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Duplex Steel Pipe

ASTM A790 UNS S32760 Seamless Pipe

ASTM A790 UNS S32760 is a super duplex grade which contains 25% chromium, 4% molybdenum and 7% nickel in its composition. The composition makes the pipe stronger and corrosion resistant. The SA 790 UNS S32760 is therefore used in acidic environments where corrosion is high. It could also be used under high pressure environment due to its high strength. In addition the Super Duplex 32760 Pipe can be used under high temperatures without deforming the piping due to its low thermal expansion rate. The duplex is divided into three different groups based on the chromium, molybdenum and nickel contents in the alloy. The super duplex and lean duplex are less common compared to the ordinary duplex group. The Super Duplex UNS S32760 Pipe belonging to the super duplex group is used in desalination plants, valves and pumps, sea water systems, subsea pipework systems and in heat exchangers. Because of the high corrosion resistance of the pipes, they are a cost effective solution for a long term usage.

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The Duplex S32760 Seamless Pipe is cold drawn and could be hardened by cold working after production. Like the cold drawn ones, there are hot rolled and welded pipes. The ASTM A790 UNS S32760 Welded Pipe is stronger than the cold drawn seamless pipes in general. They are easy to weld upon as well. The SA 790 UNS S32760 Tube produced less carbide precipitation which in turn avoids intergranular corrosion. So the Duplex S32760 UNS Seamless Pipe is also resistant to localized corrosion after welding. There are different shapes and types of these pipes used in different needs and for different purposes. The SA790 S32760 UNS Bush Hex Pipe is such a special case. The electric resistance welded UNS S32760 Stainless Steel ERW Pipe is one of the common application of super duplex grade steel pipes.

Table Of Content

  • ASTM A790 UNS S32760 Price
  • ASTM A790 UNS S32760 Specifications
  • Types of ASTM A790 UNS S32750 Pipe
  • Super Duplex SA 790 UNS S32750 Seamless Pipe Tolerance
  • SA 790 Gr S32750 Seamless Pipe Schedule chart
  • Weight Chart of UNS S32750 Duplex Tube
  • Pressure rating of ASTM A790 UNS S32750 Seamless Pipe
  • Dimension chart of SA 790 UNS S32750 Seamless Pipe
  • Chemical Composition of ASTM A790 UNS S32750 Pipe
  • SA 790 Gr S32750 Seamless Pipe Mechanical Properties
  • Equivalent Of UNS S32750 Duplex Tube

ASTM A790 UNS S32760 Price

  • ASTM A789 / A790 UNS S32760 Seamless Pipes
    FOB Price US $0.30 – US $3/ Meter
    RFQ

ASTM A790 UNS S32760 Specifications

Specifications and Dimensions ASTM A 790 ASME SA 790
Size Chart 1/2 to 12 “NB IN
Pipe Schedule Chart SCH20, SCH30, SCH40, STD, SCH80
Most Common types Seamless / ERW / Welded / Fabricated
Manufacturing Shapes Round, Hydraulic Etc
Pipe End Type Abbreviations BOE, POE, BBE, BE, TOE, BLE, BSE, BOE, PBE, TBE, Plain End, Beveled End, Treaded

Types of ASTM A790 UNS S32750 Pipe

UNS S32760 Duplex Tube

SA 790 Gr S32760 Seamless Pipe

ASTM A790 UNS S32760 Pipe

Super Duplex SA 790 UNS S32760 Pipe

ASTM A790 UNS S32760 Tube

Duplex S32760 boiler tube

Super Duplex SA 790 UNS S32750 Seamless Pipe Tolerance

OD WALL LENGTHS
<1-1/2″ (38.1 mm) ±0.005″ (0.13 mm)
1-1/2″ (38.1 mm) to 3″ (76.2 mm) ±0.010″ (0.25 mm)
3-1/2″ (88.9 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm)
 ±10% Randoms up to +2″ (50.8 mm)

Cuts +1/8″ (3 mm) -0″

Coils to 80,000′ (24,384 m)
±0.005″ (0.127 mm) ±10% Coils to 80,000′ (24,384 m)

