Super Duplex Steel Pipes, Super Duplex Stainless Steel Pipes, Super Duplex Steel Tubes, Super Duplex Tubes, Super Duplex Stainless Steel Tubes, Super Duplex Steel Tube, Super Duplex Steel Tube Suppliers, Super Duplex Steel Pipe.

Super duplex steel products, including super duplex seamless pipes and super duplex welded pipes, are known for their outstanding strength and resistance to corrosion. Made from a special alloy that blends ferritic and austenitic stainless steels, these pipes have higher levels of chromium and molybdenum than standard duplex steels, making them very durable in tough conditions.

They are especially useful in industries like oil and gas, chemical processing, and marine applications because they can handle corrosive elements and high pressures. Super duplex steel pipes are also easy to work with, which simplifies their fabrication and shaping.

These pipes are perfect for applications such as offshore platforms, heat exchangers, pipelines, and storage tanks. Their strong resistance to corrosion and high strength help them last longer and reduce maintenance costs, even in challenging environments.

Super Duplex Stainless Steel Pipe & Tubes Supplier

At Lakshya Steel, we provide top-quality super duplex steel pipes and tubes for a variety of industrial uses. Our super duplex pipes, including the UNS S32750 grade, are known for their strength, excellent corrosion resistance, and long life. Made from special alloys that blend ferritic and austenitic stainless steels, these pipes feature high levels of chromium and molybdenum, making them resistant to tough conditions. We offer both seamless and welded pipes in different sizes and shapes to meet industry standards.

These pipes are perfect for demanding environments like oil and gas extraction, chemical processing, and marine applications. They can handle high pressure and corrosive substances, with UNS S32750 providing great resistance to pitting and stress corrosion. Our super duplex tubes can also be customized for specific needs, such as desalination plants, offshore platforms, and heat exchangers. At Lakshya Steel, we focus on quality and performance, offering reliable solutions at competitive prices. Contact us today to find the right super duplex steel pipes and tubes for your projects.

Super Duplex Stainless Steel Pipe & Tubes Specification

Specifications ASTM A 789 ASME SA 789
Standard AISI, DIN, EN, GB, JIS, ASTM, ASME Super Duplex 2507 Pipe
2507 Seamless Pipe Outer Diameter 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
Alloy 2507 Welded Pipe size 5.0 mm – 1219.2 mm
2507 EFW Pipe size 5.0 mm – 1219.2 mm
Thickness 0.3mm – 50 mm
SS 2507 Seamless Tube Size 3.35 mm OD To 101.6 mm OD, 15 NB to 150 NB IN
2507 Welded Tube Size 6.35 mm OD To 152 mm OD
Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
DSS 2507 tubing wall thickness 0.020″ –0.220″ (special wall thicknesses available)
2507 Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Duplex 2507 Pipe & Tube Finish Polished, AP (Annealed & Pickled), MF, NO.1, NO.4, BA (Bright & Annealed), 2B, BA, HL, 8K, Mirror finish,etc
2507 Pipe & Tube Form Round, Hollow, Square,Rectangular, Hydraulic, Coiled, Straight Pipes, “U” Shape, Pan Cake Coils etc.
Super Duplex 2507 Pipe & Tube Length Single Random, Double Random, Standard & Cut length
2507 Pipe & Tube End Beveled End,Plain End, Treaded.
2507 Pipe & Tube Type 2507 Seamless / ERW/ Welded / Fabricated / EFW / CDW / DOM / CEW Pipes
Marking All 2507 Pipes are marked as follows: Grade, Standard, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Super Duplex 2507 Tube Application Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger
Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Specialized in Large Dia 2507 Pipe
2507 Capillary Tube & Other Odd Size 
2507 Super Duplex Heat Exchanger & Condenser Tubes
Material Test Certificates (MTC) Material Test Certificates (MTC) as per EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2, 100% Radiography Test Report, Raw Materials Certificate, Third Party Inspection Report, Fumigation Certificates, Heat Treatment Charts, 2507 Tubes HS Code Commercial Invoice, Form A for Generalized System of Preferences (GSP), Manufacturer Test Certificate , Laboratory Test Certificate from Govt. Approved Lab.
We can also cut, thread, and groove Super Duplex 2507 Pipes & Tubes  to meet your specifications.

