MetalX Nickel Alloys

254 SMO Hex Bar

SpecificationDetails
Product Name254 SMO Hex Bar
Material Grade254 SMO / 6Mo Stainless Steel
UNS DesignationUNS S31254
Werkstoff NumberW.Nr. 1.4547
Material TypeSuper Austenitic Stainless Steel with High Molybdenum and Nitrogen
Manufacturing TypeHot Rolled / Cold Drawn / Cold Finished / Forged / Machined
StandardASTM A276 / ASME SA276 and applicable specifications
Hex Bar SizeAs per Standard / Customer Requirement
LengthStandard / Fixed / Customized
Surface FinishBright / Cold Drawn / Polished / Peeled / Machined / Mill Finish
Edge ConditionHexagonal / Precision Finished
Heat TreatmentSolution Annealed / As Applicable
MTCEN 10204 3.1 / 3.2
TestingChemical, Mechanical, Dimensional, Hardness, Visual, PMI and Other Tests as Specified
Tensile StrengthApproximately 650 MPa minimum, subject to applicable specification and condition
Yield StrengthApproximately 300 MPa minimum, subject to applicable specification and condition
ElongationApproximately 35% minimum, subject to applicable specification
DensityApproximately 8.0 g/cm³
Melting RangeApproximately 1320–1400°C
Corrosion ResistanceExcellent resistance to general corrosion in highly aggressive environments
Pitting ResistanceExcellent resistance to pitting and crevice corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Acid ResistanceExcellent resistance to sulfuric acid, phosphoric acid and other aggressive chemical media under suitable conditions
Seawater ResistanceExcellent resistance to seawater and marine environments
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
High-Temperature PerformanceGood mechanical stability within recommended service limits
WeldingGood weldability using suitable stainless-steel welding procedures
FabricationSuitable for machining, forming and conventional fabrication processes with appropriate methods
Available FormHex Bars / Hexagonal Bars / Precision Hex Bars / Cut-to-Length Bars
CustomizationAcross Flats, Length, Surface Finish, Heat Treatment, Tolerance, Testing and Documentation
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide 254 SMO Hex Bar Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsMarine Equipment, Seawater Systems, Chemical Processing, Desalination Plants, Heat Exchangers, Pollution-Control Equipment, Pulp & Paper, Pharmaceutical Equipment and Offshore Applications

1. 254 SMO Hex Bars – Standard Sizes

Hex Bar Size (Across Flats)Approx. Diameter EquivalentStandard Length
5 mm5.77 mm1000–3000 mm
6 mm6.93 mm1000–3000 mm
8 mm9.24 mm1000–3000 mm
10 mm11.55 mm1000–4000 mm
12 mm13.86 mm1000–4000 mm
14 mm16.17 mm1000–4000 mm
16 mm18.48 mm1000–4000 mm
20 mm23.09 mm2000–6000 mm
25 mm28.87 mm2000–6000 mm
30 mm34.64 mm2000–6000 mm
32 mm36.95 mm2000–6000 mm
40 mm46.19 mm2000–6000 mm
50 mm57.74 mm2000–6000 mm
60 mm69.28 mm2000–6000 mm
75 mm86.60 mm2000–6000 mm
100 mm115.47 mm2000–6000 mm

