
AISI F53
WS 1.4410
X2CrNiMoN25.7.4
AFNOR Z3CND25.07Az
UNS S32750
URANUS 47N(+)
Super Duplex F55ASTM A182 F55
ASTM A276 F55
ASTM A479 F55
AISI F55
WS 1.4501
X2CrNiMoCuWN25.7.4
AFNOR Z3CND25.06Az
EN10088-3
UNS S32760
ZERON 100
NACE MR01-75
PED 97/23/EC
254SMO
Alloy 254

WS 1.4547
UNS S31254
6 Mo
904LWS 1.4539
AFNOR Z2CNDU 25-20
UNS N08904
Maraging 250AMS 6512 Bars / Forgings
AMS 6520 Sheet / strip / plate
ASTM A646BS S162WS 1.6359UNS K92890
UNS K92940
UDIMAR 250
Maraging C250
Vascomax C250
Maraging 300AMS 6514 Bars / Forgings
AMS 6521 Sheet / strip/ plate
MIL-S-46850 TYPE 4
WS 1.6354
WS 1.6358
K93120
K93160
Udimar 300
Maraging C300
Maraging 350AMS 6515
MIL-S-46850
WS 1.6356Maraging C350
Vascomax C350

Alloy Steel

Steels fall broadly into four categories: carbon, stainless, tool and alloys. Technically speaking every steel is an alloy, as it is created by combining iron with carbon, however, to be officially designated as an “alloy steel” it must contain one or more other elements in addition to these two. Common alloyants include manganese (the most common one), nickel, chromium, molybdenum, vanadium, silicon, and boron. Less common alloyants include aluminium, cobalt, copper, cerium, niobium, titanium, tungsten, tin, zinc, lead, and zirconium. The reason for creating alloy steels is to improve the metal’s mechanical or physical properties, such as strength, workability or corrosion resistance. Steels are usually divided into the two main categories of high alloy and low alloy. Low-alloy steels are the ones which have up to 8% alloying elements whereas high-alloy steels have more than 8% alloying elements. There are around 20 alloying elements that can be added to carbon steel to produce various grades of alloy steel. Alloy steel is most commonly used to manufacture pipes, especially pipes for energy-related applications. It's also used in the manufacturing of heating elements in appliances like toasters, silverware, pots and pans, and corrosion-resistant containers.
GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
4130AMS 6345 Sheet / Plate, Normalised
AMS 6346 Bar Hardened & Tempered
AMS 6350 Sheet / Plate
AMS 6351 Sheet / Plate, spheroidised
AMS 6370 Bar
AMS 6371 Tube
MIL-S-6758
MIL-S-18729
MIL-T-67366
AISI 4130
ASTM A322
ASTM A331
S534
S535
UNS G41300
4140 AnnAMS 6349
AMS 6382
AMS S 5626
MIL-S- 5626
ASTM S331UNS G41400
4140 NormalisedAMS 6349
AMS 6382
AMS 6529
AMS S 5626
MIL-S-5626
ASTM A322708M40
709M40
1.7225
42CrMo4
EN10083-1
UNS G41400
SCM 440
4330 Mod VM N&TAMS 6411
AMS 6427
MIL-S-8699
AMS 2300
ASTM A646UNS K23080
BMS 7-122
BMS 7-27
CE-0906
EMS-96242
FMS-1012
GM-1010
4340
E4340
AMS 6359 Sheet / strip / plate
AMS 6409 Bars / Forgings N&T
AMS 6414 Vac Melt Bars / Forgings
AMS 6415 Bars / Forgings
AMS 6484 Bars / Forgings N&T
AMS-S-5000
MIL-S-8844 Cl1
ASTM A322
ASTM A331
AISI E4340
BMS-7-28
BPS-299-947-055
BPS-299-949-055
4620 Vac MeltAMS 6294
MIL-S-7493
AMS 2300
ASTM A331
UNS G46200
52100AMS 6440
AMS 6444
AMS 2300
AMS-S-7420
MIL-S-7420
UNS G52986
6150 Vac Melt AnnAMS 6448
AMS 2300
AMS-S-8503
MIL-S-8503
ASTM A322
ASTM A331
UNS G61500
8740AMS 6322
AMS 2301
AMS 2304
AMS-S-6049
MIL-S-6049
ASTM A331UNS G87400
9-4-30 Vac Melt N&TAMS 6526
MIL-STD-2154 Cl A
UNS K91283
BMS-7-182 Type 2
MM-S-2102
STO-160-LBO-012
9310
E9310
AMS 6260
AMS 6265 (Vac Melt)
AMS 6267 (Vac Melt)
AMS 2300
AMS 2301
AMS 2304
MIL-S-7393 Comp 3
MIL-S-93030 Comp 3
ASTM A322UNS G93106
HT-5042
EMS-56280
BPS-299-947-032AF
D-6AC Vac Melt N&TAMS 6431
AMS 2300
AMS-S-8949
MIL-S-8949
UNS K24728
FMS-1011
GM-1013
LCM-05-2190
STM-05-500
H-11 Vac Melt N&TAMS 6485
AMS 6487
AMS 6488
T20811
EMS-642
HY-TUF N&TAMS 6418
AMS 6425 (Vac Melt)
AMS 2300
AMS 2301
AMS 2304
AMS-S-7108
MIL-S-7108
ASTM A322K32550
DMS-1841 Grd B
DMS-1841 Grd A
Nitriding N&T 135 ModAMS 6470
AMS 6471 (Vac Melt)
AMS 6472
AMS 2301
AMS 2304
AMS-S-6709
MIL-S-6709A
ASTM A322
300M VAR
E4340 Mod
AMS 6257 Bars / Forgings N&T
AMS 6417 Vac Melt Bars / tubes
AMS 6419 Bars / tubes
MIL-S-8844 Cl3
MIL-S-83135
ASTM A604S155
BS 2S149
BMS-7-26-Cl1
CE-0896
DMS-1935
GM-1012
LC-05-1190
DMS 1555
Grade B H
Boeing BMS 7-28G
NCT 10-123-21MD Ed 1
P&W Vol IV F-17
SES QP78 Rev 6
15CDV6WS 1.7734.2
WS 1.7734.4
WS 1.7734.5
WS 1.7734.6
15CrMoV6
FE-PL63 S (AECMA)
FE-PL1505 (AECMA)
AIR 9160C
WS 1.6773
AIR 9160
36NiCrMo16
NCT10-123-11MD
NCT10-123-19MD
NCT16-131-03E
iGC 04.24.111
IGC 04.31.100
IGC 04.25.115
ASNA 3133

