Super Duplex Steel Pipes & Tubes
Super Duplex Steel Pipes & Tubes are engineered for superior corrosion resistance, exceptional mechanical strength, and long service life in highly aggressive environments. USA Piping Solution is one of the leading super duplex pipe suppliers in USA and India, offering premium quality super duplex stainless steel pipe, super duplex steel pipe, and super duplex tubing in seamless and welded forms.
Our range of Super Duplex Steel Pipes & Tubes includes UNS S32750 and UNS S32760 grades manufactured according to international standards for oil & gas, offshore, marine, desalination, and chemical processing industries. We maintain ready stock of super duplex pipe in multiple sizes, wall thicknesses, and schedules to meet urgent project requirements.
Super Duplex Steel Pipes & Tubes are widely used where high chloride resistance, pitting resistance and stress corrosion cracking resistance are critical. With a PREN value above 40, these super duplex stainless steel pipes offer significantly higher corrosion resistance compared to conventional austenitic stainless steels.
Super Duplex Stainless Steel Pipes & Tubes Products
We are a leading manufacturer, exporter and one of the trusted super duplex pipe suppliers offering Super Duplex 2507 seamless pipe and welded pipe. Our super duplex stainless steel pipe range is produced as per ASTM A789 / ASTM A790 and ASME SA789 / SA790 standards.
UNS S32750 and UNS S32760 grades exhibit excellent weldability, machinability, and superior resistance to chloride-induced stress corrosion cracking.
Available Grades:
Super Duplex Pipe Specifications
| Specifications: |
ASTM A789 / ASME SA789 ASTM A790 / ASME SA790 |
| Standards: | AISI, DIN, EN, GB, JIS, ASTM, ASME |
| Seamless Pipe Size: | 6 mm OD up to 250 mm OD (Up to 12” NB) |
| Welded Pipe Size: | 5.0 mm – 1219.2 mm |
| Thickness Range: | 0.3 mm – 50 mm |
| Seamless Tube Size: | 3.35 mm OD to 101.6 mm OD |
| Welded Tube Size: | 6.35 mm OD to 152 mm OD |
| Schedules: | SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS |
| Manufacturing Type: | Seamless, ERW, Welded, Fabricated, EFW, CDW, DOM, CEW |
| End Types: | Plain End, Beveled End, Threaded |
| Finish Options: | AP, BA, 2B, Polished, Mirror Finish |
Super Duplex Tubing Chemical Compositions
|
Element |
C |
N |
P |
Si |
Mn |
Mo |
Ni |
Cr |
S |
Other |
|
% |
0.030 |
0.24/0.32 |
0.035 |
0.80 |
1.20 |
3.0/5.0 |
6.00/8.00 |
24.0/26.0 |
0.020 |
Cu: 0.50 |
Super Duplex Stainless Steel Tube Mechanical Properties
| Density: | 7.8 g/cm³ |
| Melting Point: | 1350°C |
| Yield Strength: | 550 MPa |
| Tensile Strength: | 800 MPa |
| Elongation: | 15% |
| These mechanical properties make super duplex stainless steel pipe suitable for high-pressure, subsea, and structural applications where both strength and corrosion resistance are required. | |
Types of Super Duplex Tube & Pipe
Pipe Varieties:
- Super Duplex Seamless Pipe
- Super Duplex Welded Pipe
- Super Duplex Round Pipe
Tube Varieties:
- Super Duplex Seamless Tube
- Super Duplex Welded Tube
- Super Duplex Round Tube
As experienced super duplex pipe suppliers, we provide both standard and custom-manufactured products.
Super Duplex Steel Tube Size Chart
|
Wall |
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" |
Super Duplex Stainless Steel Pipe Pressure Rating
|
Pipe Size |
Pipe Schedule |
100°F |
200° |
300° |
400° |
500° |
600° |
650° |
700° |
750° |
|
1″ |
40 |
3048 |
2629 |
2362 |
2171 |
2019 |
1924 |
1867 |
1824 |
1810 |
|
1″ |
80 |
4213 |
3634 |
3265 |
3002 |
2791 |
2659 |
2580 |
2528 |
2501 |
|
1″ |
160 |
6140 |
5296 |
4759 |
4375 |
4068 |
3876 |
3761 |
3684 |
3646 |
|
1.5″ |
40 |
2257 |
1947 |
1750 |
1608 |
1496 |
1425 |
1383 |
1354 |
1340 |
|
1.5″ |
80 |
3182 |
2744 |
2466 |
2267 |
2108 |
2009 |
1949 |
1909 |
1889 |
|
1.5″ |
160 |
4619 |
3984 |
3580 |
3291 |
3060 |
2916 |
2829 |
2772 |
2743 |
|
2″ |
40 |
1902 |
1640 |
1474 |
1355 |
1260 |
1201 |
1165 |
1141 |
1129 |
|
2″ |
80 |
2747 |
2369 |
2129 |
1957 |
1820 |
1734 |
1682 |
1648 |
1631 |
|
2″ |
160 |
4499 |
3880 |
3486 |
3205 |
2980 |
2840 |
2755 |
2699 |
2671 |
|
3″ |
40 |
1806 |
1558 |
1400 |
1287 |
1196 |
