Nascent Fittings Inc.·Carbon Steel
Carbon Steel 180 degree Return Cap
Buy 180° return end caps in SS, CS, alloy & duplex steel. ASME B16.9 sizes, mill test certificates and global export from Nascent Fittings Inc.

- Material
- Carbon Steel
- Size
- 1/2" to 4"NB
- Schedule
- 10/20/40/80/100/120/160/XXS
- Grades
- ASTM A234 WPB, P235TR2, P265TR2 +
About
Carbon Steel 180 degree Return Cap
Product overview combined with Carbon Steel material context for project selection.
The inspection is performed from the first stage that is buying of raw substances to the last stage of packaging and delivering of the item. This gives them surety of offering a commendable quality of service. If talking about the testing, yes, the producers are giving importance to testing to check product quality before it finally gets shipped. The testing performed is a mechanical test, chemical test, hardness test, positive material identification test, intergranular corrosion test, flattening and flaring test, pitting resistance test etc.
The main function of an return cap is in point of fact to impede the precise end of a line in the piping system. And this is being achieved by placing Butt Weld Fittings return Cap on the open-line together with on the welding in the region of point. The return caps are tested for accuracy, durability and precision before being sold out in the to our clients.
Manufacturing note
Nascent Fittings Inc. is a manufacturer and supplier of Stainless Steel 180 Return Caps. Our high quality, strong, corrosion resistant return caps come in various sizes to meet your all pipe fitting needs. We provide this product possessing standards like ASME B16.11 and ANSI B16.9 that are checked regularly at each stage of production to ensure high quality, corrosion resistant and highly durable.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Refineries
- Pressure Vessels
Material scope
Carbon Steel specification
Dimensional and grade range typically supplied for 180 degree Return Cap in this material.
- Grade
- Carbon Steel: ASTM A 234 WPB, IS 1239 PART II
- Grade
- Carbon Steel: DIN Standard – EN 10253-2 – P235TR2/P265TR2/P235GH/P265GH/P355N/P355NH
- Services
- Hot Dip Galvanizing, Sand Blasting, Coating – FBE/3LPE/PTFE
Carbon Steel grades
Available grades for 180 degree Return Cap
Drawn from the Carbon Steel catalog and this product’s material specification.
ASTM A234 WPB
Standard carbon steel buttweld fitting grade for moderate and elevated temperature service.
Best for · General buttweld piping
P235TR2
EN carbon steel grade for welded tubes for pressure purposes with specified elevated temperature properties.
Best for · Pressure tubing
P265TR2
Higher-strength EN carbon steel for welded pressure tubes.
Best for · Higher pressure tube service
P235GH
EN non-alloy steel for elevated temperature pressure vessels and pipe.
Best for · Elevated temperature pressure service
P265GH
EN non-alloy steel with higher yield for elevated temperature pressure equipment.
Best for · Higher-duty pressure vessels
P355N
Normalized fine-grain EN carbon-manganese steel for pressure vessels.
Best for · Normalized pressure vessel service
P355NH
Elevated-temperature variant of P355 for pressure applications.
Best for · Elevated temperature pressure vessels
Also available in
Other materials for this product
View 180 degree Return Cap in another material grade family.
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Material
Duplex Steel
UNS S31803 · UNS S32205
View
Material
Low Temperature Carbon Steel
ASTM A420 WPL6
View
Material
Cupro Nickel
Cu-Ni 90/10 (C70600) · Cu-Ni 70/30 (C71500)
View
Material
Nickel Alloy
Nickel 200 · Nickel 201
View
Material
Monel
Monel 400 · Monel K500
View
Material
Hastelloy
Hastelloy C-276 · Hastelloy C-22
View
Material
Aluminium
3003-H18 · 3003-H112
View
Material
Titanium
Grade 1 · Grade 2
View
Material
Stainless Steel
F304 · SMO 254
View
Material
Alloy Steel
F5 · F9
ViewCompliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
14ASTM A234
ASTMPiping fittings of wrought carbon steel and alloy steel for moderate and high temperature service.
- Scope
- Seamless and welded wrought carbon and alloy steel fittings.