SA 790 Gr S32750 Seamless Pipe Schedule chart

NOMINAL O.D. INCHES 10S 10 40S & STD 40 80S & E.H. 80 160
1/8 .405 .049 .049 .068 .068 .095 .095
1/4 .540 .065 .065 .088 .088 .119 .119
3/8 .675 .065 .065 .091 .091 .126 .126
1/2 .840 .083 .083 .109 .109 .147 .147 .187
3/4 1.050 .083 .083 .113 .113 .154 .154 .218
1 1.315 .109 .109 .133 .133 .179 .179 .250
1 1/4 1.660 .109 .109 .140 .140 .191 .191 .250
1 1/2 1.900 .109 .109 .145 .145 .200 .200 .281
2 2.375 .109 .109 .154 .154 .218 .218 .343
2 1/2 2.875 .120 .120 .203 .203 .276 .276 .375
3 3.500 .120 .120 .216 .216 .300 .300 .437
3 1/2 4.000 .120 .120 .226 .226 .318 .318
4 4.500 .120 .120 .237 .237 .337 .337 .531
4 1/2 5.000 .247 .355
5 5.563 .134 .134 .258 .258 .375 .375 .625
6 6.625 .134 .134 .280 .280 .432 .432 .718
7 7.625 .301 .500
8 8.625 .148 .148 .322 .322 .500 .500 .906
9 9.625 .342 .500
10 10.750 .165 .165 .365 .365 .500 .593 1.125
11 11.750 .375 .500
12 12.750 .180 .180 .375 .406 .500 .687 1.312
14 14.000 .188 .250 .375 .437 .500 .750 1.406
16 16.000 .188 .250 .375 .500 .500 .843 1.593
18 18.000 .188 .250 .375 .562 .500 .937 1.781

Weight Chart of UNS S32750 Duplex Tube

PIPE OD
MM		 PIPE WT
MM		 NOMINAL SIZE WEIGHT, KG/M
21.34 2.11 1/2″ 10S 1.02
21.34 2.77 1/2″ 40S 1.29
26.67 2.11 3/4″ 10S 1.30
26.67 2.87 3/4″ 40S 1.71
33.40 1.65 1″ 5S 1.31
33.40 2.77 1″ 10S 2.13
33.40 3.38 1″ 40S 2.54
42.16 1.65 1 1/4″ 5S 1.67
42.16 2.77 1 1/4″ 10S 2.73
42.16 3.56 1 1/4″ 40s 3.44
48.26 1.65 1 1/2″ 5S 1.92
48.26 2.77 1 1/2″ 10S 3.16
48.26 3.68 1 1/2″ 40S 5.49
60.33 1.65 2″ 5S 2.42
60.33 2.77 2″ 10S 3.99
60.33 3.91 2″ 40S 5.52
73 3.05 2 1/2″ 10s 5.35
73 5.16 2 1/2″ 40S 8.77
88.90 2.11 3″ 5S 4.58
88.90 3.05 3″ 10S 6.56
88.90 5.49 3″ 40S 11.47
101.60 3.05 3 1/2″ 10s 7.53
114.30 2.11 4″ 5S 5.93
114.30 3.05 4″ 10S 8.50
114.30 6.02 4″ 40S 16.32
141.3 3.4 5″ 10S 11.74
141.3 6.55 5″ 40S 22.1
168.3 2.77 6″ 5S 11.48
168.3 3.4 6″ 10S 14.04
168.3 7.11 6″ 40S 28.69
219.1 2.77 8″ 5S 15.0
219.1 3.76 8″ 10S 20.27
219.1 8.18 8″ 40S 43.2
273 3.40 10″ 5S 22.95
273 4.19 10″ 10S 28.2
273 9.27 10″ 40S 61.22
323.9 3.96 12″ 5S 31.72
323.9 4.57 12″ 10S 36.54
323.9 9.53 12″ 40S 75.02
355.6 4.78 14″ 10S 41.99
355.6 9.53 14″ STD 82.583
406.4 9.53 16″ STD 94.706
406.4 4.78 16″ 10S 48.07
457.2 4.78 18″ 10S 54.151
508.0 5.54 20″ 10S 69.702
610.0 6.35 *24″ 10S 95.919

Pressure rating of ASTM A790 UNS S32750 Seamless Pipe

PIPE GRADE ASTM/ UNS 100°F
40°C		 200°F
90°C		 300°F
150°C		 400°F
200°C		 500°F
260°C		 600°F
320°C		 700°F
370°C
LDX 2304 Pipe*1) S32304 29.0 27.9 26.1 24.7 22.9 19.2 –
Duplex 2205 Pipe*2) S31803 30.0 30.0 28.9 27.8 27.2 26.9 –
Duplex 2507 Pipe*3) S32750 38.7 36.3 34.8 34.0 33.9 33.9 –
Sanicro® Pipe 60 N06625 40.0 40.0 39.6 39.2 38.6 37.8 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® 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 20.3 16.7 15.1 13.8 12.7 11.9 11.4
Sanicro® 28 Pipe *10) N08028 20.7 18.9 17.7 16.5 15.4 14.4 13.6
254 SMO Pipe*11) S31254 26.9 26.9 21.4 19.8 18.6 17.9 17.4

