Nascent Fittings Inc.·Duplex Steel
Duplex Steel RECTANGLE PIPE
Seamless & welded pipes in SS, CS, alloy, duplex & nickel. ASTM / ASME grades, cut lengths with MTCs and worldwide industrial shipping.
- Material
- Duplex Steel
- Size
- 1/2" NB to 48" NB
- Schedule
- Sch 5s, 10s, 20s, 40s, 80s, 160s, XXS / custom wall
- Standard
- ASTM
About
Duplex Steel Pipes
Product overview combined with Duplex Steel material context for project selection.
Industrial pipes for process, utility and structural piping systems. Nascent supplies seamless and welded pipe in stainless, carbon, alloy, duplex, nickel and copper alloys—cut-to-length or project lot quantities with mill test certificates.
Pipes are selected by size, schedule/wall, material grade and ends to match ASME / ASTM specifications and client drawings. Stock and indent supply support oil & gas, power, chemical, marine and general industry.
Manufacturing note
Rectangle pipe are widely used for all kinds of structural applications and fabrication projects where greater strength and superior corrosion resistance is required. Rectangle Steel Tube is a welded structural grade tubing depending on its size and wall thickness. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs. Steel Rectangle Tube is widely used in industrial maintenance, agricultural implements, transportation equipment, truck beds, trailers, frames, etc. Its box-shape configuration allows for much greater strength and rigidity compared to angles or channels. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge. Nascent fittings is one of the Manufacturer & Exporter of Rectangular Pipes, which are commonly used in applications that are subjected to highly corrosive environments. Rectangular Pipes are defiant to a wide variety of corrosive media, and they also have magnificent thermal, and magneto-strictive characteristics.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Marine
- Desalination
Configurations
Duplex Steel Pipes types
Open a type for drawings-aligned specifications.
Material scope
Duplex Steel specification
Dimensional and grade range typically supplied for RECTANGLE PIPE in this material.
- Grade
- Lining pipe: API 5L X 42, 46, 52, 56, 60, 70
- Grade
- MS Black & Galvanized pipe: IS 1239, IS 3589
- Grade
- Pipe: ASTM A 333 Gr. 6
- Grade
- Duplex steel: ASTM A790- UNS S32205, S31803
- Grade
- Super Duplex Steel: ASTM A790- UNS S32750, S32760
- Grade
- Copper Nickel: C70600(90:10), C71500(70:30)
- Grade
- Hastelloy: UNS N10276, N06455, N06022, N10665,
- Grade
- Monel: UNS N04400, N05500,
- Grade
- Aluminium: ASTM B247, B361 – 2024, 6061, 6063, 6101, 7075.
- Grade
- Titanium: ASTM B381 – Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23
Duplex Steel grades
Available grades for Pipes
Drawn from the Duplex Steel catalog and this product’s material specification.
F44
UNS S31254
High alloy duplex stainless steel.
F45
UNS S31803
Duplex stainless steel with excellent corrosion resistance.
F51
UNS S31803
Most common duplex grade.
F60
UNS S32205
High strength duplex steel.
F61
UNS S32550
Premium duplex steel for aggressive service.
UNS S31803
UNS S31803
Standard duplex stainless (22Cr) commonly supplied to ASTM A815 / A182 F51.
Best for · General duplex piping
UNS S32205
UNS S32205
Modern dual-certified duplex chemistry aligned with F60 / 2205 practice.
Best for · High-strength duplex service
UNS S32750
UNS S32750
Super duplex 25Cr grade for severe chloride and high-strength applications.
Best for · Super duplex chloride resistance
UNS S32760
UNS S32760
Super duplex with tungsten additions for aggressive seawater and process media.
Best for · Aggressive seawater and process fluids
Also available in
Other materials for this product
View Pipes in another material grade family.
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Material
Aluminium
Pipes
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Material
Stainless Steel
Pipes
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Material
Alloy Steel
Pipes
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Material
Titanium
Pipes
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Material
Carbon Steel
Pipes
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Material
Monel
Pipes
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Material
Hastelloy
Pipes
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Material
Copper
Pipes
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Material
Low Temperature Carbon Steel
Pipes
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Material
Nickel Alloy
Pipes
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Material
Copper Alloy
Pipes
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Material
Cupro Nickel
Pipes
ViewCompliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
5ASTM
ASTMASTM International material and product specifications.
- Scope
- Umbrella reference for ASTM material grades used across the catalog.
- Applies To
- Carbon, alloy, stainless, duplex and nickel-alloy piping products
ASME
ASMEAmerican Society of Mechanical Engineers — boiler, pressure vessel and piping codes.
- Scope
- Umbrella reference for ASME dimensional and material standards used on this product line.
- Applies To
- Flanges, fittings, pipes and related pressure components
EN
CENEuropean Norms for materials, flanges and fittings.
- Scope
- Umbrella reference for EN material and flange standards.
- Applies To
- EU-specified piping materials and PN flanges
ASTM A182
ASTMForged or rolled alloy and stainless steel pipe flanges, fittings, valves and parts.
- Scope
- Forged and rolled stainless, alloy and duplex steel components for high-temperature service.
- Applies To
- Flanges, fittings, valves and pressure parts
- Typical Grades
- F304/L, F316/L, F11, F22, F91, F51/F60 and related
ASME SA182
ASMEASME equivalent of ASTM A182 for forged stainless and alloy components.
- Scope
- Boiler and pressure vessel code adoption of ASTM A182 material requirements.
- Related
- ASTM A182
Certificates
5EN 10204 3.1
Mill test certificate with inspection by the manufacturer’s authorized inspection representative, independent of manufacturing.
- Type
- Inspection document (MTC)
- Scope
- States chemical analysis, mechanical test results and heat / lot identification for the supplied material.
- Documentation
- EN 10204 Type 3.1
- Benefit
- Provides traceable material evidence required on most industrial RFQs.
NACE MR0175
Materials for use in H₂S-containing environments in oil and gas production.
- Type
- Service / sour-service requirement
- Scope
- Limits hardness, microstructure and material selection for sulfide stress cracking resistance.
- Applies To
- Carbon, alloy and CRA piping products ordered for sour service
- Benefit
- Supports upstream oil & gas projects specifying sour-service compliance.
ISO 9001
Quality Management System certification.
- Type
- Quality Management System
- Scope
- Demonstrates a documented QMS covering process control, traceability and continual improvement across manufacturing and supply.
- Benefit
- Assures buyers of consistent product quality and controlled production practices.
- Issued As
- Third-party accredited certificate
PED
Pressure Equipment Directive compliance for equipment placed on the EU market.
- Type
- Regulatory conformity
- Scope
- Design and conformity assessment requirements for pressure equipment and assemblies in the European Union.
- Benefit
- Enables supply of pressure-rated components into EU projects when PED conformity is required.
- Related
- CE marking / Notified Body routes as applicable
IBR
Indian Boiler Regulations approval for boiler-quality piping materials and components.
- Type
- Regulatory approval
- Scope
- Materials and components intended for use under Indian boiler installations.
- Benefit
- Required for many power and process projects under IBR jurisdiction in India.
People also ask
Questions about Pipes
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Pipes?+
Yes. Nascent Fittings Inc. manufactures and supplies Pipes for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Pipes worldwide?+
Yes. We export Pipes globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Pipes?+
Pipes is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for Duplex Steel RECTANGLE PIPE?
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