Chemical Composition of Super Duplex Pipes

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex Steel S31803 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
Duplex Steel S32205 0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30 57.61 min
Super Duplex Steel S32760 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
Super Duplex Steel S32750 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 – 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

Mechanical Properties for Super Duplex Steel Pipe

Grade Tensile Strength Yield Strength Elongation Hardness, MAX
MPA MPA (% in 50mm) min HB HRB
2750/2760 795 550 15 310 32

Equivalent Grades of Super Duplex Stainless Steel Pipes

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205
Super Duplex 2750 1.4410 S32750 / S32760

Types of Super Duplex Stainless Steel Pipe & Tubes

Super Duplex Seamless Pipe & Tubing Super Duplex Steel Seamless Pipe & Tube
ASTM A789 Super Duplex Seamless Tubes ASTM A790 Super Duplex Seamless Pipes
Duplex ERW Pipe & Tube Super Duplex Steel EFW Welded Pipe & Tube
ASTM A790 Super Duplex Welded Pipes Super Duplex Welded Pipe & Tube
ASTM A789 Super Duplex Welded Tubes Super Duplex Steel Round Pipe
Super Duplex Round Pipe ASTM A790 Super Duplex Round Pipes
ASTM A789 Super Duplex Round Tubes Super Duplex Round Tubing
Super Duplex Steel Custom Pipe ASME SA790 Super Duplex Custom Pipes

