Super Duplex 2507 Pipe

Super duplex 2507 pipe manufacturer in India
ISO Certified Manufacturer

Super Duplex 2507 Pipe

Super Duplex 2507 Pipe is a high-alloy duplex stainless steel pipe designed for demanding applications requiring a combination of high mechanical strength and excellent resistance to corrosion. Commonly known as Super Duplex 2507, the material is identified as UNS S32750 and contains high levels of chromium, molybdenum, nitrogen, and nickel.

Super Duplex 2507 is commonly selected for aggressive chloride-containing environments, offshore and marine applications, chemical processing, desalination, oil and gas systems, and other industrial services where the corrosion and strength requirements exceed those of conventional stainless steels.

Material selection should always consider the actual service medium, chloride concentration, temperature, pressure, stress, fabrication conditions, and applicable specification.

20+
Years of Experience
50+
Grades in Stock
1/8"–2–4"
Size Range
100%
Quality Tested

Specification of 2507 pipe

Specification of 2507 pipe

SPECIFICATIONDETAILS
Welded Pipe SizeOD: 6.0 mm to 630mm, Length:Double Random ,Single & Cut Length, Wall Thickness: 0.5 - 20mm
Seamless Pipe SizesLength:Double Random, Cut Length & Single, OD: 6.0 mm to 630mm, Wall Thickness:0.3 mm to 50 mm
FormsRectangular, Clad, Hexagon, Square, Exhaust, Round
StandardsUNS : S32750, S32760, ASME SA 790 | ASTM A790, WNR: 1.4410
Manufacturing ProcessHot Formed, Precision Rolled, Cold Formed
TestingUltrasonic, Chemical, Mechanical and PMI
FinishAnnealing, Polished, Mill, Bright
PackagingBundle, Shear Box, Wooden Pallets, Bubble wraps
PropertiesMelting Point: 2660°F (1460°C), Temp.: 300°C (572°F), Density: 7.8 g/cm3
Super duplex 2507 pipe

Super duplex 2507 pipe

Alloy 2507 seamless Pipe

Alloy 2507 seamless Pipe

SAF 2507 welded pipe

SAF 2507 welded pipe

DIN 1.4410 hollow pipe

DIN 1.4410 hollow pipe

Super Duplex 2507 ERW pipe

Super Duplex 2507 ERW pipe

2507 Super Duplex EFW pipe

2507 Super Duplex EFW pipe

2507 duplex SS pipe schedule chart

2507 duplex SS pipe schedule chart

NPS (inches) Schedule 40S (mm) Schedule 5S (mm) Schedule 10S (mm) Schedule 80S (mm) XXS (mm) Schedule 160 (mm)
2 ½" (DN 65) 5.16 2.11 2.11 7.01 14.02 9.52
3" (DN 80) 5.49 2.11 2.11 7.62 15.24 11.13
4" (DN 100) 6.02 2.11 2.11 8.56 19.05 13.49
5" (DN 125) 6.55 2.77 2.77 9.53 21.34 15.88
6" (DN 150) 7.11 2.77 2.77 11.13 23.01 18.26
½" (DN 15) 2.77 1.65 1.65 3.73 6.35 4.78
¾" (DN 20) 2.87 1.65 1.65 3.91 7.82 5.56
1" (DN 25) 3.38 1.65 1.65 4.55 9.09 6.35
1 ¼" (DN 32) 3.56 1.65 1.65 4.85 9.70 6.35
1 ½" (DN 40) 3.68 1.65 1.65 5.08 10.16 7.14
2" (DN 50) 3.91 1.65 1.65 5.54 11.07 8.71
8" (DN 200) 8.18 2.77 2.77 12.70 28.58 23.01
10" (DN 250) 9.27 3.40 3.40 15.09 31.75 28.58
12" (DN 300) 10.31 3.96 3.96 17.48 38.10 33.32

Alloy 2507 seamless pipe testing

  • Chemical Test
  • Destructive Test
  • Third Party Inspection
  • Non Destructive Test
  • Moisture testing
  • Visual Inspection
  • Surface roughness Test
  • PMI Test
  • 100% Radiography Test

