The microstructure of the duplex steel is 50/50 austenitic and ferritic, and it is designated as UNS S31803 in the unified numbering system. It is more ductile and has a higher mechanical strength. It provides better corrosion resistance in a variety of cyclic settings, from mild to high concentricity. Duplex Steel UNS S31803 Instrumentation Accessories can be used in situations with pitting and crevice corrosion.
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Furthermore, these accessories can withstand stress corrosion cracking at temperatures ranging from ambient to sub-zero. As a result, Duplex Steel UNS S31803 Accessories can be used in place of normal grades where better mechanical qualities are required. There are no issues with the welding or machining of these tube fittings. Air Filter Regulators made of Duplex Steel UNS S31803 are extensively utilized in industrial, commercial, and institutional settings. The Instrumentation Valves have a range of styles and pressure classes to choose from. Pipes, valves, pumps, and other equipment are connected with these S31803 Instrumentation Tubes to form a pipeline system. Cleaning, inspection, and modification are very simple with Duplex Steel S31803 Fittings. Typically, the accessories are welded or screwed together. These Valves are fillet welded from both the inside and outside of the pipe. Duplex Steel UNS S31803 Syphon Tubes are corrosion-resistant and long-lasting. These Duplex Steel Instrumentation Syphon Tubes are available in a variety of specifications, forms, and sizes, and are commonly used in structural, mechanical, and general engineering applications.
Global Steel is a renowned producer with a global reputation for producing high-quality goods at competitive costs. Due to the premium quality of our goods, we are a leading manufacturer and supplier of Duplex Steel Instrumentation Accessories. To ensure the quality of the product, we test them and provide radiography reports, chemical testing, strength tests, and durability tests to our customers.
Syphon Size | 1/2 inch |
Condensate Pot Size | Pipe size 2″, 3″, 4″, 6″ and larger size upon request. Standard length: Pipe length 8″, 10″, 12″, and larger length upon request. Pipe Schedule: 40, 80, 160, seamless pipe. NPT as per ANSI B2.1 taper pipe thread?” furnished. Socket weld as per ANSI B16.11 Butt weld as per ANSI B16.9 Working pressure: 6000 PSIG (41.34 MPa). |
Snubber Size | Bore sizes 3/4″ to 10″ in diameter Travel ranges from 5″ to 20″ Load capacities from 738 lbs. to 187,900 lbs. |
Pipe Clamps | 1/2 – 18 Inch |
Types | Condensate Pot, Air Header, Pipe Clamp, Quick Release Coupling, Syphon Tube / Pipe, Pipe Clamp, Snubber, Lock Nut For O-seal, Gauge Snubber, Thermocouple, Thermowell, Gauge Adaptors, Gauge Saver, Pressure Gauge Accessories, Mini Ball Valve, Over-Pressure Protector, Cooling Tower, Adjustable Snubber |
Application | Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc. |
Air Header Size | Inlet Connection Size:1/2, 3/4, 1 inch Raised Face, Female NPT, BSPT, BSPP 2″,3″ & 4″. inches Drain Connection Type:Female NPT, BSPT, BSPP Drain Port Size:1/2″, 3/4″, 1″ Working Pressure:6000 psi [413 bar] |
Test Certificates |
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STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
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We offer These Duplex Steel S31803 Instrumentation Accessories as per DIN, ISO, JIS or ANSI Standard.
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.00 – 3.50 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Application Industry
Instrumentation Accessories applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Finland, Namibia, Denmark, Sweden, Nigeria, Belarus, Kazakhstan, Spain, Vietnam, United Arab Emirates, Brazil, Lahore, Switzerland, Sri Lanka, Ghana, Serbia, Estonia, Trinidad & Tobago, Lithuania, Slovakia, Bahrain, Russia, Ecuador, Venezuela, South Africa, Hungary, Kuwait, Turkey, India, Iran, Taiwan, South Korea, Israel, Poland, Japan, Greece, China, Croatia, Bangladesh, Macau, Belgium, United States, Egypt, Gabon, France, Norway, Tunisia, Portugal, Puerto Rico, Morocco, Pakistan, Libya, Qatar, Kenya, Germany, Costa Rica, Mongolia, Peru, New Zealand, Yemen, Algiera, Hong Kong, Romania, Nepal, Netherlands, Lebanon, Bolivia, Gambia, Zimbabwe, Singapore, Ireland, Philippines, Italy, Algeria, Afghanistan, Mexico, United Kingdom, Bulgaria, Azerbaijan, Austria, Oman, columbia, Chile, Colombia, Iraq, Saudi Arabia, Czech Republic, Jordan, Tibet, Indonesia, Australia, Angola, Ukraine, Bhutan, Thailand, Canada, Malaysia, Argentina.
Jaipur, Noida, Pune, Navi Mumbai, Thane, Hyderabad, Visakhapatnam, Ludhiana, Secunderabad, Haryana, Bengaluru, Gurgaon, Ahmedabad, mumbai, Faridabad, Chennai, Surat, Nashik, Howrah, New Delhi, Indore, Pimpri-Chinchwad, Jamshedpur, Ernakulam , Kanpur, Kolkata, Thiruvananthapuram, Nagpur, Ranchi, Rajkot, Bhopal, Chandigarh.
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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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