2. 254 SMO Hex Bars – Technical Specifications

SpecificationDetails
Product Name254 SMO Hex Bar
Material Grade254 SMO / Alloy 254 SMO / 6Mo Stainless Steel
UNS DesignationUNS S31254
Werkstoff NumberW.Nr. 1.4547
Material TypeSuper Austenitic Stainless Steel with High Molybdenum and Nitrogen
Manufacturing TypeHot Rolled / Cold Drawn / Cold Finished / Forged / Machined
StandardASTM A276 / ASME SA276 and applicable specifications
Hex Bar SizeAs per Standard / Customer Requirement
LengthStandard / Fixed / Customized
Surface FinishBright / Cold Drawn / Polished / Peeled / Ground / Machined / Mill Finish
Edge ConditionHexagonal / Precision Finished
Heat TreatmentSolution Annealed / As Applicable
MTCEN 10204 3.1 / 3.2
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI / NDT as Specified
Tensile StrengthApproximately 650 MPa minimum, subject to applicable specification and condition
Yield StrengthApproximately 300 MPa minimum, subject to applicable specification and condition
ElongationApproximately 35% minimum, subject to applicable specification
DensityApproximately 8.0 g/cm³
Melting RangeApproximately 1320–1400°C
Corrosion ResistanceExcellent resistance to aggressive corrosive environments
Pitting ResistanceExcellent resistance to pitting and crevice corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Acid ResistanceExcellent resistance to selected sulfuric, phosphoric and other aggressive chemical environments
Seawater ResistanceExcellent resistance to seawater and marine environments
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
High-Temperature PerformanceGood mechanical stability within recommended service limits
WeldingGood weldability using suitable stainless-steel welding procedures
FabricationSuitable for machining, forming and conventional fabrication with appropriate methods
Available FormHex Bars / Hexagonal Bars / Precision Hex Bars / Cut-to-Length Bars
CustomizationAcross Flats, Length, Surface Finish, Heat Treatment, Tolerance, Testing and Documentation
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide 254 SMO Hex Bar Export Supply
ApplicationsMarine Equipment, Seawater Systems, Desalination Plants, Chemical Processing, Heat Exchangers, Pollution-Control Equipment, Pulp & Paper, Pharmaceutical Equipment and Offshore Applications

3. 254 SMO Hex Bars – Supply & Export Details

Supply ParameterAvailable Options
Product FormHex Bars / Hexagonal Bars / Precision Hex Bars
SizeStandard and Customized Hex Sizes
LengthStandard / Random / Fixed / Cut-to-Length
Surface FinishBright / Cold Drawn / Polished / Peeled / Ground / Machined / Mill Finish
ConditionSolution Annealed / As Specified
Heat TreatmentSolution Annealed / As Applicable
Dimensional InspectionAcross Flats, Length, Straightness and Tolerance Inspection
Chemical TestingChemical Composition / PMI as Required
Mechanical TestingTensile / Yield / Elongation / Hardness Testing
Corrosion TestingPitting / Intergranular / Other Tests as Specified
NDTUltrasonic or Other NDT as Specified
CertificationEN 10204 3.1 / 3.2
Third-Party InspectionAvailable as per Project Requirement
Material TraceabilityHeat Number and Material Identification as Required
PackagingExport-Worthy / Seaworthy Protective Packaging
OriginEuropean / American / Japanese / Korean and Other Approved Origins
CustomizationSize, Length, Finish, Heat Treatment, Testing and Documentation
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing and International Shipment Coordination
Export SupplyWorldwide 254 SMO Hex Bar Export Supply
ApplicationsMarine Engineering, Desalination, Seawater Handling, Chemical Processing, Offshore Equipment, Heat Exchangers, Pollution Control and Specialized Industrial Components

Most Common Types Of 254 SMO Hex Bars

254 SMO Hex Bars are available in different manufacturing conditions, surface finishes, heat-treatment conditions and customized dimensions for marine, chemical processing, desalination and other highly corrosive applications.

