Home / SMO 254 Products /SMO 254 Valves
SMO 254 valves are popular in the oil and gas industry due to their excellent corrosion resistance properties and high strength. These valves have become increasingly vital in the chemical, petrochemical, and pharmaceutical industries.
SMO 254 is an austenitic stainless alloy containing high amounts of molybdenum, nitrogen, and chromium, providing excellent strength, corrosion resistance, and flexibility. Its corrosion resistance properties make it resistant to acidic & alkaline chemicals, making it ideal for the chemical and processing industries. SMO 254 Valves properties also include high tensile strength and durability against harsh environments, making them ideal for offshore applications.
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Its resistance to pitting, crevice corrosion, and cracking makes it a go-to material for valves in complex applications that demand exceptional corrosion resistance properties. SMO 1.4547 Valves have a longer lifespan, reducing operational downtime & maintenance costs and providing significant cost savings in the long run. SMO 254 valves have excellent heat resistance properties, making them ideal for high-temperature environments.
High Quality SMO 254 Valves are popular in the petrochemical, chemical & pharmaceutical industries and are used in various applications. They are highly effective in marine environments that require excellent corrosion resistance properties.
UNS S31254 Coplanar Manifold Valves are also used in the oil and gas industry, specifically in offshore drilling, onshore exploration, and transportation. The superior chemical resistance properties of SMO 254 make it particularly useful in chemical processing plants and refineries. The high-quality valves products we provide at Global Steel include SMO 254 Forged Fittings, SMO 254 Pipe Fittings and more.
SMO 254 require consistent maintenance to function correctly. Regular preventive maintenance is essential to maintain optimal performance and extend service life. Valves should be periodically inspected for any damages, including corrosion or leaks, and serviced as necessary. It is also essential to replace worn-out valves promptly. We provide an extensive range of products, such as Alloy 20 Pipe Fittings, Alloy Steel A182 F11 Forged Fittings and more.
SMO 1.4547 Ball Valves are ideal for applications with exceptional corrosion resistance properties and high strength. The versatility, durability, and resistance to harsh environments make it a popular choice in the chemical, petrochemical, pharmaceutical & offshore industries. Its durability, high tensile strength, and excellent heat resistance make it ideal for various high-temperature and highly corrosive applications. Maintaining the SMO 254 valves, as recommended by the supplier, to ensure they remain in excellent condition and function optimally is essential.
What are the advantages of using SMO 254 valves?
SMO 254 valves offer exceptional corrosion resistance, high strength, and durability. They can withstand aggressive chemicals, acidic solutions, and chloride-rich media without corroding or deteriorating. This makes them suitable for harsh environments.
Can SMO 254 valves be customized to fit specific project requirements?
Yes, valve manufacturers often offer customization options to tailor SMO 254 valves to specific project needs, including design modifications, sizes, and connection types.
How do SMO 254 valves contribute to system safety and reliability?
SMO 254 valves contribute to system safety and reliability by preventing leaks and corrosion-related failures in critical applications. Their ability to maintain structural integrity in aggressive environments enhances overall system performance.
| Standards | API 598 / BS EN 12266-1, ASME B 16.10, Sizes available on request API 600/BS1414, 1/8 to 1”, ASME B 16.34, ASME B 16.5, ASME B16.25 |
| Sizes | Sizes available on Request, 1/8 to 1”, 1/2′ TO 14” |
| Working Pressure | Valves are also available which could handle higher pressure, Up to 6000 PSIG |
| End Connection | BSPT, Male and Female NPT, Male to Female, Socket Weld (SW) or Dual Ferrule Tube Connections, Female to Female |
| Temperature Ratings | (232C)/Grafoil 700 F(371C), PTFE 450F |
| Pressure Rating | 150#, 300#, 600#, 800#, 1500# |
| Application | Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc. |
| Ends | Flange Ends, Screwed Ends,Socket Weld Ends |
| Type | Ball Valves, Globe Valves, Check Valves, Needle Valves, Butterfly Valves |
| Temperature Rating | (232C)/Grafoil 700 F(371C),PTFE 450F |

| STANDARD | UNS | WERKSTOFF NR. | EN | AFNOR | SIS |
| SMO 254 | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 | Z1 CNDU 20.18.06Az | 2378 |






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We offer These SMO 254 Valves as per DIN, ISO, JIS or ANSI Standard.
| Temp. °F | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
|---|---|---|---|---|---|---|---|
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 [1] | 310 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 [1] | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 [1] | 200 | 265 | 400 | 595 | 995 | 1655 |
| 1200 | 20 [1] | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1250 | 20 [1] | 115 | 150 | 225 | 340 | 565 | 945 |
| 1300 | 20 [1] | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 [1] | 60 | 80 | 125 | 185 | 310 | 515 |
| 1400 | 20 [1] | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 [1] | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 [1] | 25 | 35 | 55 | 80 | 135 | 230 |
| Size | L | a | b | W | H |
|---|---|---|---|---|---|
| 1/8″ | 56 | 28 | 28 | 60 | 80 |
| ¼” | 56 | 28 | 28 | 60 | 80 |
| 3/8” | 56 | 28 | 28 | 60 | 80 |
| ½” | 58 | 28 | 28 | 60 | 81 |
| ¾” | 62 | 35 | 35 | 60 | 85 |
| 1” | 70 | 45 | 45 | 70 | 100 |
| Port Size (BSP) | Media Pressure | Media Temperature | CV |
|---|---|---|---|
| 1/8″ | 0 to 408 Bar | -20°C to 230°C | |
| ¼” | 0 to 408 Bar | -20°C to 230°C | 0.4 |
| 3/8” | 0 to 408 Bar | -20°C to 230°C | 0.4 |
| ½” | 0 to 408 Bar | -20°C to 230°C | 0.6 |
| ¾” | 0 to 408 Bar | -20°C to 230°C | 1.6 |
| 1” | 0 to 408 Bar | -20°C to 230°C | 2.5 |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | P | Mo |
| SMO 254 | 0.02 max | 1 max | 0.8 max | 0.01 max | 0.5 – 1 | 17.5 – 18.5 | 19.5 – 20.5 | 0.03 | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1320-1390 °C | MPa -650 | MPa – 300 | 35 % |
Application Industry
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Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.
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