Dimensions of Super Duplex Tubes

TUBE O.D. WALL THICKNESS (INCHES)
TUBE GAUGE
00 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
TUBE I.D.
0.380 0.340 0.300 0.284 0.259 0.238 0.220 0.203 0.180 0.165 0.148 0.134 0.120 0.109 0.095 0.083 0.072 0.065 0.058 0.049 0.042 0.035 0.032 0.028 0.025 0.022
1/4″ N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.010 0.032 0.060 0.084 0.106 0.120 0.134 0.152 0.166 0.180 0.186 0.194 0.200 0.206
3/8″ N/A N/A N/A N/A N/A N/A N/A N/A 0.015 0.045 0.079 0.107 0.135 0.157 0.185 0.209 0.231 0.245 0.259 0.277 0.291 0.305 0.311 0.319 0.325 0.331
1/2″ N/A N/A N/A N/A N/A 0.024 0.060 0.094 0.140 0.170 0.204 0.232 0.260 0.282 0.310 0.334 0.356 0.370 0.384 0.402 0.416 0.430 0.436 0.444 0.450 0.456
5/8″ N/A N/A 0.025 0.057 0.107 0.149 0.185 0.219 0.265 0.295 0.329 0.357 0.385 0.407 0.435 0.459 0.481 0.495 0.509 0.527 0.541 0.555 0.561 0.569 0.575 0.581
3/4″ N/A 0.070 0.150 0.182 0.232 0.274 0.310 0.344 0.390 0.420 0.454 0.482 0.510 0.532 0.560 0.584 0.606 0.620 0.634 0.652 0.666 0.680 0.686 0.694 0.700 0.706
7/8″ 0.115 0.195 0.275 0.307 0.357 0.399 0.435 0.469 0.515 0.545 0.579 0.607 0.635 0.657 0.685 0.709 0.731 0.745 0.759 0.777 0.791 0.805 0.811 0.819 0.825 0.831
1″ 0.240 0.320 0.400 0.432 0.482 0.524 0.560 0.594 0.640 0.670 0.704 0.732 0.760 0.782 0.810 0.834 0.856 0.870 0.884 0.902 0.916 0.930 0.936 0.944 0.950 0.956
1 1/8″ 0.365 0.445 0.525 0.557 0.607 0.649 0.685 0.719 0.765 0.795 0.829 0.857 0.885 0.907 0.935 0.959 0.981 0.995 1.009 1.027 1.041 1.055 1.061 1.069 1.075 1.081
1 1/4″ 0.490 0.570 0.650 0.682 0.732 0.774 0.810 0.844 0.890 0.920 0.954 0.982 1.010 1.032 1.060 1.084 1.106 1.120 1.134 1.152 1.166 1.180 1.186 1.194 1.200 1.206
1 1/2″ 0.740 0.820 0.900 0.932 0.982 1.024 1.060 1.094 1.140 1.170 1.204 1.232 1.260 1.282 1.310 1.334 1.356 1.370 1.384 1.402 1.416 1.430 1.436 1.444 1.450 1.456
1 3/4″ 0.990 1.070 1.150 1.182 1.232 1.274 1.310 1.344 1.390 1.420 1.454 1.482 1.510 1.532 1.560 1.584 1.606 1.620 1.634 1.652 1.666 1.680 1.686 1.694 1.700 1.706
2″ 1.240 1.320 1.400 1.432 1.482 1.524 1.560 1.594 1.640 1.670 1.704 1.732 1.760 1.782 1.810 1.834 1.856 1.870 1.884 1.902 1.916 1.930 1.936 1.944 1.950 1.956
2 1/4″ 1.490 1.570 1.650 1.682 1.732 1.774 1.810 1.844 1.890 1.920 1.954 1.982 2.010 2.032 2.060 2.084 2.106 2.120 2.134 2.152 2.166 2.180 2.186 2.194 2.200 2.206
2 1/2″ 1.740 1.820 1.900 1.932 1.982 2.024 2.060 2.094 2.140 2.170 2.204 2.232 2.260 2.282 2.310 2.334 2.356 2.370 2.384 2.402 2.416 2.430 2.436 2.444 2.450 2.456
2 3/4″ 1.990 2.070 2.150 2.182 2.232 2.274 2.310 2.344 2.390 2.420 2.454 2.482 2.510 2.532 2.560 2.584 2.606 2.620 2.634 2.652 2.666 2.680 2.686 2.694 2.700 2.706
3″ 2.240 2.320 2.400 2.432 2.482 2.524 2.560 2.594 2.640 2.670 2.704 2.732 2.760 2.782 2.810 2.834 2.856 2.870 2.884 2.902 2.916 2.930 2.936 2.944 2.950 2.956
3 1/4″ 2.490 2.570 2.650 2.682 2.732 2.774 2.810 2.844 2.890 2.920 2.954 2.982 3.010 3.032 3.060 3.084 3.106 3.120 3.134 3.152 3.166 3.180 3.186 3.194 3.200 3.206
3 1/2″ 2.740 2.820 2.900 2.932 2.982 3.024 3.060 3.094 3.140 3.170 3.204 3.232 3.260 3.282 3.310 3.334 3.356 3.370 3.384 3.402 3.416 3.430 3.436 3.444 3.450 3.456
3 3/4″ 2.990 3.070 3.150 3.182 3.232 3.274 3.310 3.344 3.390 3.420 3.454 3.482 3.510 3.532 3.560 3.584 3.606 3.620 3.634 3.652 3.666 3.680 3.686 3.694 3.700 3.706
4″ 3.240 3.320 3.400 3.432 3.482 3.524 3.560 3.594 3.640 3.670 3.704 3.732 3.760 3.782 3.810 3.834 3.856 3.870 3.884 3.902 3.916 3.930 3.936 3.944 3.950 3.956
4 1/4″ 3.490 3.570 3.650 3.682 3.732 3.774 3.810 3.844 3.890 3.920 3.954 3.982 4.010 4.032 4.060 4.084 4.106 4.120 4.134 4.152 4.166 4.180 4.186 4.194 4.200 4.206
4 1/2″ 3.740 3.820 3.900 3.932 3.982 4.024 4.060 4.094 4.140 4.170 4.204 4.232 4.260 4.282 4.310 4.334 4.356 4.370 4.384 4.402 4.416 4.430 4.436 4.444 4.450 4.456
4 3/4″ 3.990 4.070 4.150 4.182 4.232 4.274 4.310 4.344 4.390 4.420 4.454 4.482 4.510 4.532 4.560 4.584 4.606 4.620 4.634 4.652 4.666 4.680 4.686 4.694 4.700 4.706
5″ 4.240 4.320 4.400 4.432 4.482 4.524 4.560 4.594 4.640 4.670 4.704 4.732 4.760 4.782 4.810 4.834 4.856 4.870 4.884 4.902 4.916 4.930 4.936 4.944 4.950 4.956
5 1/4″ 4.490 4.570 4.650 4.682 4.732 4.774 4.810 4.844 4.890 4.920 4.954 4.982 5.010 5.032 5.060 5.084 5.106 5.120 5.134 5.152 5.166 5.180 5.186 5.194 5.200 5.206

