Nascent Fittings Inc.·Copper
Copper Caps
Buttweld and forged pipe caps in stainless, carbon, alloy & duplex steel. ASME B16.9 / B16.11 sizes with MTC EN 10204 3.1 and worldwide shipping.

- Material
- Copper
- Size
- 1/2" (15 NB) to 48" (1200NB)
- Grades
- C11000 (ETP), C12200 (DHP)
- Corrosion
- Very Good
About
Copper Caps
Product overview combined with Copper material context for project selection.
The advantages of butt-weld end cap include preventing leakage permanently, adding strength and power to the piping structure and reducing pressure losses, but the cap is firmly fixed, which can't be unbolted to access the pipeline like a blind flange.
Their primary function is to waterproof piping networks in addition to resisting chemicals, moisture and weather. Our end caps have pressure releasing abilities and flexible. We offer threaded ANSI B16.9 Pipe Caps for quick assembly that also avoid the pipe from getting cracked or damaged. Our End caps are available in high temperature resisting materials, in a variety of colours, finishes and sizes.
Manufacturing note
Nascent Fittings Inc is a manufacturer and supplier of Pipe Caps. Our high quality, strong, corrosion resistant pipes caps come in various sizes to meet your all pipe fitting needs. These pipe fittings can be customized in terms of sizes and thickness as per requirement of our clients. We offer these SS pipe cap fittings in all major grades such as 304 / 304 L and 316 /316 L and many more.
Typical applications
- HVAC Systems
- Plumbing
- Electrical
- Heat Exchangers
- Industrial Utilities
- Power Generation
Copper grades
Available grades for Caps
Drawn from the Copper catalog and this product’s material specification.
C11000 (ETP)
UNS C11000
Electrolytic tough pitch copper with high electrical conductivity.
Best for · Electrical and general industrial use
C12200 (DHP)
UNS C12200
Deoxidized high phosphorus copper for welding and brazing.
Best for · Plumbing and heat transfer
Also available in
Other materials for this product
View Caps in another material grade family.
Scroll →
Compliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
6ASME 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
ASME B16.28
ASMEWrought steel buttwelding short radius elbows and returns.
- Scope
- Dimensions and marking for short-radius elbows and 180° returns.
- Applies To
- Short radius elbows and return bends
- Related
- ASME B16.9
MSS SP-43
MSSWrought and fabricated butt-welding fittings for low pressure, corrosion resistant applications.
- Scope
- Dimensions for stainless and alloy butt-weld fittings intended for low-pressure service.
- Applies To
- Buttweld fittings in corrosion-resistant alloys
- Related
- ASME B16.9
ASTM B88
ASTMSeamless copper water tube.
- Scope
- Copper water tube Types K, L and M.
- Applies To
- Potable water and related copper tube systems
ASTM B75
ASTMSeamless copper tube.
- Scope
- General-purpose seamless copper tube requirements.
- Applies To
- Copper tube for plumbing and industrial use
ASTM B280
ASTMSeamless copper tube for air conditioning and refrigeration field service.
- Scope
- Soft annealed seamless copper tube for ACR service.
- Applies To
- ACR tubing and related copper tube products
Certificates
2ISO 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
EN 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.
Manufacturing
Crafted with care
Workshop and production views for Copper Caps — the same craftsmanship photos from our plant archives, shown in webp.
2 photos


People also ask
Questions about Caps
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Caps?+
Yes. Nascent Fittings Inc. manufactures and supplies Caps for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Caps worldwide?+
Yes. We export Caps globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Caps?+
Caps 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 Copper Caps?
Share sizes, material grade and quantity — manufacturing options and delivery timelines follow.









