Duplex Steel S31803 Valves Manufacturer

Global Steel’s UNS S31803 Duplex steel valves are traded and supplied to a large customer base around the world. We provide a wide choice of made-to-order products to consumers all around the world. Duplex steels have higher ductility and toughness than other steel types.

Cast Duplex Stainless Steel S31803 Valves At Best Price In India, DSS 1.4462 Instrumentation Needle Valve, Duplex Stainless Steel S31803 Valves, Duplex Stainless Steel 1.4462 2 Way Manifold Valves, Duplex Stainless Steel S31803 5 Way Manifold Valves, Duplex S31803 3 Way Manifold Valves, UNS S31803 Valves Manufacturer, High Quality Duplex Steel S31803 Valves, Duplex Stainless Steel S31803 Monoflange Manifold Valve, Check Available Sizes Of Duplex Steel 1.4462 Valves, DS 1.4462 Valves, Duplex Steel S31803 Coplanar Manifold Valves, Duplex Stainless Steel S31803 Industrial Valves Supplier In Mumbai, India.

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Valves Manufacturing

Duplex Stainless Steel S31803 Instrumentation Check Valve, Competitive Price Of Duplex S31803 Valves, Duplex Stainless Steel S31803 Needle Valves, Duplex S31803 Ball Valves Exporter, Check Dimensions Of DSS 1.4462 Valves, Duplex Stainless Steel S31803 Pannel Mounting Ball Valves, DS S31803 High Pressure Needle Valves Supplier, Duplex Steel S31803 Ball Valves, Duplex Steel S31803 Valves Stockist In India, Duplex S31803 Pressure Relife Valve, DSS 1.4462 High Pressure Valves, UNS S31803 3 Valve Manifold, Ready Stock Of DS S31803 Valves, Duplex Steel S31803 Double Block & Bleed Valves.

UNS S31803 is ferritic-austenitic microstructure duplex steel. The alloy contains approximately 40–50 ferrite in its annealed state. The duplex microstructure combines the strength of ferritic steels with the corrosion resistance of austenitic steels. The metal is frequently employed as a viable remedy for chloride-induced stress cracking. The alloy has excellent resistance to corrosion in saltwater and most sulfuric acid concentrations. Furthermore, it is sulfide stress corrosion cracking resistant (sour-gas environments). Duplex stainless steel grades are up to twice as robust as austenitic and ferritic stainless steel grades in terms of strength. Duplex stainless steel valves are more formable under pressure and have a longer lifespan than ferrite types.

Global Steel assures you that these products are made to the highest possible quality standards. Only the best raw materials are used to make these valves. Duplex stainless steel valves are one type of industrial valve in high demand. Because of the grade’s ability to be solution treated but not thermally toughened, it can be used in a variety of applications. Duplex Steel UNS S31803 valves can be used in harsh circumstances. Many sectors, such as the chemical industry, oil and gas industry, petrochemical industry, power generation industry, sugar industry, food processing industry, paper and pulp industry, and offshore and onshore services use it. Global Steel delivers all types of products with complete safety and correct packing.

Specification List of Duplex Steel S31803 Valves

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
Duplex Steel S31803 Valves

Equivalent Grades Of Duplex Steel S31803 Valves

STANDARD WERKSTOFF NR. UNS
Duplex S31803 1.4462 S31803

Different Types of Duplex Steel S31803 Valves

Globe Valve

DSS S31803 Manifold Valves

  • Duplex Steel S31803 2 Valve Manifold
  • DSS 1.4462 3 Valve Manifold
  • Duplex S31803 2 Valve ‘F’ Type With Drain
  • Duplex Stainless Steel S31803 2 Valve Gauge Type Manifold Valves
  • DSS S31803 Manifold 2 Valve Angle Type
  • UNS S31803 2 Valve T Type
  • Duplex 1.4462 3 Valve Manifold
  • Duplex Stainless Steel S31803 Manifold Valves
  • DSS S31803 Manifold 2 Valve Gauge Type
  • DSS S31803 2 Valve Angle Type
  • Duplex Stainless Steel S31803 2 Valve T Type
  • Duplex Steel S31803 Manifold Valve
  • Duplex 1.4462 Manifold 2 Valve T Type
  • DSS S31803 2 Valve Manifold
  • Duplex S31803 5 Valve Manifold
  • DSS 1.4462 5 Valve Manifold
  • DSS S31803 Coplanar Manifold Valves
Check Valve

