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What is UNS S32760 tube?
The UNS S32760 material has a ferritic-austenitic microstructure with around 40-50% ferrite in the annealed condition. The UNS S32760 Tube has high strength from ferritic grade and corrosion resistance from austenitic grade. It also shows great resistance to sulfide stress corrosion in the sour gas environment. The material also has high impact strength, and it displays no ductile-brittle transition.
Even the SA 790 UNS S32760 Welded Tube only displays slightly lower impact strength. The UNS S32760 tubes were traditionally used as pumping equipment as they were seawater-resistant material. But now, the UNS S32760 Super Duplex Heat Exchanger Tubes are found in oil and gas applications, subsea pipework systems, and more.
Difference between ASTM A790 UNS S32760 and SA 789 UNS S32760
The ASTM A790 UNS S32760 and SA 789 UNS S32760 material have a similar chemical composition and mechanical properties. But the difference between them is that the SA 789 UNS S32760 Condenser Tube is smaller in size- they are primarily used in pressure vessels.
The material is for general service applications with corrosion resistance but the tubes are not for extreme environments. Whereas the ASTM A790 UNS S32760 ERW Tube is bigger in size, and are mainly used for fluid transportation. They have higher corrosion resistance and are used in aggressive and corrosive environments.
UNS S32760 Tube
Duplex UNS S32760 Seamless Tube
UNS S32760 Pipe
What is ASTM A789 UNS S32760 annealed tubes?
Annealing the Duplex UNS S32760 Seamless Tube means heat treating them to remove any internal stress along with increasing their ductility. The process helps to soften the tubes, maintaining their ductility so as to enhance their workability. Clients can get ASTM A789 UNS S32760 Bright Annealed Tubes, which come with a brighter and more aesthetic surface.
Herein, the annealing process is conducted in a vacuum or inert gas atmosphere to as to get the desired results. The annealing process improves the homogeneity and structure of the material. It reduces hardness and brittleness along with enhancing the magnetic property. The process increases toughness and agility of the tubes.
Table of Contents
Specifications of Duplex UNS S32760 seamless tube
Size | Thickness | End |
---|---|---|
1/2''~48'' | SCH5~SCHXXS | SCH5~SCHXXS |
Types | Spcifications | Outer Diameter |
Seamless / ERW / Welded | ASTM A 790 ASME SA 790 | 6.0-630mm |
UNS S32760 tube types
ASTM A790 UNS S32760 ERW Tube
Super Duplex UNS S32760 U-Tubes
SA 790 UNS S32760 Welded Tube
UNS S32760 Super Duplex Heat Exchanger Tubes
A790 UNS S32760 Cold Drawn Seamless Tube
SA 789 UNS S32760 Condenser Tube
ASTM A928 UNS S32760 Heater Tubes
ASTM A789 UNS S32760 Bright Annealed Tubes
UNS S32760 Tubing
UNS S32760 pipe mechanical properties
Properties | Requirement |
---|---|
Yield Strength min. MPa [ksi] | 550 [80] |
Tensile Strength min. MPa [ksi] | 750 [109] |
Elongation in 2", min. % | 25 |
Hardness max. HRC | 32 |
Hardness max. HBW | 310 |
Hardness max. HV | 310 |
ASTM A790 UNS S32760 erw tube chemical composition
Element | Composition, % |
---|---|
Mn | ≤1.00 |
C | ≤0.030 |
P | ≤0.030 |
Si | ≤1.00 |
S | ≤0.010 |
Ni | 6.0-8.0 |
Mo | 3.0-4.0 |
Cr | 24.0-26.0 |
Cu | 0.50-1.00 |
N | 0.20-0.30 |
W | 0.50-1.00 |
