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Rajgranth Metal & AlloysRAJGRANTH

Super Duplex welded pipes
OD 114.3 mm × SCH 10

This is a size we hold rather than one we have to roll. Roughly equal austenite and ferrite. Around twice the yield strength of 316L. Supplied with a mill test certificate to EN 10204 3.1 as standard.

OD 114.3 mm × SCH 10UNS S31803 / S32205 / S32550 / S32750 / S32760EN 1.4462 / 1.4507 / 1.4501HSN 7306

Properties

Duplex
PREN
41

Pitting resistance equivalent. Higher resists chlorides better.

Relative cost
2.60×

Indexed to 304. Indicative, for specification triage.

Max service temp
300 °C
Magnetic
Partially
Weldability
Procedure required
Machinability
Difficult
01Product description

Super Duplex stainless steel welded Pipes, OD 114.3 mm × SCH 10: stockist and supplier in Mumbai

Rajgranth Metal & Alloys stocks and supplies Super Duplex welded Pipes, OD 114.3 mm × SCH 10 from Mumbai, with the material, tests and documentation covered by our ISO 9001:2015 quality system. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.

The item

Super Duplex welded Pipes with an outside diameter of 114.3 mm in schedule 10. Roughly equal austenite and ferrite. Around twice the yield strength of 316L.

Grade and designations

Duplex and Super Duplex Stainless Steel, designated UNS S31803 / S32205 / S32550 / S32750 / S32760, EN 1.4462 / 1.4507 / 1.4501, AISI F51 / F60 / F53 / F55, JIS SUS329J3L, GB S22053 and Werkstoff X2CrNiMoN22-5-3 / X2CrNiMoCuWN25-7-4.

Standards and finishes

Standards include ASTM A213 / ASME SA-213, ASTM A269, ASTM A312 / ASME SA-312, ASTM A376 / ASME SA-376, ASTM A789 / ASME SA-789, ASTM A790 / ASME SA-790, ASTM A268 / ASME SA-268 and ASTM A511. Finishes and conditions include Bright Annealed (CFA), Solution Annealed (CFD), Electro Polished (EP), Polished (APP), Annealed and Pickled (AP), Mirror Polish, Matt Polish and Cold Drawn.

Where it is used

offshore and subsea piping, seawater cooling and desalination, chemical tankers and cargo systems, sour gas service and pressure vessels where weight matters. We supply across India and export to markets in the Middle East, Africa, Europe, Asia, North America and South America.

Ordering

Send the quantity, standard and any special requirement and we will confirm availability. Material is supplied with documentation, tested in house across 18 listed testing facilities, and covered by our ISO 9001:2015 quality management system.

Also searched as

  • super Duplex welded Pipes, OD 114.3 mm × SCH 10 supplier
  • Super Duplex 114.3 mm welded Pipes stockist in Mumbai
  • stainless Steel Welded Pipes 114.3 mm

This size

07 rows
Grade
Super Duplex
Product
Welded Pipes
Outside diameter
114.3 mm
Schedule
SCH 10
Length
5 m6.5 m

Cut to length on request

Ends
PlainBevelled
Certification
EN 10204 3.1

3.2 with third-party inspection on request

Other sizes in this grade are supplied to order — usually from stock.

Surface finishes

08
  • Bright Annealed (CFA)
  • Solution Annealed (CFD)
  • Electro Polished (EP)
  • Polished (APP)
  • Annealed and Pickled (AP)
  • Mirror Polish
  • Matt Polish
  • Cold Drawn

Standards

10
  • ASTM A213 / ASME SA-213
  • ASTM A269
  • ASTM A312 / ASME SA-312
  • ASTM A376 / ASME SA-376
  • ASTM A789 / ASME SA-789
  • ASTM A790 / ASME SA-790
  • ASTM A268 / ASME SA-268
  • ASTM A511
  • ASTM B163 / ASME SB-163
  • ASTM B407 / ASME SB-407
01Also held

Other Super Duplex welded pipes sizes

Complete technical reference

SS welded pipes grade Super Duplex Diameter 114.3 mm X Sch 10

The full detail for this product as supplied from our Mumbai stockyard: sizes, grades, standards, tolerances, tests and applications.

