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Duplex Steel S31803 Buttweld Fittings

UNS S31803 Buttweld Fittings are produced by Duplex Steel & Alloys A buttweld fitting is a type of weldable pipe fitting that permits changing the direction of flow, branching off, condensing the pipe, and attaching extra equipment. Depending on the requirements of the system, our fittings are chosen for a variety of applications with varied specifications.

It consists of several different kinds of fittings, such as reducers, outlets, elbows, caps, tees, etc. These elbows are used to shift the pipe's direction of travel, while reducers are used to shrink the pipe from a large size to a small one. End caps are used to cover the pipe's ends. These fittings also come in the form of a tee, which is used to separate the flow and join pipes of various sizes. These UNS S31803 Buttweld Fittings are utilised in a variety of applications, including bleach washers, bleach mill digesters, chemical and pharmaceutical equipment, seawater pumps and valves, heat exchangers, gas processing, and heat exchangers in pipes.

Duplex Steel S31803 Pipe Fittings, Duplex S31803 Elbow Price, Duplex Stainless Steel S31803 Buttweld Fittings, S31803 Duplex Stainless Steel Elbow, Duplex Pipe Fittings, Duplex S31803 Pipe Fittings Suppliers in Mumbai, India.

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UNS S31803 Elbow, SAF S31803 Pipe Fittings, S31803 Duplex Fittings, S31803 Duplex Weld Fittings, Duplex S31803 Buttweld Fittings Manufacturers in India.

Duplex Stainless Steel S31803 Buttweld Fittings

With good mechanical properties and superior resilience against chloride pitting and crevice corrosion, Duplex Steel & Alloys recommends duplex grade, UNS S31803 Buttweld Fittings. As a result, these fittings have exceptional anti-corrosive properties and are available with the option of having custom specifications created to the buyer's demands. Our fittings' top-notch surface finishes enable smooth passage through them. As a result of its widespread use in piping systems, the building should be leak-proof.

Buttweld fittings made of UNS S31803 are resistant to corrosion in hot environments and strong enough to endure high-temperature systems. These fittings are also well-suited for high-stress systems since they are well-suited for resisting cracks and crevices. As a result, it is advised for applications involving loaded systems and higher thermal ranges. Our fittings are the best because they have a high tensile strength while also being more flexible and weldable.

Ferrite austenitic steel, generally known as duplex steel, is UNS S31803. It contains between 40 and 50 percent ferrite, as well as significant amounts of chrome, molybdenum, and nickel. Additionally, additional fundamental alloy-forming elements are present in sufficient amounts. Due to two phases in their metallurgical design, duplex grades have increased corrosion resistance and strength.


S31803 Duplex Pipe Fittings Specifications

Specifications ASTM A815 / ASME SA815
Size Seamless Butt Weld Fittings: 1/2" - 10"
Welded Butt Weld Fittings: 1/2" - 48"
Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Type DN15-DN1200
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom MSS Sp-43
Size Range ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Elbows Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D .
Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Connection Welding
Manufacturing process Forge, Cast, Push, Press, etc.
Key markets and industries
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Petrochemicals and acids.
  • Nuclear power (mostly seamless).
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Specialized manufacturer of 90º Elbows, 45º Elbows, Tees, Crosses, Reducers, Pipe Cap, Stub End, Pipe Bend
We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Types of Duplex S31803 Pipe Fittings

Buttweld 90 Degree Elbow

S31803 Duplex Steel 90 Degree Elbow

Buttweld 45 Degree Elbow

S31803 Duplex Steel 45 Degree Elbow

Buttweld 180 Degree Elbow

Duplex Steel S31803 180 Deg Elbow

Concentric Reducer

S31803 Duplex Steel Concentric Reducer

Eccentric Reducer

S31803 Duplex Steel Eccentric Reducer

Long Radius Elbow

S31803 Duplex Steel Long Radius Elbow

Short Radius Elbow

S31803 Duplex Steel Short Radius Elbow

Pipe Bend

ASTM A815 S31803 Duplex Steel Pipe Bend

Piggable Bend

ANSI B16.9 Duplex S31803 Piggable Bend

Pipe Nipple

ASME SA815 Duplex S31803 Pipe Nipple

Equal Tee

S31803 Duplex Stainless Steel Equal Tee

Equal Cross

Duplex Steel S31803 Equal Cross

Long Stub End

Duplex Steel S31803 Long Stub End

Short Stub End

Duplex Steel S31803 Short Stub End

Pipe Cap

Duplex Stainless Steel S31803 Pipe Cap

Duplex S31803 Pipe Fittings Equivalent Material

STANDARD WERKSTOFF NR. UNS
Duplex Steel 1.4462 S31803

S32750 Duplex Steel Pipe Fittings Chemical Composition

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

S32750 Duplex Steel Buttweld Fittings Mechanical Properties

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

DSS S31803 Pipe Fittings, Duplex Steel S31803 Pipe Elbow, ASTM A815 Duplex S31803 Pipe Fittings, Duplex Steel Reducer, DSS S31803 Pipe Fittings Manufacturer, Duplex S31803 Pipe Fittings Suppliers in Mumbai.

