S00001 - S99999 (Stainless Steels, including Precipitation Hardening Stainless Steel and Iron-Based Superalloys)
-
S13800 - S17780 (Precipitation Hardenable Cr-Ni-Al-Mo-(Cu, Ti) Stainless Steels)
-
S20100 - S39000 (Austenitic Cr-Mn-Ni-(Si, Mo, Cu, Al) Stainless Steel, Cr-Mn-Ni, Cr-Ni Heat Resisting Steel, Hardenable Cr-Ni-(Si, Ti, Mo, Al))
- S20161
- S20162
- S20400
- S20430
- S20980
- S21000
- S21300
- S21500
- S21800
- S21880
- S21903
- S21980
- S23980
- S25700
- S28200
- S30103
- S30115
- S30153
- S30200
- S30210
- S30260
- S30415
- S30431
- S30432
- S30433
- S30454
- S30460
- S30461
- S30462
- S30463
- S30464
- S30465
- S30466
- S30467
- S30480
- S30481
- S30483
- S30560
- S30600
- S30601
- S30615
- S30780
- S30815
- S30880
- S30881
- S30882
- S30883
- S30884
- S30886
- S30888
- S30980
- S30982
- S30983
- S30986
- S30988
- S30989
- S31002
- S31042
- S31080
- S31200
- S31254
- S31260
- S31266
- S31272
- S31380
- S31500
- S31630
- S31654
- S31670
- S31673
- S31675
- S31680
- S31681
- S31683
- S31688
- S31780
- S31783
- S31803
- S31905
- S31980
- S32001
- S32003
- S32050
- S32180
- S32200
- S32205
- S32304
- S32404
- S32520
- S32550
- S32615
- S32654
- S32750
- S32760
- S32803
- S32906
- S32950
- S33100
- S33228
- S34565
- S34710
- S34720
- S34723
- S34740
- S34741
- S34751
- S34780
- S34781
- S34788
- S35000
- S35045
- S35080
- S35135
- S35315
- S35580
- S37000
- S38031
- S38660
- S38815
- S38926
-
S39001 - S40299
-
S40300 - S46800 (Martensitic Cr, Cr-Ni-Mo Stainless Steel, Ferritic Cr with Ti, Ni, Mo, Hardenable)
- S40800
- S40910
- S40920
- S40930
- S40940
- S40945
- S40976
- S40977
- S41001
- S41003
- S41005
- S41025
- S41026
- S41041
- S41045
- S41050
- S41080
- S41081
- S41086
- S41425
- S41426
- S41427
- S41428
- S41429
- S41500
- S41603
- S41683
- S41780
- S41800
- S41880
- S42002
- S42010
- S42025
- S42035
- S42080
- S42100
- S42201
- S42225
- S42300
- S42390
- S42400
- S42500
- S42640
- S42700
- S42800
- S43080
- S43940
- S44025
- S44100
- S44401
- S44500
- S44635
- S44660
- S44687
- S44700
- S44735
- S44736
- S44800
- S45503
- S46500
- S46800
-
S50100 - S50500 (Cr Heat Resisting Steels and Filler Metal)
-
S63005 - S64007 (Valve Steel)
-
S64008 - S65005
-
S65150 - S67956 (Iron Base Superalloy)
-
S67957 - S99999