Duplex Steel S31803 Flanges Manufacturer

Katariya Steel is one of the leading providers of an extensive array of Duplex Steel S31803 Flanges to our clients. They are obtainable in a wide variety of choices in industry material grades. These are carefully reviewed according to their features and quality by our capable quality specialists to ensure their smooth finish & sturdiness. They are obtainable in welded method finish. Our customers can avail these fittings from us at reasonable prices. They are industrialized by using the Cold drawn / Hot rolled technique. The surface finish can be customized according to the needs of the client. Katariya Steel Distributors also offer these products in customized sizes and shapes to the clients.

Duplex Steel S31803 Flanges, Duplex S31803 Pipe Flanges, Duplex Steel S31803 Plate Flange, UNS S31803 Flanges, 1.4462 Flat Face Flanges, ASTM A182 S31803 Duplex Steel Flanges, Duplex Stainless Steel S31803 Flanges, ANSI B16.5 Duplex Steel S31803 Flanges Manufacturer in Mumbai, India.

When compared to Ferritic stainless-steel grades, Duplex Steel S31803 Flanges have much greater toughness and ductility. The corrosion resistance of a metal or alloy, like with all stainless steel grades, is primarily determined by the composition of the metal, in this case, Duplex steel. The presence of elements like chromium, molybdenum, and nitrogen is thought to be the most essential for resistance to chloride pitting and crevice corrosion. Duplex Steel S31803 Flanges have an increased range of corrosion resistance due to the addition of these components. As a result, it is recommended to employ this Duplex Steel S31803 Flanges in many applications since its corrosion resistance range is similar to that of austenitic stainless steel grades, i.e. from Type 304 or 316 to stainless steels with 6% molybdenum. Another reason we recommend choosing Duplex Steel S31803 Flanges is that they have excellent stress corrosion cracking resistance. Duplex Steel S31803 Flange has inherited this feature from the Ferritic side of the stainless steel. For common austenitic stainless steel grades such as Types 304 and 316, Stress Corrosion Cracking could be a concern in specific conditions such as humidity, increased temperature, or environments containing certain chemicals such as chlorides. As a result, Duplex Steel S31803 Flanges are frequently used in industries like oil and gas, petrochemicals, and marine.

Duplex Steel S31803 Raised Face Flange, Duplex S31803 Slip On Flanges, Duplex S31803 Long Weld Neck Flange, Duplex Steel S31803 Reducing Flange, Duplex Steel S31803 WNRF Flange, DSS S31803 Socket Weld (SWRF) Flanges, DSS S31803 Threaded Flange, Duplex Steel S31803 Flanges Supplier in India.

Specification For Duplex Steel S31803 Flanges

Specifications ASTM A182 / ASME SA182
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2" (15 NB) to 48" (1200NB)
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Equivalent Grades Of Duplex Steel S31803 Flanges

STANDARD WERKSTOFF NR. UNS
Duplex Steel S31803 1.4462 S31803

Duplex Steel S31803 Flanges 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

S31803 Duplex Flanges Mechanical Properties

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

Ready Stock Of Duplex Steel S31803 Flanges Supplier

  • ASME B16.5 Duplex Steel S31803 Flanges
  • Duplex Steel S31803 Male & Female Flanges
  • Duplex 1.4462 1500 LBS Screwed Flanges
  • S31803 DSS Weldo Flanges
  • S31803 Duplex Steel 150 LBS Threaded Flanges
  • S31803 Duplex Steel Spectacle Blind Flanges
  • S31803 Duplex Steel BS Standard Table E
  • Grades S31803 Duplex Steel Flanges
  • DSS S31803 Long Welding Neck Flange
  • Duplex Steel S31803 Flat Face Flanges
  • ASTM A182 S31803 Duplex Steel Flange
  • Type S31803 Duplex Steel Threaded Flange
  • S31803 Duplex British Standard Table D Pipe Flanges
  • DSS S31803 Nipo Flanges
  • Duplex Steel S31803 Loose Flanges
  • Duplex Gr S31803 Industrial Lap Joint Flanges
  • Duplex S31803 NPT Thread Flanges
  • S31803 Duplex Steel High Hub Blind Flanges
  • S31803 Duplex Steel Spades Ring Spacers Flanges
  • Duplex Steel S31803 BSP Thread Flange