Super duplex UNS S32760 u-tubes permissible variations tolerance
O.D. (d) mm | PVod mm | PVL mm | PVmiw % | PVavw % |
---|---|---|---|---|
12.7≤d<38.1 | ±0.13 | (3, 0) | (20, 0) | ±10 |
d<12.7 | ±0.13 | (3, 0) | (30, 0) | ±15 |
38.1≤d<88.9 | ±0.25 | (5, 0) | (20, 0) | ±10 |
139.7≤d<203.2 | ±0.76 | (5, 0) | (20, 0) | ±10 |
88.9≤d<139.7 | ±0.38 | (5, 0) | (20, 0) | ±10 |
Weight chart of SA 790 UNS S32760 welded tube
OD MILIMETER | NOMINAL SIZE | WT MILIMETER | WEIGHT, KILOGRAM/METER |
---|---|---|---|
21.34 | 1/2" 10S | 2.11 | 1.02 |
21.34 | 1/2" 40S | 2.77 | 1.29 |
26.67 | 3/4" 10S | 2.11 | 1.30 |
26.67 | 3/4" 40S | 2.87 | 1.71 |
33.40 | 1" 5S | 1.65 | 1.31 |
33.40 | 1" 10S | 2.77 | 2.13 |
33.40 | 1" 40S | 3.38 | 2.54 |
42.16 | 1 1/4" 5S | 1.65 | 1.67 |
42.16 | 1 1/4" 10S | 2.77 | 2.73 |
42.16 | 1 1/4" 40s | 3.56 | 3.44 |
48.26 | 1 1/2" 5S | 1.65 | 1.92 |
48.26 | 1 1/2" 10S | 2.77 | 3.16 |
48.26 | 1 1/2" 40S | 3.68 | 5.49 |
60.33 | 2" 5S | 1.65 | 2.42 |
60.33 | 2" 10S | 2.77 | 3.99 |
60.33 | 2" 40S | 3.91 | 5.52 |
73 | 2 1/2" 10s | 3.05 | 5.35 |
73 | 2 1/2" 40S | 5.16 | 8.77 |
88.90 | 3" 5S | 2.11 | 4.58 |
88.90 | 3" 10S | 3.05 | 6.56 |
88.90 | 3" 40S | 5.49 | 11.47 |
101.60 | 3 1/2" 10s | 3.05 | 7.53 |
114.30 | 4" 5S | 2.11 | 5.93 |
114.30 | 4" 10S | 3.05 | 8.50 |
114.30 | 4" 40S | 6.02 | 16.32 |
141.3 | 5" 10S | 3.4 | 11.74 |
141.3 | 5" 40S | 6.55 | 22.1 |
168.3 | 6" 5S | 2.77 | 11.48 |
168.3 | 6" 10S | 3.4 | 14.04 |
168.3 | 6" 40S | 7.11 | 28.69 |
219.1 | 8" 5S | 2.77 | 15.0 |
219.1 | 8" 10S | 3.76 | 20.27 |
219.1 | 8" 40S | 8.18 | 43.2 |
273 | 10" 5S | 3.40 | 22.95 |
273 | 10" 10S | 4.19 | 28.2 |
273 | 10" 40S | 9.27 | 61.22 |
323.9 | 12" 5S | 3.96 | 31.72 |
323.9 | 12" 10S | 4.57 | 36.54 |
323.9 | 12" 40S | 9.53 | 75.02 |
355.6 | 14" 10S | 4.78 | 41.99 |
355.6 | 14" STD | 9.53 | 82.583 |
406.4 | 16" STD | 9.53 | 94.706 |
406.4 | 16" 10S | 4.78 | 48.07 |
457.2 | 18" 10S | 4.78 | 54.151 |
508.0 | 20" 10S | 5.54 | 69.702 |
610.0 | *24" 10S | 6.35 | 95.919 |
UNS S32760 super duplex heat exchanger tubes schedule chart
O.D. INCHES | NOMINAL | 10 | 10S | 80S & E.H. | 40S & STD | 80 | 40 | 160 |
---|---|---|---|---|---|---|---|---|
.405 | 1/8 | .049 | .049 | .095 | .068 | .095 | .068 | |
.540 | 1/4 | .065 | .065 | .119 | .088 | .119 | .088 | |
.675 | 3/8 | .065 | .065 | .126 | .091 | .126 | .091 | |
.840 | 1/2 | .083 | .083 | .147 | .109 | .147 | .109 | .187 |
1.050 | 3/4 | .083 | .083 | .154 | .113 | .154 | .113 | .218 |
1.315 | 1 | .109 | .109 | .179 | .133 | .179 | .133 | .250 |
1.660 | 1 1/4 | .109 | .109 | .191 | .140 | .191 | .140 | .250 |
1.900 | 1 1/2 | .109 | .109 | .200 | .145 | .200 | .145 | .281 |
2.375 | 2 | .109 | .109 | .218 | .154 | .218 | .154 | .343 |
2.875 | 2 1/2 | .120 | .120 | .276 | .203 | .276 | .203 | .375 |
3.500 | 3 | .120 | .120 | .300 | .216 | .300 | .216 | .437 |
4.000 | 3 1/2 | .120 | .120 | .318 | .226 | .318 | .226 | |
4.500 | 4 | .120 | .120 | .337 | .237 | .337 | .237 | .531 |
5.000 | 4 1/2 | .355 | .247 | |||||
5.563 | 5 | .134 | .134 | .375 | .258 | .375 | .258 | .625 |
6.625 | 6 | .134 | .134 | .432 | .280 | .432 | .280 | .718 |
7.625 | 7 | .500 | .301 | |||||
8.625 | 8 | .148 | .148 | .500 | .322 | .500 | .322 | .906 |
9.625 | 9 | .500 | .342 | |||||
10.750 | 10 | .165 | .165 | .500 | .365 | .593 | .365 | 1.125 |
11.750 | 11 | .500 | .375 | |||||
