Equivalent Specifications
Type UNS AISI EN Name EN Number Sub Class Type
U-3CR12 - - - -  Utility Ferritics
U-3CR12L S41003 - X2CrNi12 1.4003  Utility Ferritics
U-410S S41008 410S - -  Utility Ferritics
U-40910 S40910 409 X2CrTi12 1.4512  Standard Ferritics
U-430 S43000 430 X6Cr17 1.4016  Standard Ferritics
U-439 S43035 439 X3CrTi17 1.4510  Standard Ferritics
U-430DDQ S43000 430 X6Cr17 1.4016  Standard Ferritics
U-1.4509 S43940 - X2CrTiNb18 1.4509  Standard Ferritics
U-434 S43400 434 X6CrMo17-1 1.4113  Moly Ferritics
U-436 S43600 436 X6CrMoNb17-1 1.4526  Moly Ferritics
U-444 S44400 444 X2CrMoTi18-2 1.4521  Moly Ferritics
U-2001 S32001 - X2CrMnNi20-5-1 1.4482  Lean Duplex
U-2304 S32304 2304 X2CrNiN23-4 1.4362  Lean Duplex
U-2205 S32205 2205 X2CrNiMoN22-5-3 1.4462  Standard Duplex
U-202 - - - -  Cr-Ni-(Mn) Austenitics
U-304 S30400 304 X5CrNi18-10 1.4301 Cr-Ni-(Mn) Austenitics
U-304H
U-304DQ
U-304DDQ
U-304L-ASTM S30403 S30400 304L 304 X2CrNi18-9
X5CrNi18-10
1.4307 1.4301 Cr-Ni-(Mn) Austenitics
U-304L-ASME
U-304LS
U-304LDDQ X2CrNi19-11
X2CrNi18-9
X5CrNi18-10
1.4306 1.4307 1.4301 Cr-Ni-(Mn) Austenitics
U-304LN S30453 S30451 304LN 304N - - Cr-Ni-(Mn) Austenitics
U-321 S32100 321 X6CrNiTi18-10 1.4541 Cr-Ni-(Mn) Austenitics
X8CrNiTi18-10 1.4878 Cr-Ni-(Mn) Austenitics
U-316L-1.4404 S31003 S31600 316L 316 X2CrNiMo17-12-2
X5CrNiMo17-12-2
1.4404 1.4401  Cr-Ni-Mo Austenitics
U-316L-1.4435 X2CrNiMo18-14-3
X3CrNiMo17-13-3
X2CrNiMo17-12-2
X5CrNiMo17-12-2
1.4432 1.4435 1.4436 1.4404 1.4401  Cr-Ni-Mo Austenitics
U-316LN S31653 S31651 316LN 316N X2CrNiMoN17-11-2 1.4406  Cr-Ni-Mo Austenitics
U-316Ti S31635 316Ti X6CrNiMoTi17-12-2 1.4571  Cr-Ni-Mo Austenitics
U-309S-1.4833 S30908 S30900 309S 309 X12CrNi23-13 1.4833 Heat Resisting Austenitics
U-309S Si-1.4828 - - X15CrNiSi20-12 1.4828 Heat Resisting Austenitics
U-310S-1.4845 S31008 S31000 310S 310 X8CrNi25-21 1.4845 Heat Resisting Austenitics
U-310S-1.4841   - X15CrNiSi25-21 1.4841 Heat Resisting Austenitics