  • SS seamless Tubes

SS welded pipes grade Super Duplex Diameter 114.3 mm X Sch 10,Suppliers & Exporters in India.

Super Duplex Stainless Steel (SDSS) is an advanced alloy known for its excellent corrosion resistance and high strength. It combines the properties of both austenitic and ferritic stainless steels, making it suitable for demanding environments. The unique microstructure of Super Duplex allows it to perform exceptionally well in both acidic and chloride-rich conditions.

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What is Super Duplex Stainless Steel?

Super Duplex Stainless Steel (SDSS) is a hybrid alloy combining the best features of both austenitic and ferritic stainless steels. It typically contains a higher chromium (around 25%) and molybdenum (around 4-7%) content, resulting in enhanced resistance to corrosion, particularly in environments containing chlorides. The dual-phase structure (approximately 50% austenite and 50% ferrite) gives SDSS its exceptional mechanical properties.

Properties of Super Duplex Stainless Steel

  • Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. This makes it suitable for aggressive environments.
  • High Strength:Super Duplex possesses a high tensile strength, allowing it to withstand significant pressure, which is critical in oil and gas applications.
  • Impact Toughness: Maintains toughness at low temperatures, ensuring performance in harsh conditions.
  • Thermal Conductivity: Good thermal conductivity properties, making it effective for heat exchangers and thermal management systems.

Specifications: Diameter and Schedule

  • Diameter (114.3 mm): This measurement refers to the outer diameter of the pipe, a crucial factor in determining flow rates and fitting compatibility in various applications.
  • Schedule 10 (Sch 10):The wall thickness for Schedule 10 is relatively thin, which contributes to a lightweight construction while still providing sufficient strength for low-pressure applications. It is commonly used in systems where weight reduction is necessary, such as offshore platforms.

Manufacturing Process of Welded Pipes

The production of SS seamless welded pipes typically involves the following steps:

  • Billet Preparation: Starting with a solid steel billet, it is heated to a temperature above its recrystallization point.
  • Piercing:The heated billet is pierced to create a hollow tube.
  • Elongation: The hollow tube is then elongated and reduced in diameter through a series of rollers.
  • Heat Treatment: Pipes undergo heat treatment to relieve stresses and enhance mechanical properties.
  • Finishing: The pipes are cut to length, and surface finishes are applied based on customer requirements.

Standards and Certifications

Pipes made from Super Duplex stainless steel should comply with various international standards, including:

  • ASTM A789/A790: These standards cover seamless and welded austenitic/ferritic stainless steel pipes for general corrosion-resistant applications.
  • ISO 9001: Quality management system standard ensuring consistent product quality.
  • NACE MR0175/ISO 15156: Specifications for materials used in H2S-containing environments.

Applications of Super Duplex SS Welded Pipes

  • Oil and Gas Exploration: Utilized in drilling operations and piping systems that require high strength and resistance to corrosive environments.
  • Chemical Processing Plants: Essential for transporting chemicals, where resistance to corrosive agents is critical.
  • Desalination Plants: Used in seawater intake and outfall piping due to its ability to withstand seawater corrosion.
  • Pharmaceutical Industry:Ideal for equipment and piping systems that require strict hygiene and corrosion resistance.
  • Pulp and Paper Industry: Effective in handling aggressive chemicals used in pulp processing.

Advantages of SS Welded Pipes

  • Reduced Risk of Leaks: Seamless pipes eliminate the weaknesses associated with welded joints, reducing the risk of leaks and failures.
  • Increased Flow Efficiency: The absence of seams means smoother internal surfaces, which can enhance flow rates and reduce pressure drops.
  • Lower Maintenance Costs: High durability and resistance to wear and corrosion translate to lower maintenance needs over the lifespan of the pipe.
  • Environmental Benefits: Their longevity and resilience lead to reduced replacement and disposal rates, contributing to a more sustainable approach.

