PROVIDING DUPLEX AND SUPER DUPLEX STEEL PRODUCTS SINCE 1975

The Duplex Steel & Alloys is a leading Duplex forged fittings manufacturer and a well-known Duplex 2205 forged fittings supplier in India. Our product comprises good weldability, tensile strength, and forming properties and is designed with national and international quality standards.

UNS S31803 Forged fittings are designed with a better composition of molybdenum, chromium, and nickel with other forms of alloy. This property gives them excellent corrosion resistance, pitting, crevice, and other reducing media. In annealed conditions, this alloy consists of 40–60 % ferrite. Duplex steel forged fittings are used for low-pressure and high-temperature services. After a hot working day, 2205 fittings need to be cooled at a specific temperature.

Duplex Forged Fittings, Duplex Steel Socket weld Fittings, Duplex Stainless Steel Threaded Pipe Fitting, DSS Forged Fittings, Duplex Steel Forged Fittings Suppliers in Mumbai, India.

Duplex Steel NPT Threaded Elbow, Duplex Threaded 90 Deg Elbow, DSS BSP Threaded Elbow, Duplex Stainless Steel Forged Fittings, Duplex Steel Forged Fittings Manufacturers in India.

Duplex Steel Forged Fittings

These duplex steel forged fittings show outstanding corrosion resistance to marine water in addition to different concentrations of ferric, sulfuric, and other organic acids. The S31803 alloy and UNS s32205 are nearly as strong and are durable for long periods. The UNS S31803 alloy avoids the cast loss effect which may occur during the melting process and this refines the microstructure of the product.

Applications of the UNS S31803 include piping, heat exchangers, oil field piping, pulp and paper mills, chemical process vessels, seawater valves, and pumps, food processing equipment, and marine fittings.

We offer a wide range of UNS S31803 after many years of experience, including Duplex forged Tees, Elbows, Caps, Nipples, Hex, Boss, Unions, Duplex forged socket weld fittings, Duplex threaded fittings, and Duplex forged street elbows.

Duplex Steel & Alloys Companies are well known for their superior quality products at a competitive price. A manufacturer with a specialty in machining builds components that can be customized as per the requirements of the client. At the time of delivery of the fittings, we sufficiently pack them to avoid rust and any damage.


Duplex Steel High Pressure Fittings Specifications

Specifications ASTM A182 / ASME SA182
Size 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Dimensions ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Types Socketweld Fittings, Screwed-Threaded Fittings
Pressure Rating Threaded End-2000lb/ 3000lb/ 6000lbs
Socket-weld End-3000/ 6000/ 9000lbs
Thread NPT, BSPT, BSPP
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Origin & Mills Japanese, Indian, USA, Korean, European, Ukraine, Russian
Specialized manufacturer of 90º Elbows, 45º Elbows, Tees, Cross, Couplings, Inserts, Caps, Nipples, and Unions, Forged Pipe Fittings, Socket Weld & Threaded, Equal Tees & Reducing Tees, 90° & 45° Elbows, Plugs
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 Steel Forged Pipe Fittings

Forged 90 Degree Elbow

Duplex Steel 90 Degree Socket Weld Elbow

Forged 45 Degree Elbow

Duplex Socket weld 45 Degree Elbow

Forged Tee

DSS Forged NPT Threaded Tee

Forged Cross

Duplex Steel Forged Cross

Half Coupling

Duplex Stainless Steel Half Coupling

Full Coupling

Duplex Steel Full Coupling

Forged Cap

Duplex Steel Forged Cap

Forged Union

ASTM A182 Duplex Forged Union

Forged Bushing

ANSI B16.11 Duplex Steel Forged Bushing

Forged Plug

ASME SA182 DSS Forged Plug

Forged Nipple

Duplex Stainless Steel Forged Nipple

Swage Nipple

Duplex Steel Swage Nipple

Street Elbow

Duplex Steel Street Elbow

Short Stub End

Duplex Steel Socket Weld Reducer Insert

Welding Boss

ASME B16.11 Duplex Steel Welding Boss

DSS Threaded Fittings Manufacturer, ASTM A182 Duplex Steel Socket weld Fittings, Duplex Steel Coupling, Duplex Forged Elbow, Duplex Screwed Fittings Suppliers in Mumbai.