Super duplex 2507 pipe pressure rating

Super duplex 2507 pipe pressure rating

Pipe Grade ASTM/ UNS 300°F
150°C 		400°F
200°C 		100°F
40°C 		200°F
90°C 		500°F
260°C 		700°F
370°C 		600°F
320°C
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
LDX 2304 Pipe*1) S32304 26.1 24.7 29.0 27.9 22.9 - 19.2
Duplex 2507 Pipe*3) S32750 34.8 34.0 38.7 36.3 33.9 - 33.9
Sanicro® Pipe 60 N06625 39.6 39.2 40.0 40.0 38.6 37 37.8
2RK65™*9) N08904 15.1 13.8 20.3 16.7 12.7 11.4 11.9
Sanicro® 28 Pipe *10) N08028 17.7 16.5 20.7 18.9 15.4 13.6 14.4

Tolerance chart of duplex 2507 pipe

Tolerance chart of duplex 2507 pipe

OD Lengths Wall
±0.005" (0.127 mm) Coils to 80,000' (24,384 m) ±10%
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)

Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

 ±10%

Super duplex 2507 pipe price list

Super duplex 2507 pipe price list

Description Price in USD Price in Kilogram (INR)
Super Duplex 2507 Seamless Pipe, Size: 2 inches $ 5.28 ₹ 452
Super Duplex 2507 Pipe, 3 inches $ 7.60 ₹ 650
Super Duplex 2507 Pipes,Size: 2 inch Thickness: 10 mm $ 6.43 ₹ 550

Chemical composition of SAF 2507 pipe

Chemical composition of SAF 2507 pipe

Grade Super Duplex 2507
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
Carbon (C) Max. 0.030
Manganese (Mn) Max. 1.20
Phosphorous (P) Max. 0.035
Sulphur (S) Max. 0.020
Iron (Fe) Bal.
Copper (Cu) 0.50
Other Elements -

Mechanical properties of super duplex 2507 pipe

Mechanical properties of super duplex 2507 pipe

2507 Density Yield Strength (0.2%Offset) Melting Point Elongation Tensile Strength
7.8 g/cm3 Psi - 80000 , MPa - 550 1350 °C (2460 °F) 15 % Psi - 116000 , MPa - 800

2507 super duplex EFW pipe equivalent grades

2507 super duplex EFW pipe equivalent grades

Alloy UNS Designation Specifications Werkstoff NR. AFNOR DIN Grade EN SS
2507 S32750 A/SA789, A/SA790 1.4410 Z3 CN 25.06 Az X 2 Cr Ni MoN 25.7.4 F53 1.4410 2328

Super duplex 2507 pipe physical properties

Super duplex 2507 pipe physical properties

Property Units 200°C 300°C 100°C 20°C
Poissons ratio - - - - 0.3
Thermal conductivity W/m°C 17 18 16 15
- Btu/h ft°F - - - 8.7
Modulus of elasticity GPa 186 180 194 200
psi x 10-6 - - - 29
Density g/cm³ - - - 7.8
lb/in³ - - - 0.28
Linear expansion (RT ➞ T)°C x 10-6/°C 13.5 14 13 -
Electric resistivity µΩm 0.9 1 0.85 0.8
Thermal capacity J/kg°C 560 590 530 500

Application of 2507 stainless steel pipe

  • Power generation
  • Marine
  • Pulp and paper
  • Chemical, pharmaceutical
  • Pollution control
  • Flue-gas desulfurization
  • Mining and mineral
  • Oil and gas industry
  • Desalination

Weight chart of alloy 2507 pipe

Weight chart of alloy 2507 pipe

Pipe OD
milimeter 		Pipe WT
milimeter 		Nominal size Weight, kg/m
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
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
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

