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Super Duplex Pipe Fittings

Duplex Steel Pipe Fittings - Product Overview

Hars Tubes Fittings is a trusted manufacturer, supplier, and exporter of high-performance Duplex Steel Pipe Fittings available in all ASTM-grade duplex and super duplex materials. We offer seamless and welded duplex fittings specially engineered for superior strength, corrosion resistance, chloride stress-cracking resistance, and leak-proof operation in highly demanding applications. Our duplex fittings offer excellent dimensional accuracy, fatigue strength, and long service life—widely used in industries such as Offshore Oil & Gas, Petrochemical, Desalination Plants, Chemical Processing, Marine, Power Generation, and Refineries. Every product is manufactured in compliance with ASME, ANSI, DIN & EN international standards, ensuring maximum quality, safety, and long-term reliable performance.

Super Duplex Steel Pipe Fittings

Super Duplex Steel Pipe Fittings – Grades & Specifications

Specifications : ASTM A815 / ASME SA815 – UNS S32750, UNS S32760 (Super Duplex)

Types : Elbows (45° / 90°), Tee, Reducer, End Cap, Stub End, Cross, Pipe Nipples

Size Range : 1/2" (15 NB) to 48" (1200 NB)

Schedule : Sch 10, Sch 20, Sch 40, Sch 80, Sch 160, XXS

Standards :

ASME B16.9, ASME B16.11, MSS-SP-75, MSS-SP-43

Ends : Beveled Ends (BE), Plain Ends (PE), Threaded Ends

We Specialize In : Super Duplex Butt-Weld Fittings, Socket Weld Fittings, Screwed Fittings, High-Pressure Offshore Super Duplex Pipe Fittings

Slip On Flanges

Alloy 2205 Elbow

Weld Neck Flanges

Uns S31803 Tee

Blind Flanges

ASTM A815 Duplex 2205 Reducer

For the Latest Super Duplex Steel Pipe Fittings Price List – Click Here

Super Duplex Stainless Steel Pipe Fittings

Super Duplex Pipe Fittings Standards

  • ASTM A815
  • ASME SA815

ASTM A815 Super Duplex Sizes

  • Welded Fittings: 1/2″ – 48″
  • Seamless Fittings: 1/2″ – 10″
  • Schedule: SCH 5 – SCH 160, XXS

Alloy 2507 Butt Weld Pipe Fittings Form

  • Elbow
  • Tee
  • Reducer
  • Cap

UNS S32750 Reducer Process

  • Welded
  • Seamless
  • Fabricated

SAF 2507 Stub End Origin

  • India
  • European
  • Korean
  • American

Super Duplex 2507 Pipe Fittings Finish

  • Polished
  • Pickled

Super Duplex Stainless Steel Pipe Fittings Application

  • Oil and Gas Industry
  • Marine Applications
  • Power Generation
  • Chemical Processing Industry

ANSI B16.9 2507 Duplex Short Radius Elbow Testing

  • PMI Test
  • NDT Test
  • HIC Tested
  • Ultrasonic Test

Super Duplex 2507 Pipe Fittings Features

  • Manufacturing Process
  • High Strength
  • Corrosion Resistance
  • Testing Standards

Size Range of DIN 1.4410 Pipe Fitting

  • Super Duplex Pipe Fittings Manufacturer in India supplying various grades and custom sizes.
  • Super Duplex SS UNS S32750 Seamless ButtWeld Fittings : 1/2 – 10 inch
  • Super Duplex UNS S32750 Welded Pipe Fittings : 1/2″ – 48″
  • Super Duplex 2507 Pipe Fittings : ½” NB to 24″ NB

A815 S32750 Weld Fittings Schedule Chart

NPS Weight per Meter (kg) OD in mm WT in mm
1/2in 2.7 21.3 2.77
2in 8.2 60.3 5.08
18in 84.5 457.2 10.16
20in 96.0 508.0 10.31
3in 12.1 88.9 6.35
4in 15.6 114.3 6.55
1 1/2in 6.2 48.3 4.78
6in 22.5 168.3 7.11
3/4in 3.3 26.7 2.87
1in 4.3 33.4 3.38
12in 52.5 323.8 9.27
14in 62.8 355.6 9.53
8in 31.2 219.1 7.92
10in 40.5 273.0 8.56
16in 74.0 406.4 9.91