DSS S31803 Monoflange Manifold Valves

  • Duplex Steel S31803 Double Block Monoflange Manifold Valves
  • DSS S31803 Single Block & Bleed Type-Monoflange Manifold Valves
  • DSS S31803 Monoflange Single Isolation Valves
  • Duplex S31803 Monoflange Single Isolation Valves
  • DSS 1.4462 Monoflange Manifold Valves
  • Duplex Steel S31803 Monoflange Manifold Valves
  • Duplex Stainless Steel S31803 Monoflange Single Isolation
  • Duplex Steel 1.4462 Double Block & Bleed
  • UNS S31803 Single Block & Bleed Type Valves
  • DSS S31803 Single Block & Bleed Type
  • Duplex Steel 1.4462 Monoflange Block & Bleed Valve
  • Duplex 1.4462 Monoflange Block & Bleed
  • Duplex Steel S31803 Monoflange Block & Bleed
Needle Valve

DSS S31803 Double Block & Bleed Valves

  • Duplex Steel S31803 Double Block & Bleed Valves
  • DSS 1.4462 Double Block & Bleed Valves
  • Duplex Stainless Steel S31803 Double Block & Bleed Valves
  • Duplex Steel 1.4462 Double Block & Bleed Valves
  • UNS S31803 Double Block & Bleed Valves
  • Duplex 1.4462 Double Block & Bleed Valves
Butterfly Valve

DSS S31803 Needle Valves

  • Duplex Stainless Steel S31803 FxF Type Needle Valves
  • Duplex Steel 1.4462 OD X OD Angle Type Needle Valves
  • Duplex S31803 Integral Mounting Needle Valves
  • Duplex Stainless Steel S31803 Needle Valves
  • DSS 1.4462 Flange End Needle Valve
  • DSS S31803 Angle Type Needle Valves
  • Duplex S31803 Globe Handle Needle Valve
  • DSS 1.4462 Tube End Needle Valve
  • DSS S31803 FxF Type Needle Valves
  • Duplex Stainless Steel S31803 High Pressure Needle Valves
  • Duplex Steel 1.4462 F X F Type Needle Valves
  • UNS S31803 Pannel Mounting Type Needle Valves
  • Duplex S31803 M X M Type Needle Valves
  • DSS S31803 Pannel Mounting Type Needle Valves
  • Duplex Steel 1.4462 OD X OD Type Needle Valves
  • Duplex Stainless Steel S31803 MxF Type Needle Valves
  • Duplex S31803 Integral Bonnet Needle Valve
Gate Valve

DSS S31803 Ball Valves

  • Duplex Stainless Steel S31803 2pc Design Ball Valves
  • Duplex S31803 1pc Design (ic) Ball Valves
  • Duplex Steel 1.4462 3pc Design Ball Valves
  • Duplex Stainless Steel S31803 Hydraulic Ball Valve
  • Duplex S31803 4 Way Type Ball Valves
  • DSS 1.4462 Flanged End Type Ball Valves
  • DSS S31803 3pc Design Ball Valves
  • DSS S31803 5 Way Ball Valve
  • UNS S31803 OD Type Ball Valves
  • Duplex S31803 Stainless Steel High Pressure Ball Valves
  • DSS S31803 3 Way Type Ball Valves
  • DSS 1.4462 Pannel Mounting Ball Valves
  • Duplex S31803 Instrumentation Ball Valve
  • Duplex Steel S31803 3 Way Type Ball Valves
  • DSS S31803 2 Way Ball Valve
  • Duplex Steel S31803 2pc Design Ball Valves
  • DSS 1.4462 Bolted Type Ball Valves
Plug Valve

DSS S31803 Check Valves (Nrv) & Piston

  • Duplex Stainless Steel S31803 Female X Female Check Valve
  • Duplex S31803 Poppet Check Valves
  • DSS 1.4462 6000 PSI Check Valve
  • Duplex Steel S31803 Ball Seat Type Check Valves
  • DSS S31803 Compression Check Valves
  • DSS 1.4462 High Presure Spring Load Type Check Valves
  • UNS S31803 3000 PSI Check Valve
  • Duplex Stainless Steel S31803 Spring Check Valve
  • DSS 1.4462 Piston Type Check Valves
  • Duplex Stainless Steel S31803 Spring Load Type Check Valves
  • Duplex Steel S31803 Check Valves
  • DSS S31803 High Pressure Check Valve
  • Duplex Steel S31803 Inline Check Valves
  • Duplex Stainless Steel S31803 15000 PSI Check Valve
  • DSS S31803 Piston Type Check Valves
  • Uns S31803 Piston Type Check Valves

Contact us to get a quick quote for your requirement.

We offer These Duplex Steel S31803 Valves as per DIN, ISO, JIS or ANSI Standard.