If you are looking for best prices for Duplex Steel Forged Fittings, DSS BSP Elbow, Duplex Union email us on info@duplexsteelalloys.com or call us on +91 9664408767

Duplex Steel Forged Fittings Price List

Product Price
Custom Size 2000 LB, 1 1/2 Inch DSS Socket Weld Elbow Price US $ 0.5-1.0 / Piece
ASME B16.11 Duplex Forged Socket weld Fittings Price US $ 1.00-4000.0 / Piece
Duplex Steel Threaded Hex Nipple Price List US $ 3.0-50.0 / Piece
NPS 1/2 to 2 Duplex Steel Union Male x Female Price US $ 2.5-60.0 / Piece
ANSI B16.11 Duplex Steel 6 inch Forged Cap Price US $ 1-2000 / Piece
Duplex Stainless Steel BSP Fittings US $ 1.2 / Piece
ASTM A182 Duplex Forged Pipe Fittings Price US $ 00.1-40 / Piece
ASME SA 182 Duplex Steel Screwed Pipe Fittings 150lb Price List US $ 3.0-50.0 / Piece
Duplex Steel End Cap Price List US $ 3.87 / Piece

DSS Forged Pipe Fittings Dimensions

DN NPS Center to End
NPT Elbow, NPT Tee, NPT Cross
A
Center to End
45 Deg Elbow
C
O.D.
of Band
H
Min. Wall
Thick. G
Length of
Thread.
Minimum (1)
Class 2000 Class 3000 Class 6000 Class 2000 Class 3000 Class 6000 Class 2000 Class 3000 Class 6000 Class 2000 Class 3000 Class 6000 B L2
6 1/8 21 21 25 17 17 19 22 22 25 3.18 3.18 6.35 6.4 6.7
8 1/4 21 25 28 17 19 22 22 25 33 3.18 3.30 6.60 8.1 10.2
10 3/8 25 28 33 19 22 25 25 33 38 3.18 3.51 6.98 9.1 10.4
15 1/2 28 33 38 22 25 28 33 38 46 3.18 4.09 8.15 10.9 13.6
20 3/4 33 38 44 25 28 33 38 46 56 3.18 4.32 8.53 12.7 13.9
25 1 38 44 51 28 33 35 46 56 62 3.68 4.98 9.93 14.7 17.3
32 1-1/4 44 51 60 33 35 43 56 62 75 3.89 5.28 10.59 17.0 18.0
40 1-1/2 51 60 64 35 43 44 62 75 84 4.01 5.56 11.07 17.8 18.4
50 2 60 64 83 43 44 52 75 86 102 4.27 7.14 12.09 19.0 19.2
65 2-1/2 76 83 95 52 52 64 92 102 121 5.61 7.65 15.29 23.6 28.9
85 3 86 95 106 64 64 79 109 121 146 5.99 8.84 16.64 25.9 30.5
100 4 106 114 114 79 79 79 146 152 152 6.55 11.18 18.67 27.7 33.0
DN NPS End to End
Couplings
W
End to End
Caps
P
O.D. D End Wall
Thick.
G Minimum
Length of
Thread.
Minimum (1)
Class 3000&Class 6000 Class 3000 Class 6000 Class 3000 Class 6000 Class 3000 Class 6000 B L2
6 1/8 32 19 16 22 4.8 6.4 6.7
8 1/4 35 25 27 19 25 4.8 6.4 8.1 10.2
10 3/8 38 25 27 22 32 4.8 6.4 9.1 10.4
15 1/2 48 32 33 28 38 6.4 7.9 10.9 13.6
20 3/4 51 37 38 35 44 6.4 7.9 12.7 13.9
25 1 60 41 43 44 57 9.7 11.2 14.7 17.3
32 1-1/4 67 44 46 57 64 9.7 11.2 17.0 18.0
40 1-1/2 79 44 48 64 76 11.2 12.7 17.8 18.4
50 2 86 48 51 76 92 12.7 15.7 19.0 19.2
65 2-1/2 92 60 64 92 108 15.7 19.0 23.6 28.9
80 3 108 65 68 108 127 19.0 22.4 25.9 30.5
100 4 121 68 75 140 159 22.4 28.4 27.7 33.0