Super Duplex Pipe Fittings Types

Slip On Flanges

Super Duplex Equal Tee

Weld Neck Flanges

ANSI B16.9 2507 Duplex Straight Crosses

Blind Flanges

UNS S32760 Lateral Tee

Screwed Threaded Flanges

Super Duplex S32760 Seamless Buttwelding 180° Returns

Socket Weld Flanges

ASME SA 815 Duplex Pipe Long Stub End

Lap Joint Flanges

DIN 16963 Super Duplex SS S3275 Long Radius Bend

Long Weld Neck Flanges

ASME SA815 SDSS Welded Elbows

Ring Type Joint Flanges

UNS S32750 Duplex Steel Reducers

Spectacle Blind Flanges

UNS S32760 End Cap

SDSS Stub End Weight Chart

Product range and theoretical weights (kg)
DN Schedule 40S Schedule 80S Schedule 10S
900 Elbow 450 Elbow Equal tee 900 Elbow 450 Elbow Equal tee 900 Elbow 450 Elbow Equal tee
8 0.03 0.02 0.06 0.04 0.03 0.07 0.02 0.01 0.03
10 0.03 0.02 0.03 0.06 0.04 0.09 0.03 0.02 0.05
15 0.08 0.04 0.1 0.1 0.05 0.14 0.06 0.03 0.09
50 0.7 0.4 1.28 0.91 0.59 1.59 0.5 0.25 0.85
20 0.08 0.04 0.17 0.11 0.05 0.2 0.07 0.03 0.13
25 0.15 0.11 0.29 0.22 0.14 0.38 0.14 0.08 0.28
32 0.26 0.17 0.59 0.4 0.23 0.68 0.23 0.11 0.49
40 0.4 0.23 0.86 0.51 0.29 1.02 0.3 0.17 0.68
65 1.4 0.77 2.19 1.81 0.99 3.13 0.85 0.48 1.41
100 4.47 2.09 5.27 6.18 2.81 7.71 2.1 1.08 3.46
150 10.89 5.44 10.99 16.32 8.16 13.61 5.45 2.72 8.07
200 21.54 10.77 20.91 33.11 16.56 28.12 10.2 5.33 15.65
80 2.2 1.08 3.31 2.97 1.5 4.45 1.25 0.63 1.77
90 2.83 1.42 4.08 4 2 5.44 1.7 0.75 2.67
250 38.56 19.27 35.38 51.71 25.86 49.9 18.15 9.75 26.46
300 59.42 29.71 62.14 79.38 39.69 83.91 25.8 13.62 39.46

UNS S32507 Reducing Elbow Heat Treatment

Heat Treatment Process Temperature Range
Stress Relieving 550°C – 650°C (1022°F – 1202°F)
Post Weld Heat Treatment (PWHT) Below 300°C (572°F)
Solution Annealing 1040°C – 1100°C (1904°F – 2012°F)
Pickling and Passivation Room temperature

ASME B16.9 SDSS Pipe Fitting Dimensions Chart

NPS OD END TO END
Inch D H P
2 1/2 * 2 73 89 60.03
2 1/2 * 1 1/2 73 89 48.03
2 1/2 * 1 1/4 73 89 42.02
2 1/2 * 1 73 89 33.04
3 * 2 1/2 88.09 89 73
3 * 2 88.09 89 60.03
3 1/2 * 2 101.06 102 60.03
3 1/2 * 1 1/2 101.06 102 48.03
4 * 2 1/2 114.03 102 73
1 * 1/2 33.04 51 21.03
1 1/4 * 1 42.02 51 33.04
1 1/4 * 1/2 42.02 51 21.03
1 1/2 * 1 1/2 48.03 64 42.02
1 1/2 * 1/2 48.03 64 21.03
1 1/2 * 1 48.03 64 33.04
2 * 3/4 60.03 76 26.07
4 * 2 114.03 102 60.03
4 * 1 1/2 114.03 102 48.03
5 * 4 141.03 127 114.03
5 * 2 141.03 127 60.03
UNS S31803 Tee Corrosion Resistance

Dimension Table of Super Duplex Pipe Fittings

Nominal Outside 45° Elbows 180° Returns 90° Elbows
Pipe Diameter
Size
(inches) Long Radius Long Radius Long Radius Short Radius
(mm) (inches) Center to Face Radius Center to Center Back to face Center to Face Center to Face
(inches) (inches) (inches) (inches) (inches) (inches)
1/2 21.3 0.84 8-May 2 1 7/8 1 1/2 –
3/4 26.7 1.05 16-Jul 2 1/4 1 11/16 1 1/8 –
1 33.4 1.315 8-Jul 3 2 3/16 1 1/2 1
1 1/4 42.2 1.66 1 3 3/4 2 3/4 1 7/8 1 1/4
1 1/2 48.3 1.9 1 1/8 3 4 1/2 3 1/4 2 1/4 1 1/2
2 60.3 2.375 1 3/8 4 6 4 3/16 3 2
2 1/2 73 2.875 1 3/4 5 7 1/2 5 3/16 3 3/4 2 1/2
3 88.9 3.5 2 6 9 6 1/4 4 1/2 3
3 1/2 101.6 4 2 1/4 7 10 1/2 7 1/4 5 1/4 3 1/2
4 114.3 4.5 2 1/2 8 12 8 1/4 6 4
5 141.3 5.563 3 1/8 10 15 10 5/16 7 1/2 5
6 168.3 6.625 3 3/4 12 18 12 5/16 9 6
8 219.1 8.625 5 12 24 16 5/16 12 8
10 273.1 10.75 6 1/4 15 30 20 3/8 15 10
12 323.9 12.75 7 1/2 18 36 24 3/8