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Available Stock of Duplex Steel S31803 Valves

  • Duplex Stainless Steel S31803 Instrumentation Non Return Valve
  • Duplex Steel S31803 Valves
  • Type DSS S31803 Industrial Valves
  • Duplex 1.4462 High Pressure Ball Valves
  • DSS S31803 Valves
  • Duplex Stainless Steel 1.4462 Panel Mounted Needle Valve
  • Duplex Steel S31803 Monoflange Valves
  • DSS 1.4462 Hydraulic Ball Valve
  • DSS S31803 Instrumentation Needle Valve
  • DSS S31803 Instrumentation Check Valve
  • Duplex Steel 1.4462 Ball Valve
  • DSS S31803 Integral-Bonnet Needle Valves
  • Duplex Steel S31803 Mini Needle Valve
  • Duplex Steel S31803 Threaded Butterfly Valves
  • Duplex Stainless Steel S31803 Panel Mounted Ball Valve
  • Duplex Steel S31803 Pannel Mounting Ball Valve
  • UNS S31803 Manifold Valves
  • Duplex Steel S31803 Forged Steel Valves
  • Duplex Stainless Steel S31803 Valves
  • Duplex Steel S31803 Block Bleed Valve
  • DSS S31803 Forged Integral Bonnet Angle Type Needle Valves
  • DSS S31803 Female X Female Check Valve
  • Duplex Stainless Steel S31803 NRV Check Valve
  • DSS 1.4462 Panel Mounted Ball Valve
  • Duplex Steel S31803 Hydraulic Ball Valve
  • Duplex Steel S31803 Instrumentation Check Valve
  • Duplex S31803 Non Return Valve
  • Duplex Steel S31803 Ball Valve Threaded
  • DSS S31803 Bleed and Purge Valves
  • Duplex S31803 Pressure Reducing Valve
  • Duplex Steel S31803 Forged-Body Needle Valves
  • DSS S31803 Manifold Check Valve
  • Duplex Stainless Steel S31803 Monoflange Manifold Valves
  • Duplex Steel S31803 5 Way Manifold Valve
  • DSS S31803 Panel Mounted Ball Valve
  • DSS S31803 3-way Flange Ball Valves
  • Duplex Steel S31803 2 Way Ball Valves
  • Duplex Stainless Steel 1.4462 3 PCS Ball Valve
  • Duplex Steel S31803 High Pressure Ball Valve
  • Austenitic Duplex Steel S31803 Valves
  • DSS S31803 Instrument Solenoid Valve
  • Duplex Steel S31803 4 Way Ball Valve
  • DSS S31803 3 Way Needle Valve
  • Duplex Steel 1.4462 Valves

Duplex Steel S31803 Valves Pressure Rating

Pressure & Temperature Limit accordance to ANSI/ ASME B16.34 material

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

Duplex Steel S31803 Neddle Valve Dimension Standards

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

Chemical Structure of Duplex Steel S31803 Valves

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 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

Mechanical Properties of Duplex Steel S31803 Valves

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 7.805 0.285 1420 – 1465 2588 – 2669

We Serve Application Industry

Application Industry
Valves 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.

Oil & Gas Industry

Petrochemical Industry

Power Generation Industry

Chemical Industry

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We Export Duplex Steel S31803 Valves Across the Globe

Egypt, Bulgaria, Tunisia, Russia, India, Pakistan, Bhutan, Nepal, South Africa, Trinidad & Tobago, Denmark, Spain, Bolivia, Morocco, Kenya, Slovakia, Portugal, Belgium, Sweden, Bahrain, Colombia, Costa Rica, Saudi Arabia, Azerbaijan, Austria, Romania, Finland, United Kingdom, Venezuela, Israel, Japan, Greece, Australia, Libya, Indonesia, Algeria, Namibia, Macau, France, Singapore, Lebanon, Hungary, Kuwait, Belarus, United Arab Emirates, Ghana, Bangladesh, Lithuania, Canada, Qatar, Croatia, Mongolia, Gabon, Vietnam, Iran, Philippines, Switzerland, Sri Lanka, China, Oman, Hong Kong, Afghanistan, Ukraine, Ecuador, Peru, Taiwan, Algiera, Kazakhstan, columbia, Tibet, Estonia, Turkey, Brazil, Serbia, United States, Chile, Zimbabwe, Lahore, Germany, Nigeria, Mexico, Norway, South Korea, Angola, Thailand, Italy, Gambia, Netherlands, Yemen, Jordan, Iraq, Puerto Rico, Argentina, Czech Republic, Malaysia, New Zealand, Ireland, Poland.

Domestic Supply Duplex Steel S31803 Valves

Rajkot, Jamshedpur, Bhopal, Pimpri-Chinchwad, Nashik, Kolkata, New Delhi, Ludhiana, Thane, Visakhapatnam, Haryana, Chandigarh, Hyderabad, Faridabad, Navi Mumbai, Secunderabad, Noida, Howrah, Nagpur, Bengaluru, Chennai, Gurgaon, Thiruvananthapuram, Ranchi, Pune, mumbai, Kanpur, Jaipur, Ernakulam, Indore, Surat, Ahmedabad.

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