1140 |
1106 |
1084 |
1072 |
|
3″ |
80 |
2553 |
2202 |
1979 |
1819 |
1691 |
1612 |
1564 |
1532 |
1516 |
|
3″ |
160 |
3840 |
3312 |
2976 |
2736 |
2544 |
2424 |
2352 |
2304 |
2280 |
|
4″ |
40 |
1531 |
1321 |
1187 |
1091 |
1014 |
967 |
938 |
919 |
909 |
|
4″ |
80 |
2213 |
1909 |
1715 |
1577 |
1466 |
1397 |
1355 |
1328 |
1314 |
|
4″ |
160 |
3601 |
3106 |
2791 |
2566 |
2386 |
2273 |
2206 |
2161 |
2138 |
|
5″ |
40 |
1342 |
1158 |
1040 |
956 |
889 |
847 |
822 |
805 |
797 |
|
5″ |
80 |
1981 |
1709 |
1535 |
1411 |
1312 |
1250 |
1213 |
1189 |
1176 |
|
5″ |
160 |
3414 |
2945 |
2646 |
2433 |
2262 |
2155 |
2091 |
2049 |
2027 |
|
6″ |
40 |
1219 |
1052 |
945 |
869 |
808 |
770 |
747 |
732 |
724 |
|
6″ |
80 |
1913 |
1650 |
1483 |
1363 |
1267 |
1208 |
1172 |
1148 |
1136 |
|
6″ |
160 |
3289 |
2836 |
2549 |
2343 |
2179 |
2076 |
2014 |
1973 |
1953 |
|
8″ |
40 |
1073 |
926 |
832 |
765 |
711 |
678 |
657 |
644 |
637 |
|
8″ |
80 |
1692 |
1459 |
1311 |
1205 |
1121 |
1068 |
1036 |
1015 |
1005 |
|
8″ |
160 |
3175 |
2738 |
2460 |
2262 |
2103 |
2004 |
1944 |
1905 |
1885 |
|
10″ |
40 |
974 |
840 |
755 |
694 |
945 |
615 |
596 |
584 |
578 |
|
10″ |
80 |
1609 |
1388 |
1247 |
1147 |
1066 |
1016 |
986 |
966 |
956 |
|
10″ |
160 |
3147 |
2714 |
2439 |
2242 |
2085 |
1986 |
1927 |
1880 |
1868 |
Pressure ratings vary depending on pipe size, schedule, and operating temperature. For critical offshore and high-pressure applications, Schedule 80 and Schedule 160 super duplex steel pipe is recommended.
Super Duplex Tube Dimensions Chart
|
Size (Inches) |
O.D. (Inches) |
Wall Thickness |
Weight per foot (lbs.) |
PSI Seamless |
PSI Welded |
Bar Seamless |
Bar Welded |
|
1/8" |
.125 |
.028 |
.03 |
7,805 |
N/A |
538 |
N/A |
|
1/4" |
.250 |
.035 |
.08 |
4,598 |
N/A |
317 |
N/A |
|
1/4" |
.250 |
.039 |
.09 |
5,189 |
N/A |
358 |
N/A |
|
3/8" |
.375 |
.035 |
.13 |
2,974 |
N/A |
205 |
N/A |
|
3/8" |
.375 |
.039 |
.14 |
3,341 |
N/A |
230 |
N/A |
|
1/2" |
.500 |
.049 |
.24 |
3,136 |
2,509 |
216 |
173 |
|
3/4" |
.750 |
.065 |
.48 |
2,759 |
2,207 |
190 |
152 |
|
1" |
1.000 |
.065 |
.65 |
2,039 |
1,631 |
141 |
113 |
|
1-1/2" |
1.500 |
.065 |
1.00 |
1,340 |
1,072 |
92 |
74 |
|
2" |
2.000 |
.065 |
1.35 |
995 |
796 |
69 |
55 |
|
2-1/2" |
2.500 |
.065 |
1.70 |
793 |
635 |
55 |
44 |
|
3" |
3.000 |
.065 |
2.05 |
659 |
528 |
45 |
36 |
|
4" |
4.000 |
.083 |
3.49 |
631 |
505 |
44 |
35 |
|
6" |
6.000 |
.109 |
6.90 |
551 |
440 |
38 |
30 |
Super Duplex Steel Pipe Weight Chart
Manufacturing Process of Super Duplex Steel Pipes.
Rolling & Welding : Steel strips are rolled and TIG welded to form super duplex steel pipe.
Cold Drawing: Used to achieve precise dimensions, improved surface finish, and tight tolerance control.
Heat Treatment: Stress relieving and solution annealing improve corrosion resistance and mechanical performance.
Finishing & Inspection: Pickling, straightening, hydro testing, PMI testing, ultrasonic testing, and final marking ensure compliance with international standards.
Why Choose USA Piping Solution?
- Leading super duplex pipe suppliers in USA
- Large stock of super duplex stainless steel pipe
- Competitive pricing
- Third-party inspection available
- Fast domestic and export delivery
- Custom manufacturing options
- Complete documentation (EN 10204 3.1 / 3.2 MTC)
We supply Super Duplex Steel Pipes & Tubes for critical offshore, petrochemical, and marine industrial applications worldwide with strict quality control and project-focused delivery.
Super Duplex Stainless Steel Pipe Price List
|
Product Type |
Price Range (FOB) |
|
Super Duplex Seamless Pipes & Tubes |
US $2300 – $4200 / Ton |
|
Steel Seamless Pipes (Super Duplex) |
US $1100 / Ton |
|
Super Duplex Seamless Pipe (Economy) |
US $300 – $1000 / Ton |
|
Super Duplex Welded Pipes & Tubes |
US $830 – $2100 / Metric Ton |
|
Steel Seamless Pipe & Tube (per kg) |
US $1.5 – $9 / Kilogram |
|
Steel Seamless Pipe & Tube (Manufacturer) |
US $830 – $2300 / Metric Ton |
|
Super Duplex Steel Welded Pipe & Tube |
US $300 – $1000 / Ton |
For the latest super duplex steel pipe price per kg or per ton, contact our sales team for a customized quote.
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