 18 12

DIN 1.4410 Pipe Fittings Dimensions

Nominal Straight Crosses Caps Straight Tees Stub Ends Outside
Pipe Diameter
Size
(inches) Center to End Length Center to End Lap Diameter Long Length Short Length (mm) (inches)
(inches) (inches) (inches) (inches) (inches) (inches)
1/2 – 1 1 1 3/8 3 2 21.3 0.84
3/4 – 1 1 1/8 1 11/16 3 2 26.7 1.05
1 1 1/2 1 1/2 1 1/2 2 4 2 33.4 1.315
3 3 3/8 2 3 3/8 5 6 2 1/2 88.9 3.5
1 1/4 1 7/8 1 1/2 1 7/8 2 1/2 4 2 42.2 1.66
1 1/2 2 1/4 1 1/2 2 1/4 2 7/8 4 2 48.3 1.9
2 2 1/2 1 1/2 2 1/2 3 5/8 6 2 1/2 60.3 2.375
2 1/2 3 1 1/2 3 4 1/8 6 2 1/2 73 2.875
3 1/2 3 3/4 2 1/2 3 3/4 5 1/2 6 3 101.6 4
4 4 1/8 2 1/2 4 1/8 6 3/16 6 3 114.3 4.5
5 4 7/8 3 4 7/8 7 5/16 8 3 141.3 5.563
6 5 5/8 3 1/2 5 5/8 8 1/2 8 3 1/2 168.3 6.625
8 7 4 7 10 5/8 8 4 219.1 8.625
10 8 1/2 5 8 1/2 12 3/4 10 5 273.1 10.75
12 10 6 10 15 10 6 323.9 12.75

DSS 2507 Weldable Pipe Fittings Standards

Japan Standard (JIS) Germany Standards (DIN) Europe Standards (EN)
JIS B2312 DIN 2605-1 (Elbow) EN 10253-2
JIS B2313 DIN 2617 (Caps) EN 10253-4
DIN 2615-1/2 (Tee)
DIN 2616-2 (Concentric)
DIN 2616-1 (Eccentric)
DIN 2605-2 (Elbow)

ASME SA815 Super Duplex Butt Weld Pipe Fittings Pressure Rating Chart

Super Duplex 2507 Pipe Fittings Pressure Rating (psig)
NPS
(inch)		 OD
(inch)		 Pipe Sch. Wall
Thick.
(in)		 Temp.
200 Fitting 100 Fitting 400 Fitting 300 Fitting 500 Fitting
Allowable Stress (Pressure Rating)
16700 16700 15500 16700 14400
2in 2.0375 40,80,160 0.0154 1371 1371 1272 1371 1182
2.0375 0.0218 1985 1985 1843 1985 1712
2.0375 0.0344 3283 3283 3047 3283 2831
1 1/2in 1.0900 0.0145 1629 1629 1512 1629 1404
1.0900 0.0200 2303 2303 2138 2303 1986
1.0900 0.0281 3362 3362 3120 3362 2899
4in 4.0500 0.0237 1102 1102 1023 1102 950
4.0500 0.0337 1596 1596 1482 1596 1377
4.0500 0.0531 2611 2611 2424 2611 2552
5in 5.0563 0.0258 965 965 896 965 832
5.0563 0.0375 1428 1428 1325 1428 1231
5.0563 0.0625 2474 2474 2296 2474 2133
8in 8.0625 0.0322 771 771 716 771 665
8.0625 0.0500 1218 1218 1131 1218 1050
8.0625 0.0906 2298 2298 2133 2298 1982
6in 6.0625 0.0280 877 877 814 877 756
6.0625 0.0432 1379 1379 1280 1379 1189
6.0625 0.0719 2382 2382 2211 2382 2054

ASME SA815 Super Duplex Butt Weld Pipe Fittings Pressure Rating Chart

Center to End LR (A/B) 2 2 2 2
Nominal Pipe Size 32 to 48 10 to 18 26 to 30 20 to 24
Outside Diameter,
at Bevel (D)		 + 6.04,
– 4.08		 + 4,
– 3.02		 + 6.04,
– 4.08		 + 6.04,
– 4.08
Outside Diameter,
at Bevel (D)		 + 2.04,
– 1.06		 + 1.06,
– 0.08		 1.06 1.06
Nominal Pipe Size 5 to 8 1/2 to 2½ 4 3 to 3½
Center to End LR (A/B) 5 2 3 2
Center to End 3D (A/B) 3 3 3 3
Inside Diameter at End 1.06 0.08 1.06 1.06
Inside Diameter at End + 6.04,
– 4.08		 3.02 + 6.04,
– 4.08		 4.08
Center to End 3D (A/B) 6 3 6 3

Other Related Super Duplex Pipe Fittings

  • Super Duplex Elbow Manufacturers in India
  • Super Duplex Tee Manufacturers in India
  • Super Duplex Reducer Manufacturers in India
  • Super Duplex Cap Manufacturers in India
  • Super Duplex Stub End Manufacturers in India
  • Super Duplex Cross Manufacturers in India
  • Super Duplex Long Radius Bend Manufacturers in India

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