Duplex Steel S31803 Flanges Weight Chart

15mm (1/2″) Duplex Steel S31803 Flanges Weight Chart

Pipe Normal Diam.
O.D. Flange 
Thk. Of Flange Min 
Diam.
of
Hub 
Diameter of Raised Face 
Length Hub.Y
Thread Length
Diam. 
of Bolt
Circle
Diam. 
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG
LB
inch
dn
O
C
X
G
Y
T
BC
BH
BN
BD
1/2″
15
89.00
11.20
30.20
35.10
15.70
15.70
60.50
15.80
4
1/2″
0.4
0.9
3/4″
20
98.50
12.70
38.10
42.90
15.70
15.70
69.90
15.80
4
1/2″
0.7
1.5
1″
25
108.00
14.20
49.30
50.80
17.50
17.50
79.30
15.80
4
1/2″
0.8
1.8
1-1/4″
32
117.50
15.70
58.70
63.50
20.60
20.60
88.90
15.80
4
1/2″
1.2
2.6
1-1/2″
40
127.00
17.50
65.00
73.20
22.40
22.40
98.60
15.80
4
1/2″
1.5
3.3
2″
50
152.50
19.10
77.70
91.90
25.40
25.40
120.70
19.10
4
5/8″
2.3
5.1
2-1/2″
65
178.00
22.40
90.40
104.60
28.40
28.40
139.70
19.10
4
5/8″
3.7
8.1
3″
80
190.50
23.90
108.00
127.00
30.20
30.20
152.40
19.10
4
5/8″
4.1
9
3-1/2″
90
216.00
23.90
122.20
139.70
31.80
31.80
177.80
19.10
8
5/8″
5.1
11.2
4″
100
228.50
23.90
134.90
157.20
33.30
33.30
190.50
19.10
8
5/8″
5.9
13
5″
125
254.00
23.90
163.60
185.70
36.60
36.60
215.90
22.40
8
3/4″
7
15.4
6″
150
279.50
25.40
192.00
215.90
39.60
39.60
241.30
22.40
8
3/4″
8.4
18.5
8″
200
343.00
28.40
246.10
269.70
44.50
44.50
298.50
22.40
8
3/4″
13
28.6
10″
250
406.50
30.20
304.80
323.90
49.30
49.30
362.00
25.40
12
7/8″
18
39.5
12″
300
482.50
31.80
365.30
381.00
55.60
55.60
431.80
25.40
12
7/8″
29
64
14″
350
533.50
35.10
400.10
412.80
57.20
57.20
476.30
28.50
12
1″
39
86
16″
400
597.00
36.60
457.20
469.90
63.50
63.50
539.80
28.50
16
1″
47
103
18″
450
635.00
39.60
505.00
533.40
68.30
68.30
577.90
31.80
16
1 1/8″
57
126
20″
500
698.50
42.90
558.80
584.20
73.20
73.20
635.00
31.80
20
1 1/8″
76
167
24″
600
813.00
47.80
663.40
692.20
82.60
82.60
749.30
35.10
20
1 1/4″
97
214

Duplex Steel S31803 Pipe Flange Dimensions

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)
  • ASME B1.20.1, Pipe Threads, General Purpose
  • ASME B16.1, Cast Iron Pipe Flanges Classes 25, 125 and 250
  • ASME B16.5, Flanges NPS 1/2 Through NPS 24
  • ASME B16.11, Forged Fittings, Socket Welding and Threaded
  • ASME B16.25, Buttwelding Ends
  • ASME B16.36, Orifice Flanges
  • ASME B16.47, Large Diameter Steel Flanges NPS 26 Through NPS 60
  • ASME B31.1, Power Piping
  • ASME B31.3, Process Piping
  • ASME B46.1, Surface Texture (Surface Roughness, Waviness, and Lay)

S31803 Duplex Steel Flanges Pressure Rating

ANSI/ASME B16.34 PRESSURE RATING CHART
Temperature °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 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230

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Duplex Steel S31803 Flanges Applications and Uses

Aerospace Industry

Oil & Gas Industry

Petrochemical Industry

Construction Industry

Mining Industry

Domestic Supply of Duplex Steel S31803 Flanges

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

International Supply of Duplex Steel S31803 Flanges

  • India India
  • Japan Japan
  • Russia Russia
  • United States United States
  • Saudi Arabia Saudi Arabia
  • Kuwait Kuwait
  • Singapore Singapore
  • Malaysia Malaysia
  • Germany Germany
  • Italy Italy
  • China China
  • UK UK
  • Canada Canada
  • Iran Iran
  • Thailand Thailand
  • South Korea South Korea
  • Turkey Turkey
  • Morocco Morocco
  • Costa Rica Costa Rica
  • Kazakhstan Kazakhstan
  • Philippines Philippines
  • Egypt Egypt
  • Vietnam Vietnam
  • Oman Oman
  • Australia Australia
  • Qatar Qatar
  • Portugal Portugal
  • Mexico Mexico
  • Brazil Brazil
  • France France
  • South Africa South Africa
  • Jordan Jordan
  • Spain Spain
  • Hong Kong Hong Kong
  • Netherlands Netherlands
  • Indonesia Indonesia
  • Taiwan Taiwan
  • Nigeria Nigeria
  • Bangladesh Bangladesh
  • Iraq Iraq
  • Ukraine Ukraine
  • Poland Poland
  • Romania Romania
  • Cyprus Cyprus
  • Angola Angola
  • Colombia Colombia
  • Norway Norway
  • Chile Chile
  • Tobago Tobago
  • Greece Greece
  • Czechia Czechia
  • Belgium Belgium
  • Sri Lanka Sri Lanka
  • Myanmar Myanmar
  • Venezuela Venezuela

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