Type of 254 SMO Hex BarDescription
254 SMO Cold Drawn Hex BarsPrecision cold-drawn hex bars offering controlled dimensions, close tolerances and a smooth surface finish.
254 SMO Cold Finished Hex BarsCold-finished hexagonal bars suitable for precision machining and components requiring accurate dimensions.
254 SMO Hot Finished Hex BarsHot-worked hex bars generally used for larger sizes and demanding industrial applications.
254 SMO Forged Hex BarsForged hex bars manufactured for heavy-duty components requiring reliable mechanical strength and structural integrity.
254 SMO Bright Hex BarsBright-finished hex bars supplied with a smooth and uniform surface suitable for machining and precision components.
254 SMO Polished Hex BarsPolished hex bars with an enhanced surface finish for specialized engineering and fabrication requirements.
254 SMO Peeled Hex BarsPeeled hex bars with a clean, uniform surface and controlled dimensions for precision machining.
254 SMO Solution Annealed Hex BarsSolution-annealed hex bars supplied to provide suitable corrosion resistance, ductility and metallurgical stability.
254 SMO Precision Hex BarsClose-tolerance hexagonal bars designed for precision manufacturing of fasteners, fittings, pins, shafts and valve components.
254 SMO Cut-to-Length Hex BarsHex bars cut to specified lengths according to customer drawings, purchase orders or project requirements.
Custom 254 SMO Hex BarsCustomized across-flats dimensions, lengths, tolerances, surface finishes, heat treatment and testing can be supplied.
254 SMO Export Hex BarsExport-ready hex bars supplied with applicable certification, inspection documentation, protective packaging and international shipment support.
Why Should You Buy 254 SMO Hex Bars from Metalx Nickel & Alloys?
  • Experienced 254 SMO Hex Bar Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
  • 20+ Years of Nickel Alloy & Stainless Steel Exporter Experience in supplying and exporting corrosion-resistant, high-performance and specialty alloy products to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
  • Specialized 254 SMO Hex Bar Exporter offering 254 SMO / UNS S31254 / W.Nr. 1.4547 Hex Bars according to applicable international standards and customer requirements.
  • Global 254 SMO Exporter Network with access to reputed stainless steel and specialty alloy mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
  • Reliable 254 SMO Hex Bar Exporter supplying super-austenitic stainless steel products for demanding applications requiring excellent pitting resistance, crevice corrosion resistance, chloride resistance, seawater resistance and resistance to stress-corrosion cracking.
  • Wide Specialty Alloy Product Range including 254 SMO Hex Bars, Nickel 200 Hex Bars, Nickel 201 Hex Bars, Inconel 600 Hex Bars, Inconel 625 Hex Bars, Inconel 718 Hex Bars, Incoloy 800 Hex Bars, Incoloy 800H Hex Bars, Incoloy 800HT Hex Bars, Incoloy 825 Hex Bars, Hastelloy C22 Hex Bars, Hastelloy C276 Hex Bars, Monel 400 Hex Bars, Monel K500 Hex Bars and other specialized alloy products.
  • 254 SMO Ready Stock Exporter offering selected hex bar sizes, across-flats dimensions, lengths and surface finishes from available stock, subject to current exporter stock availability.
  • Custom 254 SMO Hex Bar Exporter supplying material according to customer drawings, required dimensions, lengths, surface finishes, heat-treatment conditions, tolerances, testing requirements and project specifications.
Key FeatureDetails
Excellent Corrosion ResistanceProvides excellent resistance to highly corrosive industrial and marine environments.
Pitting ResistanceHigh molybdenum and nitrogen content contributes to excellent resistance to pitting corrosion.
Crevice Corrosion ResistancePerforms well against crevice corrosion, particularly in chloride-containing environments.
Chloride ResistanceExcellent resistance to chloride-rich environments and aggressive seawater conditions.
Seawater ResistanceWell suited for components exposed to seawater and marine environments.
Stress-Corrosion Cracking ResistanceOffers excellent resistance to chloride-induced stress-corrosion cracking under suitable service conditions.
High Molybdenum ContentThe high molybdenum content improves resistance to localized corrosion and aggressive chemical media.