Miscellaneous Grade

GradeUS Aerospace/MilitaryUS CommercialBritish SpecificationEuropean SpecificationOther
AFNOR Z10CNW17
AFNOR Z10CNWT17-13B
BS 4S28
835M30 / EN30B
WS 1.2766
AFNOR 30NCD16 (FDMA)
AFNOR 35NCD16 (819B)
NiCrMo16
25CrMo4708M25
708A25
AISI 4130WS 1.7218
AFNOR 25CD4
Alloy 20ASTM B473
20Cb-3

Miscellaneous Grade

(not cross-references)
British SpecificationsU.S. SpecificationsEuropean Specifications
BS 3S95 / MSRR 6017
BS S107 / MSRR 6061
BS 2S133
BS 315S16 / EN58H
BS 325S21 / EN58M
BS 326S36
EN42 / 070A72 Spring Steel
EN43 / 080M50 Spring Steel
EN45 / 250A50 SiMn Steel
EN47 / 735A50 CrV Steel
EN9 / 070M55 Carbon Steel
EN3b / 070M20 / MSRR 6049
EN8D / 080M42
EN43A / 080M50
EN1A / 230M07 Carbon Steel
EN31 / 535A99 Alloy Steel
EN16HT / 605M36 Alloy Steel
EN35 AR / 635M15 Alloy Steel
EN36BAR / 655M13 Alloy Steel
EN34 AR / 665M17 Alloy Steel
EN19HT / 709M40 Alloy Steel
BS CS80 Spring Steel
Tool Steel D2, D3, O1, S1, H13
BS 305S19
BS 403S17
BS 405S17
BS 320S17 / 320S31 / EN58J
BS 434S19
AMS 5514 305 Sheet / strip / plate
AMS 5652 314 Bar / wire / forging
AMS 5585 N-155 Welded tubing
AMS 5603 PH14-8Mo Sheet / strip
AISI 305
AISI 403
AISI 405
AFNOR Z12CN25-20; BS 312S24
WS 1.3956 / AFNOR Z8CN18-12
WS 1.4000 / AFNOR Z6C13
WS 1.4002 / AFNOR Z6CA13
WS 1.4371 / BS 284S16 / AISI 284
WS 1.4528
WS 1.4571 / AFNOR Z6CNDT17-12
WS 1.4573 / AFNOR Z8CNDT17-13
WS 1.4078 / AFNOR Z8CD17-01
WS 1.4122

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