Stainless Steel Pipes Dimension – (S.S. Pipes)

19 entries
Stainless Steel Pipes Dimension – (S.S. Pipes)131
Wall thickness in mm.0.50.60.70.811.21.622.633.23.6
O.D. in mm.Weight in kg/meter121
60.0690.0810.0930.1040.1250.1440.176–––––
9.520.1120.1340.1540.1740.2130.2490.317–––––
100.1190.1410.1630.1840.2250.2640.336–––––
12.70.1530.1820.210.2380.2930.3450.444–––––
140.1690.2010.2330.2640.3250.3840.496–––––
15.870.1920.2290.2660.3010.3720.440.5710.694––––
190.2310.2760.320.3640.450.5340.6960.851.0661.21.264–
250.3060.3660.4250.4840.60.7140.9361.151.4561.651.7441.926
25.40.3110.3720.4320.4920.610.7260.9521.171.4821.681.7761.962
31.8–––––0.9181.2081.491.8982.162.2882.538
38–––––1.1041.4561.82.3012.6252.7843.096
44.5–––––1.2991.7162.1252.7243.1133.3043.681
50.8–––––1.4881.9682.443.1333.5853.8084.248
63.5––––––2.4763.0753.9594.5384.8245.391
76.1––––––2.983.7054.7785.4835.8326.525
101.6––––––44.98677,8728.82

Chemical Composition

22 entries
CHEMICAL COMPOSITION (IN PERCENTAGE)111
GradeC (Max)Mn (Max)P (Max)S (Max)Si (Max)CrNiMoNitrogen (Max)Cu/ Others
3010.1520.0450.03116.00 – 18.006.00 – 8.00–0.1–
3040.0820.0450.030.7518.00 – 20.008.00- 10.50–0.1–
304L0.0320.0450.030.7518.00 – 20.008.00- 12.00–0.1–
310S0.0820.0450.031.524.00- 26.0019.00 – 22.00–––
3160.0820.0450.030.7516.00 – 18.0010.00 – 14.002.00 – 3.000.1–
316L0.0320.0450.030.7516.00 – 18.0010.00 – 14.002.00 – 3.000.1–
3170.0820.0450.030.7518.00 – 20.0011.00 – 14.003.00 – 4.000.1–
317L0.0320.0450.030.7518.00 – 20.0011.00 – 15.003.00 – 4.000.1–
3210.0820.0450.030.7517.00 – 19.009.00 – 12.00–0.1Ti5 ( C + N ) Min or 0.70 max
3470.0820.0450.030.7517.00 – 19.009.00 – 13.00––Cb= 10x ( C Min ) or 1.00 Max
4090.0810.040.01110.50 – 11.750.5––Ti= 6x (C+ N ) Min or 0.70 Max
409M0.030.81.20.030.030.40.7511.00- 12.001.5 max.––Ti= 6x (C) Min or 0.70 Max
410S0.0810.040.03111.50- 13.500.6–––
4100.1510.040.03111.50- 13.500.75–––
4200.350.50.0350.0150.512.00 – 13.000.20.3–––
4300.1210.040.03116.00 – 18.000.75–––
JSL AUS0.087.08.00.070.030.7515.50 – 16.504.25 – 4.75––0.9 – 1.10
JS- 2030.089.2510.250.070.030.7514.25 – 15.252.25 – 2.75––1.60- 2.0
301M0.14.55.50.060.030.7514.50 – 15.506.0 – 7.0––1.70- 1.90
* Thickness of 1.27mm & below will have elongation of 20% min.111

Mechanical Properties

22 entries
MECHANICAL PROPERTIES61
Grade12Tensile Strength Mpa, (Min)12Yield Strength Mpa, (Min)12%Age Elongation in 50mm gauge length min12Hardness (Max)21
BHNRb
3015152054021795
3045152054020192
304L4851704020192
310S5152054021795
3165152054021795
316L4851704021795
3175152053521795
317L5152054021795
3215152054021795
3475152054020192
4093801702017988
409M4302752018790
410S4152052218389
4104502052021789
420700( max )–1521795
4304502052218389
JSL AUS5152054021795
JS- 2035152054021795
301M5152054021795

Duplex / Super Duplex applications

05
  • Offshore and subsea piping
  • Seawater cooling and desalination
  • Chemical tankers and cargo systems
  • Sour gas service
  • Pressure vessels where weight matters

Industries

08

Super Duplex welded pipes, OD 114.3 mm × SCH 10.

Tell us the quantity and where it is going. We will confirm stock and come back with price the same working day.

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