Size Chart for Super Duplex Steel Tubing

Wall Thickness Monel Tube Sizes ( O.D.)
.010 1/16″ , 1/8″ , 3/16″
.020 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″
.012 1/8″
.016 1/8″ , 3/16″
.028 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″
.035 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.049 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.065 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″
.083 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″
.095 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.109 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.120 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″
.125 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″
.134 1″
.250 3″
.375 3 1/2″

410 Stainless Steel Fasteners Types

Pressure Rating for Super Duplex Steel Tubes

Tube O.D.
(in.)
Wall Thickness of Tube (inches)
.028 .035 .049 .065 .083 .095 .109 .120
Working Pressure (psig)
1/8 7900 10100
1/4 3700 4800 7000 9500
5/16 3700 5400 7300
3/8 3100 4400 6100
1/2 2300 3200 4400
3/4 2200 3000 4000 4600
1 2200 2900 3400 3900 4300

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

We Supply Our Super Duplex Stainless Steel Pipe & Tubes to various cities like Toronto, Al Khobar, Chandigarh, Haryana, Perth, Algiers, Ahvaz, Ulsan, Moscow, Istanbul, Howrah, Singapore, Ho Chi Minh City, Port-of-Spain, London, Rajkot, New York, New Delhi, Nagpur, Kuwait City, Karachi, Surat, Ernakulam, Gimhae-si, Granada, Kanpur, Kolkata, Lahore, Madrid, Visakhapatnam, Secunderabad, Bangkok, Mumbai, Coimbatore, Bogota, Milan, Tehran, Ranchi, Pimpri-Chinchwad, Montreal, Colombo, Bhopal, Seoul, Edmonton, Aberdeen, Caracas, Busan, Brisbane, Sydney, Calgary, Sharjah, Rio de Janeiro, Chennai, Chiyoda, Geoje-si, Jakarta, Thiruvananthapuram, Courbevoie, Riyadh, Indore, Jeddah, Hyderabad, Kuala Lumpur, Baroda, Ankara, Mexico City, Dubai, Gurgaon, Vung Tau, Lagos, Al Jubail, Melbourne, Los Angeles, Petaling Jaya, Bengaluru, Atyrau, Jamshedpur, Santiago, Hanoi, Thane, Pune, Doha, Faridabad, Vadodara, La Victoria, Muscat, Ludhiana, Jaipur, Navi Mumbai, Houston, Ahmedabad, Dammam, Manama, Nashik, Cairo, Abu Dhabi, Hong Kong, Dallas, Noida.

FAQs

Global Supplier of SS 441 Pipes & Tubing

What is super duplex tubing?

Super duplex tubing is a high-performance pipe made from a mix of stainless steels, known for its strength, corrosion resistance, and durability in harsh environments.

What grade is super duplex pipe?

The most common grade of super duplex pipe is UNS S32750. Another notable grade is UNS S32760.

What materials are used to make super duplex pipes?

Super duplex pipes are made from a mix of ferritic and austenitic stainless steels, with high chromium and molybdenum, offering great strength and corrosion resistance.

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