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SMO 254 Round Bar is a specialized type of round bar made from a high-performance alloy known as SMO 254. This alloy, also referred to as 254 SMO or UNS S31254, is a super austenitic stainless steel with an excellent combination of corrosion resistance, high strength, and exceptional workability. SMO 254 Round Bars are widely used in industries where resistance to aggressive environments and high temperatures is crucial.
Corrosion Resistance: SMO 254 is renowned for its outstanding corrosion resistance, especially in harsh and corrosive environments such as chemical processing, desalination, and marine applications. It is highly resistant to pitting, crevice corrosion, and stress corrosion cracking.
High Strength: SMO 254 offers impressive mechanical strength and can withstand high pressures and loads. This property is particularly advantageous in industries where structural integrity is essential, such as offshore drilling and oil and gas production.
Heat Resistance: SMO 254 maintains its mechanical properties at elevated temperatures, making it suitable for use in applications where exposure to high heat is common, such as in heat exchangers and furnace components.
Workability: Despite its superior strength and corrosion resistance, SMO 254 is known for its good workability. It can be easily machined, welded, and fabricated, which is essential for manufacturing various components in different shapes and sizes.
Versatility: SMO 254 Round Bars find applications in a wide range of industries, including chemical processing, petrochemical, pharmaceuticals, pulp and paper, and more. They are used in components like pipes, tubes, fittings, flanges, and valves, where resistance to corrosion and high strength are vital.
Longevity: SMO 254 Round Bars are designed to have a long service life, reducing maintenance and replacement costs in critical applications. This longevity contributes to cost savings over time.
Standard | ASTM A479, ASTM A276, AMS 5511, AMS 5513, AMS 5647 |
Dimensions | DIN, EN, ASTM, JIS, ASME, BS, AISI |
Hex Bar Size | 2-100mm A/F |
Round Bar Size | Diameter: 3-~800mm |
Flat Bar Size | Thickness: 2 -100mm |
Width: 10 to 500mm | |
Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
Square Bar Size | 4 to 100mm |
Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
Rectangular Bars Section | 3.0 to 12.0mm thickness |
Threaded Bar Billet Size | 1/2 to 495mm Diameter |
Rectangles Size | 33 x 30mm to 295 x 1066mm |
Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished |
Form | Rod, Round, Channel Bar, T-Bar, Flat Bar, Precision Ground Bar, Blocks, Square, Rings, Round Rod, Triangle, Hollow, Rectangle, Threaded, Hex (A/F), Profiles, Half Round Bar, Ingot, Billet, I/H Bar, Forging etc. |
SMO 254 Round Bars are available in various sizes and can be tailored to specific project requirements. They can be further improved through heat treatment processes to optimize their mechanical properties.
To preserve the high standards of our selection of industrial round bar, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of round bar.
STANDARD | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
SMO 254 | 1.4547 | S31254 | - | 2378 | - | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
Hardness Test
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Tensile test on metals - ISO 6892-1
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