Nitrogen StrengtheningNitrogen contributes to increased strength and improved localized corrosion resistance.
Good Mechanical StrengthProvides a useful combination of strength, toughness and durability for demanding components.
Good Fabrication PropertiesSuitable for machining and conventional fabrication using appropriate processing methods.
Precision Hexagonal ProfileSix-sided geometry provides effective gripping surfaces for machining, assembly and fastening applications.
Multiple Surface FinishesAvailable in bright, polished, cold-drawn, hot-rolled, machined and other specified finishes.
Customized DimensionsAvailable in customized across-flats dimensions, lengths, tolerances and surface conditions.
Inspection & CertificationChemical, mechanical, dimensional and other specified testing can be provided with applicable documentation.
Wide Industrial ApplicationsSuitable for marine, desalination, chemical processing, offshore, heat-exchanger, pollution-control and other demanding applications.
SpecificationDetails
Product Name254 SMO Hex Bar
Material Grade254 SMO / 6Mo Stainless Steel
UNS DesignationUNS S31254
Werkstoff NumberW.Nr. 1.4547
Material TypeSuper Austenitic Stainless Steel
ShapeHexagonal Solid Bar
StandardASTM A276 / ASME SA276
Manufacturing TypeHot Rolled / Cold Drawn / Cold Finished / Machined
Hex Bar SizeAs per Standard / Customer Requirement
LengthStandard / Fixed / Customized
Surface FinishBright / Polished / Cold Drawn / Hot Rolled / Machined / Mill Finish
Surface ConditionSmooth and Uniform
Edge ConditionHexagonal / Precision Finished
Heat TreatmentSolution Annealed / As Applicable
ConditionAnnealed or as Specified
Tensile StrengthApproximately 650 MPa minimum, subject to applicable specification and condition
Yield StrengthApproximately 300 MPa minimum, subject to applicable specification and condition
ElongationApproximately 35% minimum, subject to applicable specification
DensityApproximately 8.0 g/cm³
Melting RangeApproximately 1320–1400°C
Corrosion ResistanceExcellent resistance to highly corrosive environments
Pitting ResistanceExcellent resistance to pitting corrosion
Crevice Corrosion ResistanceExcellent resistance to crevice corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Seawater ResistanceExcellent resistance to seawater and marine environments
Acid ResistanceExcellent resistance to selected aggressive chemical environments
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
WeldingGood weldability using suitable stainless-steel welding procedures
FabricationSuitable for machining, forming and conventional fabrication processes
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI / NDT as Required
MTCEN 10204 3.1 / 3.2 as Required
PackagingExport-Worthy Protective Packaging
Available FormHex Bars / Hexagonal Bars / Precision Hex Bars / Cut-to-Length Bars
CustomizationAcross Flats, Length, Surface Finish, Heat Treatment, Tolerance, Testing and Documentation
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide 254 SMO Hex Bar Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsMarine Equipment, Seawater Systems, Desalination Plants, Chemical Processing, Heat Exchangers, Offshore Equipment, Pollution Control, Pulp & Paper and Pharmaceutical Equipment
1. What is a 254 SMO Hex Bar?

254 SMO Hex Bar is a six-sided solid bar manufactured from 254 SMO / UNS S31254 / W.Nr. 1.4547 , a super-austenitic stainless steel designed for demanding corrosive environments.

They offer excellent resistance to pitting, crevice corrosion, chloride attack and stress-corrosion cracking , along with good mechanical strength and durability.

They are commonly used in desalination plants, seawater systems, marine equipment, chemical processing, heat exchangers, offshore equipment, pollution-control systems, pulp and paper plants and pharmaceutical equipment .

254 SMO Hex Bars can be supplied according to ASTM A276 / ASME SA276 and other applicable customer or project specifications.

Depending on size and requirement, they can be supplied with bright, polished, cold-drawn, hot-rolled, machined or other specified surface finishes .

Yes. METALX NICKEL ALLOYS can supply customized hex sizes, across-flats dimensions, lengths, tolerances, surface finishes, heat-treatment conditions, testing and certification according to customer requirements.

Have a Question?

Whatsapp
Email
Call
Scroll to Top
Call Now Button