Dimension chart of SA 790 UNS S32750 Seamless Pipe

NOMINAL SIZE [INCHES] OUTSIDE DIAMETER (OD) [INCHES] OUTSIDE DIAMETER (OD) [MM] WALL THICKNESS [INCHES] WALL THICKNESS [MM] WEIGHT [LB/FT] WEIGHT [KG/M]
1/8″ NPS 6 0.41 10.3 0.068 1.73 0.24 0.37
1/4″ NPS 8 0.54 13.7 0.088 2.24 0.42 0.63
3/8″ NPS 10 0.68 17.1 0.091 2.31 0.57 0.84
1/2″ NPS 15 0.84 21.3 0.109 2.77 0.85 1.27
3/4″ NPS 20 1.05 26.7 0.113 2.87 1.13 1.69
1″ NPS 25 1.32 33.4 0.133 3.38 1.68 2.5
1 1/4″ NPS 32 1.66 42.2 0.14 3.56 2.27 3.39
1 1/2″ NPS 40 1.9 48.3 0.145 3.68 2.72 4.05
2″ NPS 50 2.375 60.3 0.154 3.91 3.65 5.44
2 1/2″ NPS 65 2.875 73.0 0.203 5.16 5.79 8.63
3″ NPS 80 3.5 88.9 0.216 5.49 7.58 11.29
3 1/2″ NPS 90 4.0 101.6 0.226 5.74 9.11 13.57
4″ NPS 100 4.5 114.3 0.237 6.02 10.79 16.07
5″ NPS 125 5.563 141.3 0.258 6.55 14.62 21.77
6″ NPS 150 6.625 168.3 0.28 7.11 18.97 28.26
8″ NPS 200 8.625 219.1 0.322 8.18 28.55 42.55
10″ NPS 250 10.75 273.0 0.365 9.27 40.48 60.31
12″ NPS 300 12.75 323.8 0.406 10.31 53.52 79.73
14″ NPS 350 14.0 355.6 0.437 11.13 54.57 94.55
16″ NPS 400 16.0 406.4 0.5 12.7 82.77 123.3
18″ NPS 450 18.0 457.0 0.562 14.27 104.67 155.8
20″ NPS 500 20.0 508.0 0.594 15.09 123.11 183.42
24″ NPS 600 24.0 610.0 0.688 17.48 171.29 255.41
32″ NPS 800 32.0 813.0 0.688 17.48 230.08 342.91

Chemical Composition of ASTM A790 UNS S32750 Pipe

GRADE SUPER DUPLEX 2507
Carbon (C) Max. 0.030
Manganese (Mn) Max. 1.20
Phosphorous (P) Max. 0.035
Sulphur (S) Max. 0.020
Silicon (Si) Max. 0.80
Chromium (Cr) 24.0–26.0
Nickel (Ni) 6.0–8.0
Molybdenum (Mo) 3.0–5.0
Nitrogen (N) 0.24–0.32
Iron (Fe) Bal.
Copper (Cu) 0.50
Other Elements –

SA 790 Gr S32750 Seamless Pipe Mechanical Properties

TENSILE STRENGTH YIELD STRENGTH
ALLOY UNS DESIGNATION SPEC. PSI MPA KSI PSI MPA KSI ELONGATION IN 2 IN. (MIN.) % GRAIN SIZE REQ. MAX. HARDNESS MODULUS OF ELASTICITY (X106PSI) MEAN COEFFICIENT OF THERMAL EXPANSION (IN./IN./°F X 10-6) THERMAL CONDUCTIVITY (BTU-IN/ FT2-H-°F)
2507 S32950 A789, A790 100,000 690 100 70,000 485 70 20 – 30.5 Rc – – –
2507 S32750 A789, A790 116,000 800 116 80,000 550 80 15 – 32 Rc 27.5 7.2

Equivalent Of UNS S32750 Duplex Tube

ALLOY UNS DESIGNATION WERKSTOFF NR. SPECIFICATIONS AFNOR GRADE DIN EN SS
2507 S32750 1.4410 A/SA789, A/SA790 Z3 CN 25.06 Az F53 X 2 Cr Ni MoN 25.7.4 1.4410 2328

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  • ASTM A789 / A790 UNS S32760 2205 Pipes
    FOB Price US $0.30 – US $3/ Meter
  • ASTM A790 UNS S32760 duplex steel welded pipes
    FOB Price US $25 – US $30/ Kilograms
  • ASTM A790 uns S32760 super duplex 2507 seamless pipes
    FOB Price US $25 – US $35/ Kilograms
  • Thin wall Uns s32760 seamless pipes
    FOB Price US $1,500 – US $2,000/ Kilogram
  • 12 IN SCH STD ASTM A790 Grade UNS S32760 Seamless pipes
    FOB Price US $1,000 – US $3,000/ Ton
  • ASME B36.10, ASTM A790 UNS S32760, SCH 40S SMLS PIPES, BE,
    FOB Price US $570 – US $850/ Ton
  • UNS S32760 ASTM A790 duplex stainless steel welded pipes
    FOB Price US $20 – US $32/ Kilograms
  • Ferritic Austenitic Stainless Steel ASTM A790 Seamless Welded Pipes
    FOB Price US $6,000 – US $7,500/ Ton
  • a790 s32760 super duplex stainless steel pipes
    FOB Price US $0.01 – US $9/ Piece

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