Super duplex 2507 pipe sizes

Super duplex 2507 pipe sizes

Pipe WT
mm 		Pipe OD
mm 		Kg/m Sch in.0
3.091 26.067 2.023 80S 3/4
2.077 33.040 2.013 10S 1
3.038 33.040 2.054 40S 1
4.055 33.040 3.029 80S 1
6.0352) 33.040 4.030 160 1
2.077 42.016 2.073 10S 1¼
3.056 42.016 3.044 40S 1¼
4.085 42.016 4.053 80S 1¼
6.0352) 42.016 5.069 160 1¼
2.077 48.026 3.016 10S 1½
3.068 48.026 4.011 40S 1½
5.008 48.026 5.049 80S 1½
2.077 60.033 3.099 10S 2
1.065 13.072 0.050 10S 1/4
2.024 13.072 0.064 40S 1/4
3.002 13.072 0.081 80S 1/4
1.065 17.015 0.064 10S 3/8
2.031 17.015 0.086 40S 3/8
3.020 17.015 1.012 80S 3/8
2.011 21.034 1.002 10S 1/2
2.077 21.034 1.029 40S 1/2
3.073 21.034 1.065 80S 1/2
2.011 26.067 1.030 10S 3/4
2.087 26.067 1.071 40S 3/4
3.091 60.033 5.052 40S 2
5.054 60.033 7.060 80S 2
8.0742) 60.033 11.029 160 2
3.005 73.003 5.035 10S 2½
5.016 73.003 8.077 40S 2½
7.001 73.003 11.059 80S 2½
3.005 88.090 6.056 10S 3
5.049 88.090 11.047 40S 3
7.062 88.090 15.051 80S 3
11.0132) 88.090 21.067 160 3
3.005 101.060 7.053 10S 3½
5.074 101.060 13.078 40S 3½
8.008 101.060 18.092 80S 3½
3.005 114.030 8.050 10S 4
6.002 114.030 16.032 40S 4
8.056 114.030 22.067 80S 4
13.0492) 114.030 34.005 160 4
6.055 141.030 22.010 40S 5
9.053 141.030 31.044 80S 5
15.0882) 141.030 49.087 160 5
3.04 168.028 14.004 10S 6
7.011 168.028 28.069 40S 6
10.097 168.028 43.021 80S 6
14.027 168.028 54.075 120 6
18.0262) 168.028 68.059 160 6
8.018 219.008 43.020 40S 8
12.07 219.008 65.063 80S 8
18.023 219.008 91.030 120 8
23.0012) 219.008 112.097 160 8

Super duplex 2507 ERW pipe dimensions

Super duplex 2507 ERW pipe dimensions

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

Alloy steel 2507 pipe temperature range

Alloy steel 2507 pipe temperature range

ASME BPVC German VdTÜV
2507 316°C/ 600°F 250°C/ 482°F

2507 super duplex stainless steel pipe wall thickness

2507 super duplex stainless steel pipe wall thickness

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

What Is Super Duplex 2507 Pipe?

Super Duplex 2507 Pipe is manufactured from a super duplex stainless steel with a two-phase ferritic-austenitic microstructure.

The alloy combines:

  • High mechanical strength
  • High resistance to pitting corrosion
  • High resistance to crevice corrosion
  • Good resistance to chloride-induced stress corrosion cracking in suitable environments
  • Good general corrosion resistance
  • Good resistance to erosion-corrosion
  • Useful toughness
  • Good fabrication capability when appropriate procedures are followed

Super Duplex 2507 is commonly identified by:

  • Super Duplex 2507
  • Duplex 2507
  • UNS S32750
  • 2507 Stainless Steel Pipe
  • Super Duplex Stainless Steel Pipe

The term 2507 is commonly used commercially for this super duplex grade, while UNS S32750 is the material designation.

Key Properties of Super Duplex 2507 Pipe

Super Duplex 2507 provides a combination of corrosion resistance and strength that makes it suitable for demanding industrial applications.

High Mechanical Strength
2507 generally provides significantly higher strength than conventional austenitic stainless steels such as 304L and 316L.

Excellent Pitting Resistance
The alloy's chromium, molybdenum, and nitrogen content contributes to resistance against localized corrosion such as pitting.

Crevice Corrosion Resistance
Super Duplex 2507 can provide strong resistance to crevice corrosion in suitable chloride-containing environments.

Chloride Resistance
The material is commonly considered for applications exposed to seawater and other chloride-containing media.

Stress Corrosion Cracking Resistance
Its duplex microstructure provides useful resistance to chloride stress corrosion cracking compared with many conventional austenitic stainless steels.

Good Toughness
Super Duplex 2507 combines high strength with useful toughness when properly manufactured and processed.

Super Duplex 2507 Pipe Mechanical Properties

One of the main reasons for selecting Super Duplex 2507 is its high mechanical strength.

Important engineering characteristics include:

  • High yield strength
  • High tensile strength
  • Good toughness
  • Useful ductility
  • High resistance to mechanical loading

Actual mechanical-property requirements depend on the product form, heat-treatment condition, applicable specification, and manufacturing process.

Super Duplex 2507 Seamless Pipe

Super Duplex 2507 seamless pipe is produced without a longitudinal welded seam.

Seamless construction may be selected for applications where it is specified by the project or required by the design.

Potential applications include:

  • High-pressure process systems
  • Oil and gas piping
  • Offshore piping
  • Chemical processing
  • High-integrity fluid systems
  • Corrosive service

For high-pressure or critical applications, the required pipe manufacturing standard and testing requirements should be specified before procurement.