If you are looking for best prices for Duplex Steel S31803 Pipe Fittings, Duplex S31803 Elbow, S31803 Duplex Steel Reducer email us on info@duplexsteelalloys.com or call us on +91 9664408767

Looking to Buy Duplex Steel S31803 Pipe Fittings ?

Duplex Elbow Price List S31803 Pipe Fittings Price List UNS S31803 Pipe Fittings Weight Calculator

Duplex Steel S31803 Pipe Fittings Price List

Product Price
Custom Size 4 Inch DSS S31803 3D Elbow Price US $ 0.5-1.0 / Piece
UNS S31803 Two Halve Butt weld Fittings Price US $ 1.00-4000.0 / Piece
S31803 Duplex Steel Reducing Elbow Price List US $ 2.5-60.0 / Piece
Schedule 10 Duplex S31803 Pipe Fittings Price US $ 00.1-40 / Piece
ANSI B16.9 Duplex S31803 Welded Pipe Elbow Price US $ 1-4000 / Piece
S31803 Duplex Steel Seamless Long Radius 90 Degree Elbow US $ 400 / Ton
ASTM A815 UNS S31803 Buttweld Pipe Fittings Price US $ 0.5-1 / Piece
ASME SA 815 S31803 Duplex Steel SMLS Fittings Price List US $ 3.0-50.0 / Piece
S31803 Duplex Steel End Cap Price List US $ 00.9 / Piece

Duplex S31803 Buttweld Pipe Fittings Dimensions

Normal Pipe Size For (NPS) For ANSI/ASME B16.9 10S Schedule 40S Schedule 80S Schedule
Buttweld 90 Degree Elbow Buttweld 45 Degree Elbow B16.9 Buttweld Equal Tee Buttweld 90 Deg Elbows Buttweld 45 Deg Elbows B16.9 Buttweld Equal Tee Buttweld 90 Degree Elbow Buttweld 45 Degree Elbow ASME B16.9 Buttweld Equal Tee
8 0.02 0.01 0.03 0.03 0.02 0.06 0.04 0.03 0.07
10 0.03 0.02 0.05 0.03 0.02 0.03 0.06 0.04 0.09
15 0.06 0.03 0.09 0.08 0.04 0.10 0.10 0.05 0.14
20 0.07 0.03 0.13 0.08 0.04 0.17 0.11 0.05 0.20
25 0.14 0.08 0.28 0.15 0.11 0.29 0.22 0.14 0.38
32 0.23 0.11 0.49 0.26 0.17 0.59 0.40 0.23 0.68
40 0.30 0.17 0.68 0.40 0.23 0.86 0.51 0.29 1.02
50 0.50 0.25 0.85 0.70 0.4 1.28 0.91 0.59 1.59
65 0.85 0.48 1.41 1.40 0.77 2.19 1.81 0.99 3.13
80 1.25 0.63 1.77 2.20 1.08 3.31 2.97 1.50 4.45
90 1.70 0.75 2.67 2.83 1.42 4.08 4.00 2.00 5.44
100 2.10 1.08 3.46 4.47 2.09 5.27 6.18 2.81 7.71
150 5.45 2.72 8.07 10.89 5.44 10.99 16.32 8.16 13.61
200 10.20 5.33 15.65 21.54 10.77 20.91 33.11 16.56 28.12
250 18.15 9.75 26.46 38.56 19.27 35.38 51.71 25.86 49.90
300 25.80 13.62 39.46 59.42 29.71 62.14 79.38 39.69 83.91
Normal Pipe Size For (NPS) For ANSI/ ASME B16.9 10S Schedule 40S Schedule 80S Schedule
Buttweld Con Pipe Reducer Buttweld Ecc Pipe Reducer Buttweld Unequal And Reducing Tee Buttweld Con Pipe Reducer Buttweld Ecc Pipe Reducer Buttweld Unequal And Reducing Tee Buttweld Con Pipe Reducer Buttweld Ecc Pipe Reducer Buttweld Unequal And Reducing Tee
40x.25 0.19 0.19 0.60 0.26 0.26 0.76 0.34 0.34 0.90
50x25 0.28 0.28 0.73 0.40 0.40 1.10 0.54 0.54 1.37
50x40 0.31 0.31 0.76 0.45 0.45 1.15 0.59 0.59 1.43
80x.50 0.55 0.55 1.56 1.00 1.00 2.91 1.79 1.79 3.91
100x50 0.78 0.78 2.94 1.50 1.50 4.48 1.95 1.95 6.55
100x80 0.87 0.87 3.04 1.74 1.74 4.64 2.33 2.33 6.79
150x80 1.82 1.82 6.86 3.95 3.95 9.68 5.51 5.51 11.57
150x100 1.96 1.96 7.10 4.07 4.07 11.94 5.96 5.96 11.97
200x100 3.01 3.01 13.46 6.55 6.55 17.98 9.23 9.23 24.18
200x150 3.19 3.19 14.08 6.74 6.74 18.82 10.12 10.12 25.31

