Hardness testing to ISO 6508-1
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When it comes to fasteners, a wide range of materials are used for different applications. One such material that has gained popularity in recent years is SMO 254. This high-end material is highly durable and has excellent corrosion resistance, making it perfect for harsh environments.
SMO 254 fasteners come in various types, including bolts, nuts, screws, and washers. These fasteners are made from SMO 254, a high-end austenitic stainless steel alloy. It contains high nickel, chromium, and molybdenum levels, providing excellent corrosion resistance and strength. These fasteners can also be finished with different coatings, such as black oxide, zinc phosphate, and passivation.
SMO 254 fasteners find their use in several industries, ranging from pharmaceutical and chemical to marine and aerospace. Due to their excellent corrosion resistance, they are ideal for harsh environments such as high-temperature and high-pressure applications. Some common applications include chemical processing, oil and gas piping, desalination plants, pulp and paper plants, and heat exchangers.
SMO 254 fasteners can be used in a wide range of applications where conventional fasteners fail to deliver performance under extreme conditions. These fasteners are known for their excellent fatigue strength, vital in critical applications. Moreover, they are highly resistant to pitting, crevice, and stress corrosion cracking, making them ideal for use in offshore drilling platforms, subsea equipment, and naval vessels.
SMO 254 fasteners offer several benefits over conventional fasteners, making them popular in many industries. These fasteners provide exceptional strength and durability, making them suitable for high-stress applications. They have excellent weldability, which makes them easy to install and repair. Furthermore, they have superior corrosion resistance, which significantly reduces maintenance costs.
SMO 254 fasteners are an excellent choice for applications requiring high strength and corrosion resistance in harsh environments. Through their exceptional performance, durability, and benefits, they have become a popular choice across various industries. Whether it is chemical processing, oil and gas, or marine, SMO 254 fasteners can accommodate and deliver on the requirements of critical applications.
Specifications | ASTM A193 / ASME SA 193 |
Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
Size | M3 to M90 |
Length | 10mm to 1000mm |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Form | Hex, Threading, Square, Round as per Gauge Etc. |
Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
SMO 254 fasteners are widely used in many applications that require high durability, strength, and corrosion resistance. These materials offer a range of advantages that make them ideal for various industries, including construction, food processing, and chemical processing.
To preserve the high standards of our selection of industrial fasteners, 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 fasteners.
STANDARD | WERKSTOFF NR. | UNS | SIS | 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 |
Elementy | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SMO 254 | 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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