Super Duplex 2507 Welded Pipe

Super Duplex 2507 can also be manufactured as welded pipe where the applicable product specification permits.

Welded construction may be useful for larger pipe dimensions and certain project-specific requirements.

Because duplex stainless steel depends on an appropriate ferrite-austenite phase balance, welding requires controlled procedures.

Important considerations include:

  • Welding procedure qualification
  • Heat input
  • Interpass temperature
  • Filler metal selection
  • Post-weld requirements where applicable
  • Heat treatment
  • Inspection
  • Non-destructive testing

Improper fabrication can affect the corrosion and mechanical performance of duplex stainless steel.

Super Duplex 2507 Pipe Applications

Super Duplex 2507 Pipe is commonly considered for demanding applications involving high chloride exposure, aggressive process conditions, and elevated mechanical requirements.

Oil and Gas Industry
Used in selected offshore, subsea, production, processing, and fluid-handling systems.

Offshore Applications
Super Duplex 2507 can be considered for offshore equipment exposed to seawater and chloride-containing environments.

Marine Industry
Its corrosion resistance makes it suitable for selected marine piping and equipment applications.

Desalination Plants
Used in selected seawater intake, processing, and desalination systems where corrosion resistance is important.

Chemical Processing
Can be considered for process piping exposed to aggressive chemical environments.

Petrochemical Industry
Used in selected piping and process equipment where strength and corrosion resistance are required.

Pulp and Paper
Can be considered for selected corrosive process environments.

Power Generation
Used in selected cooling-water, process, and other corrosive service applications.

Common Applications of Super Duplex 2507 Pipe

  • Offshore oil and gas piping
  • Subsea systems
  • Marine piping
  • Seawater systems
  • Desalination plants
  • Chemical processing
  • Petrochemical facilities
  • Heat exchangers
  • Pressure vessels
  • Pulp and paper equipment
  • Water-treatment systems
  • Firewater systems
  • Corrosive process piping

Super Duplex 2507 vs 904L

Both Super Duplex 2507 and 904L provide enhanced corrosion resistance compared with conventional stainless steels, but they have different metallurgical structures.

Super Duplex 2507 generally offers higher mechanical strength, while 904L is a highly alloyed austenitic stainless steel designed for corrosion resistance in various aggressive environments.

The correct choice depends on:

  • Process chemistry
  • Chloride level
  • Temperature
  • Mechanical loading
  • Fabrication requirements
  • Welding requirements
  • Cost
  • Availability

Super Duplex 2507 vs 254 SMO

254 SMO and Super Duplex 2507 are both highly corrosion-resistant materials.

Super Duplex 2507 combines high corrosion resistance with a duplex microstructure and high mechanical strength.

254 SMO is a high-alloy austenitic stainless steel containing high molybdenum and nitrogen levels and is commonly selected for severe chloride-containing environments.

Material selection should be based on actual process conditions rather than grade name alone.

Why Choose Spark Steel for Super Duplex 2507 Pipe?

Spark Steel supplies stainless steel and specialty metal products for industrial applications.

For Super Duplex 2507 Pipe requirements, customers can discuss:

  • UNS S32750 requirements
  • Pipe dimensions
  • Seamless or welded construction
  • Quantity
  • Applicable specification
  • Testing and inspection
  • Material certification
  • Delivery requirements

Exact availability, sizes, certifications, lead time, and pricing should be confirmed with Spark Steel before ordering.

Frequently Asked Questions About Super Duplex 2507 Pipe

Super Duplex 2507 Pipe is manufactured from a highly alloyed duplex stainless steel commonly identified as UNS S32750.

It is commonly considered for oil and gas, offshore, marine, chemical processing, desalination, petrochemical, and other demanding industrial applications.

It is commonly selected for seawater and marine applications because of its high resistance to localized corrosion. Actual suitability depends on temperature, flow, oxygen levels, fouling, and other service conditions.

For many demanding chloride and high-strength applications, Super Duplex 2507 can provide advantages over 316L. However, 316L may be more economical and appropriate for less aggressive services.

No. They are different grades. 2507 is a super duplex stainless steel with higher alloying levels and generally higher corrosion resistance and strength than 2205.

Yes. Super Duplex 2507 can be welded using suitable qualified procedures. Welding parameters must be controlled to maintain appropriate metallurgical properties.

Both offer high corrosion resistance, particularly in chloride environments, but they have different metallurgical structures and compositions. 2507 generally provides higher mechanical strength.

Yes, it can be considered for many offshore applications because of its combination of high strength and corrosion resistance.

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