12.750 | 12 | .180 | .180 | .500 | .375 | .687 | .406 | 1.312 |
14.000 | 14 | .250 | .188 | .500 | .375 | .750 | .437 | 1.406 |
16.000 | 16 | .250 | .188 | .500 | .375 | .843 | .500 | 1.593 |
18.000 | 18 | .250 | .188 | .500 | .375 | .937 | .562 | 1.781 |
A790 UNS S32760 cold drawn seamless tube pressure rating
GRADES | ASTM/ UNS | 200°F 90°C | 100°F 40°C | 500°F 260°C | 300°F 150°C | 600°F 320°C | 400°F 200°C | 700°F 370°C |
---|---|---|---|---|---|---|---|---|
LDX 2304 Pipe*1) | S32304 | 27.9 | 29.0 | 22.9 | 26.1 | 19.2 | 24.7 | - |
Sanicro® 30 CF*7) | N08800 CF | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
Sanicro® 30 HF*8) | N08800 HF | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
2RK65™*9) | N08904 | 16.7 | 20.3 | 12.7 | 15.1 | 11.9 | 13.8 | 11.4 |
2507 Pipe*3) | S32750 | 36.3 | 38.7 | 33.9 | 34.8 | 33.9 | 34.0 | - |
Sanicro® Pipe 60 | N06625 | 40.0 | 40.0 | 38.6 | 39.6 | 37.8 | 39.2 | 37 |
Sanicro® 70:1*4) | N06600:1 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
Sanicro® 70:2*5) | N06600:2 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
Sanicro® 70:3*6) | N06600:3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 |
Sanicro® 28 Pipe *10) | N08028 | 18.9 | 20.7 | 15.4 | 17.7 | 14.4 | 16.5 | 13.6 |
254 SMO Pipe*11) | S31254 | 26.9 | 26.9 | 18.6 | 21.4 | 17.9 | 19.8 | 17.4 |
SA 789 UNS S32760 condenser tube dimensions
NOMINAL SIZE [INCH] | OUTSIDE DIAMETER [MILIMETER] | OUTSIDE DIAMETER[INCHES] | WALL THICKNESS [INCHES] | WEIGHT [LB/FT] | WEIGHT [KG/METER] | WALL THICKNESS [MILIMETER] |
---|---|---|---|---|---|---|
2 1/2" NPS 65 | 73.0 | 2.875 | 0.203 | 5.79 | 8.63 | 5.16 |
3" NPS 80 | 88.9 | 3.5 | 0.216 | 7.58 | 11.29 | 5.49 |
3 1/2" NPS 90 | 101.6 | 4.0 | 0.226 | 9.11 | 13.57 | 5.74 |
4" NPS 100 | 114.3 | 4.5 | 0.237 | 10.79 | 16.07 | 6.02 |
5" NPS 125 | 141.3 | 5.563 | 0.258 | 14.62 | 21.77 | 6.55 |
6" NPS 150 | 168.3 | 6.625 | 0.28 | 18.97 | 28.26 | 7.11 |
8" NPS 200 | 219.1 | 8.625 | 0.322 | 28.55 | 42.55 | 8.18 |
1/8" NPS 6 | 10.3 | 0.41 | 0.068 | 0.24 | 0.37 | 1.73 |
1/4" NPS 8 | 13.7 | 0.54 | 0.088 | 0.42 | 0.63 | 2.24 |
3/8" NPS 10 | 17.1 | 0.68 | 0.091 | 0.57 | 0.84 | 2.31 |
1/2" NPS 15 | 21.3 | 0.84 | 0.109 | 0.85 | 1.27 | 2.77 |
3/4" NPS 20 | 26.7 | 1.05 | 0.113 | 1.13 | 1.69 | 2.87 |
1" NPS 25 | 33.4 | 1.32 | 0.133 | 1.68 | 2.5 | 3.38 |
1 1/4" NPS 32 | 42.2 | 1.66 | 0.14 | 2.27 | 3.39 | 3.56 |
1 1/2" NPS 40 | 48.3 | 1.9 | 0.145 | 2.72 | 4.05 | 3.68 |
2" NPS 50 | 60.3 | 2.375 | 0.154 | 3.65 | 5.44 | 3.91 |
10" NPS 250 | 273.0 | 10.75 | 0.365 | 40.48 | 60.31 | 9.27 |
12" NPS 300 | 323.8 | 12.75 | 0.406 | 53.52 | 79.73 | 10.31 |
14" NPS 350 | 355.6 | 14.0 | 0.437 | 54.57 | 94.55 | 11.13 |
16" NPS 400 | 406.4 | 16.0 | 0.5 | 82.77 | 123.3 | 12.7 |
18" NPS 450 | 457.0 | 18.0 | 0.562 | 104.67 | 155.8 | 14.27 |
20" NPS 500 | 508.0 | 20.0 | 0.594 | 123.11 | 183.42 | 15.09 |
24" NPS 600 | 610.0 | 24.0 | 0.688 | 171.29 | 255.41 | 17.48 |
32" NPS 800 | 813.0 | 32.0 | 0.688 | 230.08 | 342.91 | 17.48 |
ASTM A928 UNS S32760 heater tubes testing
Equivalent of ASTM A789 UNS S32760 bright annealed tubes
ALLOY | WERKSTOFF NR. | UNS DESIGNATION | SPECIFICATIONS | GRADE | AFNOR | DIN | SS | EN |
---|---|---|---|---|---|---|---|---|
2507 | 1.4410 | S32750 | A/SA789, A/SA790 | F53 | Z3 CN 25.06 Az | X 2 Cr Ni MoN 25.7.4 | 2328 | 1.4410 |
UNS S32760 tubing application