- Applies To
- Buttweld elbows, tees, reducers, caps and related forms
- Typical Grades
- WPB, WP5, WP9, WP11, WP22, WP91
ASTM A420
ASTMPiping fittings of wrought carbon steel and alloy steel for low-temperature service.
- Scope
- Wrought fittings suitable for low-temperature pressure piping.
- Applies To
- Buttweld fittings for cryogenic / LT service
- Typical Grades
- WPL6
ASTM A403
ASTMWrought austenitic stainless steel piping fittings.
- Scope
- Seamless and welded wrought stainless steel fittings.
- Applies To
- Buttweld and related stainless fittings
- Typical Grades
- WP304/L, WP316/L, WP321, WP347, WP904L
ASTM A815
ASTMWrought ferritic, ferritic/austenitic and martensitic stainless steel piping fittings.
- Scope
- Duplex and related stainless fittings for corrosive service.
- Applies To
- Buttweld fittings in duplex / super duplex grades
- Typical Grades
- UNS S31803, S32205, S32750, S32760
ASTM B361
ASTMFactory-made wrought aluminum and aluminum-alloy welding fittings.
- Scope
- Wrought aluminium fittings for welding assembly.
- Applies To
- Aluminium buttweld elbows, tees, reducers and caps
ASTM B381
ASTMTitanium and titanium alloy forgings.
- Scope
- Forged titanium components for industrial and corrosion-resistant service.
- Applies To
- Titanium flanges, fittings and forged parts
ASME B16.11
ASMEForged fittings — socket-welding and threaded.
- Scope
- Ratings, dimensions, tolerances, marking and material requirements for forged fittings.
- Applies To
- Socket-weld and threaded elbows, tees, couplings, unions, plugs and bushings
- Class Range
- Class 2000, 3000, 6000 (and related pressure classes)
ASME B16.9
ASMEFactory-made wrought buttwelding fittings.
- Scope
- Dimensions, tolerances, ratings, and markings for wrought buttweld fittings.
- Applies To
- Elbows, tees, reducers, caps, crosses, stub ends and related forms
- Size Coverage
- Typically NPS ½ through 48
- Related
- MSS SP-43, ASME B16.28
EN 10253-2
ENButt-welding pipe fittings — non-alloy and ferritic alloy steels with specific inspection requirements.
- Scope
- European dimensional and technical delivery conditions for carbon/alloy BW fittings.
- Applies To
- Buttweld fittings in P235 / P265 and related grades
EN 10253-4
ENButt-welding pipe fittings — wrought austenitic and austenitic-ferritic (duplex) stainless steels.
- Scope
- European requirements for stainless and duplex BW fittings.
- Applies To
- Stainless and duplex buttweld fittings
IS 1239 Part II
BISMild steel tubes, tubulars and other wrought steel fittings — fittings.
- Scope
- Indian Standard covering wrought steel pipe fittings.
- Applies To
- MS / GI fittings commonly used in Indian utility piping
DIN Standard
DINGerman Institute for Standardization piping / material norms.
- Scope
- Collective reference for DIN dimensional and material standards used on export and EU projects.
- Applies To
- Flanges, fittings and materials when DIN designation is specified
ASTM A105
ASTMCarbon steel forgings for piping applications.
- Scope
- Forged carbon steel piping components for ambient and higher-temperature service.
- Applies To
- Flanges, fittings, valves and similar parts
- Typical Grades
- A105 / A105N
ASTM A694
ASTMCarbon and alloy steel forgings for pipe flanges, fittings, valves and parts for high-pressure transmission service.
- Scope
- High-strength carbon steel forgings for pipeline transmission flanges and fittings.
- Applies To
- Flanges and forged fittings for high-pressure gas/oil transmission
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.
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.
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.
Manufacturing
Crafted with care
Workshop and production views for Carbon Steel 180 degree Return Cap — the same craftsmanship photos from our plant archives, shown in webp.
3 photos



People also ask
Questions about 180 degree Return Cap
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture 180 degree Return Cap?+
Yes. Nascent Fittings Inc. manufactures and supplies 180 degree Return Cap for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export 180 degree Return Cap worldwide?+
Yes. We export 180 degree Return Cap globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for 180 degree Return Cap?+
180 degree Return Cap 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 Carbon Steel 180 degree Return Cap?
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