S31803 Duplex Stainless Steel Pipe Fitting Tolerance

Pressure Rating (psig)
Pipe Size
(inches)		 Pipe Schedule Temperature (oF)
100 200 300 400 500 600 650 700 750
1" 160 6140 5296 4759 4375 4068 3876 3761 3684 3646
80 4213 3634 3265 3002 2791 2659 2580 2528 2501
40 3048 2629 2362 2171 2019 1924 1867 1824 1810
1 1/2" 160 4619 3984 3580 3291 3060 2916 2829 2772 2743
80 3182 2744 2466 2267 2108 2009 1949 1909 1889
40 2257 1947 1750 1608 1496 1425 1383 1354 1340
2" 160 4499 3880 3486 3205 2980 2840 2755 2699 2671
80 2747 2369 2129 1957 1820 1734 1682 1648 1631
40 1902 1640 1474 1355 1260 1201 1165 1141 1129
3" 160 3840 3312 2976 2736 2544 2424 2352 2304 2280
80 2553 2202 1979 1819 1691 1612 1564 1532 1516
40 1806 1558 1400 1287 1196 1140 1106 1084 1072
4" 160 3601 3106 2791 2566 2386 2273 2206 2161 2138
80 2213 1909 1715 1577 1466 1397 1355 1328 1314
40 1531 1321 1187 1091 1014 967 938 919 909
5" 160 3414 2945 2646 2433 2262 2155 2091 2049 2027
80 1981 1709 1535 1411 1312 1250 1213 1189 1176
40 1342 1158 1040 956 889 847 822 805 797
6" 160 3289 2836 2549 2343 2179 2076 2014 1973 1953
80 1913 1650 1483 1363 1267 1208 1172 1148 1136
40 1219 1052 945 869 808 770 747 732 724
8" 160 3175 2738 2460 2262 2103 2004 1944 1905 1885
80 1692 1459 1311 1205 1121 1068 1036 1015 1005
40 1073 926 832 765 711 678 657 644 637
10" 160 3147 2714 2439 2242 2085 1986 1927 1880 1868
80 1609 1388 1247 1147 1066 1016 986 966 956
40 974 840 755 694 645 615 596 584 578

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Widest Range of Duplex Stainless Steel S31803 Butt weld Fittings in Mumbai, India.

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Tests of ASTM A815 S31803 Duplex Steel Pipe Fittings

Before being prepared for shipment to the customer, ASTM A815 S31803 Duplex Steel Pipe Fittings Testing should be constructed in accordance with applicable standards and thoroughly tested for potential flaws.

Hardness Test

Hardness Test

Impact Tests

Impact Tests

Ultrasonic Testing

Ultrasonic Testing

Duplex Steel S32760 Pipe Fittings - Comparing International Standards

USA France Germany Germany Italy Japan Russia Spain Sweden UK European Union
AISI AFNOR DIN 17006 W.N. 17007 UNI JIS GOST UNE SIS BSI EURONORM
UNS31803 X 2 CrNiMoN 22 5 1.4462
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S32750 Duplex Steel Buttweld Pipe Fittings Supply in Below Countries

Products We Supplied Description Country
ASTM A815 S32750 Duplex Steel Barrel Nipple 1.4410 Barrel Nipple Egypt, Malaysia, France, Mexico
S32750 Duplex Steel Long Radius 90 Degree Elbow 6 Inch SAF Pipe Bend Netherlands, Belgium, Jordan, Venezuela, UK
S32750 Duplex Steel Seamless Elbow 8 Inch UNS S32750 Seamless Pipe Elbow Egypt, Morocco, Canada, Turkey, Germany
Duplex Steel S32750 Lap Joint Stub Ends UNS S32750 8 inch, SCH160 Concentric Reducer Supply UAE, Norway, Romania, Europe
Duplex S32750 5D Buttweld Elbow SCH 100, BW, 10 Inch, S32750 5D Elbow Indonesia, Vietnam, Saudi Arabia, Thailand
Duplex Steel S32750 Buttweld Concentric Reducer Schedule 40 ASTM A815 S32750 Piggable Bend Ellington -United States, Canada, Nigeria, Australia
Duplex Steel S32750 Piggable Bend 4 Inch, SCH 100S UNS S32750 Lap Joint Stub End Philippines, Kuwait, Taiwan, South Africa
Schedule 80 DSS S32750 Grade Long Stub End 2-1/2 INCH, SCH 40S DSS S32750 Pipe Tunisia, Ukraine, Colombia, Mongolia
Duplex Long Radius Bend 1/2 inch ASME SA815 S32750 Long Stub End Singapore, Uruguay, Maldives, Costa Rica, Finland

Common Application for S32750 Duplex Stainless Steel Pipe Fittings

Oil & Gas

Oil & Gas

Chemical Processing

Chemical

Power Generation

Power Generation

Aerospace

Aerospace

Heavy Equipment

Heavy Equipment

Automotive

Automotive

Shipbuilding

Shipbuilding

Construction

Construction

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