Duplex Steel Forged Fitting Pressure Rating

ASME B16.11 Pressure-Temperature
Temperature Class
150 300
1/4 - 1 inch. 1 1/4 - 2 inch. 2 1/2 - 3 inch.
(oF) (oC)
-20 to 150 -29 to 66 300 2000 1500 1000
200 93 265 1785 1350 910
250 121 225 1575 1200 825
300 149 185 1360 1050 735
350 177 150 1150 900 650
400 204 - 935 750 560
450 232 - 725 600 475
500 260 - 510 450 385
550 288 - 300 300 300

Duplex Steel Forged Fitting Tolerance Chart

ANSI B16.11 American Standard Dimensional Tolerances
"A" - Threaded Center To Bottom For Size
1/8" And 1/4"
± 0.03"
3/8", 1/2" And 3/4" ± 0.06"
1", 1-1/4", 1-1/2" And 2" ± 0.08"
2-1/2", 3", And 4" ± 0.10"
"B" - Threaded Bore Diameter For Size
1-1/2" And Smaller
+ 0.020"
- 0.000"
2", 2-1/2", 3" And 4" + 0.025"
- 0.000"
"C" - Threaded Wall Thick. Min. = 1.09 T (But Not Less Than 5/32")
T = Wall Thickness Of Nominal Pipe Sizes
"D" - Bore Diameter Of Pipe Fitting For Size
2" And Smaller
± 0.030"
2-1/2", 3" And 4" ± 0.060"
"E" - Threadeds- Bottom To Bottom - Full Couplings For Size
1/8" And 1/4"
± 0.06"
3/8", 1/2" And 3/4" ± 0.12"
1", 1-1/4", 1-1/2" And 2" ± 0.16"
2-1/2", 3", And 4" ± 0.20"
"F" - Bottom Of Threaded To Opposite Face - ANSI B16.11 Half Couplings For Size
1/8" And 1/4"
± 0.03"
3/8", 1/2" And 3/4" ± 0.06"
1", 1-1/4", 1-1/2" And 2" ± 0.08"
2-1/2", 3", And 4" ± 0.10"
"G" - Gap Of Welding Approx. 0.06"
Before Welding Recommended Gap
"H" - Min. Flat Min. Flat = 0.75 X Min.
Threaded Wall Thick.

Ask Free Sample of Duplex Steel Forged Elbow, Tee, Coupling, Union Please Call +91 9664408767

Widest Range of Duplex Steel Forged Fittings in Mumbai, India.

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Tests of ASTM A182 Duplex Steel Forged Pipe Fittings

Before being prepared for shipment to the customer, ASTM A182 Duplex Stainless Steel Threaded Forged Fittings Testing should be constructed in accordance with applicable standards and thoroughly tested for potential flaws.

Hardness Test

Hardness Test

PMI Testing

PMI Testing

Ultrasonic Testing

Ultrasonic Testing

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Duplex Steel Forged Pipe Fittings Supply in Below Countries

Products We Supplied Description Country
Duplex Steel Forged 90° Elbow Duplex 2000 LB, 1 1/2 Inch 90 Deg Elbow Supply Romania, Europe, UAE, Norway
Duplex Forged Unequal Tee 1/2 Inch, ASME B16.11 DSS Socket Weld Tee Indonesia, Thailand, Vietnam, Saudi Arabia
Duplex Stainless Steel Threaded Equal Tee 4 Inch Duplex NPT Threaded Tee Ellington -United States, Australia, Nigeria, Canada
Duplex Steel Forged Socket Weld Elbow 3 Inch ASME B16.11 DSS SW Elbow South Africa, Taiwan, Kuwait, Philippines
ASTM A182 Duplex Steel Socket weld Reducing Tee Duplex CL3000, DN25, B16.11, Socket Reducing Tee Mexico, France, Malaysia, Egypt
DSS Forged Pipe Coupling 3000#, 4 Inch, Threaded Duplex Pipe Coupling Jordan, Belgium, Netherlands, Venezuela, UK
Duplex Steel NPT Threaded Pipe Fittings 8 Inch Duplex Forged Threaded Fittings Tunisia, Ukraine, Colombia, Mongolia
Duplex Stainless Steel Socket weld Half Coupling 2-1/2 INCH 3000 LB 1/2 SW Half Coupling Canada, Egypt, Germany, Turkey, Morocco
Duplex Screwed Bushing 1/2 inch ASME SA182 Duplex Threaded Bushing Finland, Uruguay, Costa Rica, Maldives, Singapore

Common Application for Duplex Forged 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