Alloy Steel Age 254 SMO is a super-alloy austenitic stainless steel developed for use in seawater and other aggressive environments like chloride bearing media. The UNS S31254 steel is identified by its special characteristics- Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5, impact toughness, High resistance to general corrosion, High resistance to chloride stress corrosion cracking, Higher strength than conventional austenitic stainless steels and excellent weldability. For certain applications, grade 254 SMO™ has been reported to be a cost-effective substitute for high nickel and titanium alloys.
Forging, upsetting and other operations relating to 254-SMO material can be performed at 982°C - 1149°C (1800°F - 2100°F). We always maintain the temperature to not exceed this range as it would result in scaling and reduction in the workability of the material. To re-attain maximum corrosion resistant properties, we do not perform post-process annealing.
SMO 254 Availability Alloy Steel Age supplies SMO 254 in the form of Angle, Sheets, Plates, Flanges, Flat Bars, Pipe Fittings, Pipes, Chnnels and flanges.
Grade
SMO 254 | UNS S31254
Standard :
ASTM A 276/A 276M EN, BS, GB, DIN, JIS, etc
Size Range :
5mm to 9mm
Length(mm)
3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
Thickness
3.0mm – 120mm
Types
Stuctural Steel Angle, Bars, Equal, Unequal, L, T, Hot Rolled
Grade
SMO 254 | UNS S31254
Standard :
ASTM A240 / ASME SA240
Dimensions :
ASTM, ASME, and API
SMO Sheet :
thickness range from .008" to .0125"
Size :
15NB to 150NB In
Tempers
Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard
Hardness :
Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form :
Plain Sheet, Shim Sheet, Perforated Sheet
Grade
SMO 254 | UNS S31254
Standard :
ASTM A240 / ASME SA240
Dimensions :
ASTM, ASME, and API
SMO Plate :
thickness ranges from .0125" to 5.00"
Size :
15NB to 150NB In
Tempers
Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard
Hardness :
Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form :
Chequered Plate
Grades :
SMO 254 | UNS S31254
Standard :
ASTM A182 / ASME SA182
Dimensions :
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard :
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size :
1/2" (15 NB) to 48" (1200NB)
Class/Pressure :
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type :
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Type :
Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Flat flange, Industrial flanges, Plate flange, ASME B16.5 flanges.
Grades :
SMO 254 | UNS S31254
Standard :
ASTM A 276/A 276M EN, BS, GB, DIN, JIS, etc
Size Range :
3.17 mm to 350 mm diameter
Length(mm)
100 mm To 3000 mm Long & Above
Thickness
2mm~100mm
Types
SMO 254 Flat Bars, Alloy 254 Flat Bars
Grade
SMO 254 | UNS S31254
Standard :
ASTM A403 / ASME SA403
Dimensions :
ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size :
3/4" - 12"
Type :
Seamless / Welded / Fabricated
Schedule :
Sch 5 TO Sch XXS.
Bending Radius :
R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness :
Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade
SMO 254 | UNS S31254
Standard :
ASTM A312, B312 / ASME SA312, SB312
Dimensions :
ASTM, ASME and API
Seamless Pipe Size :
1 / 8" NB - 24" NB
ERW Pipe Size :
1 / 8" NB - 36" NB
EFW Pipe Size :
6" NB - 100" NB
Length :
Single Random, Double Random & Required Length
Outer Diameter:
6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Thickness :
0.3mm – 50 mm
Schedule :
SCH254, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH1254, SCH140, SCH160, XXS
Type :
Seamless, Welded, ERW
End :
Plain End, Beveled End, Treaded
Grades :
SMO 254 | UNS S31254
Standard :
ASTM A 276/A 276M EN, BS, GB, DIN, JIS, etc
Size Range :
40mm*20mm~300mm*300mm
Thickness
3.0mm – 120mm
Length
3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
Types
Structural Steel U, C, Miscellaneous Channels, Hot Rolled Channel
Grade
SMO 254 | UNS S31254
Standard :
ASTM A 276/A 276M
Size Range :
1/2" to 100"
Thickness
5 mm To 500 mm thick in 100 mm TO 6000 mm.
Length
100 mm to 6000 mm
Types
Round, Square, Recatangle, Hexagonal, Round Threaded
Grades :
SMO 254 | UNS S31254
Standard :
ASTM A 276/A 276M EN, BS, GB, DIN, JIS, etc
Size Range :
3″ thru 12.31″
Thickness
3.0mm – 120mm
Length
3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
Types
T Beams, Hot Rolled T Beams