ASME B16.11 | Forged Threaded / Screwed Pipe Caps | Class 2000–6000 | NPS 1/8–4
Elite provides high-quality Forged Threaded / Screwed Pipe Caps for industrial piping, process systems, oil & gas, petrochemical, chemical processing, power generation and general engineering applications. Manufactured using controlled forging and precision machining processes, these fittings are designed to provide reliable dimensional accuracy, material integrity and long-term service performance.
Threaded / Screwed Pipe Caps are used to close and seal the threaded end of a pipe or fitting. They provide a compact solution for terminating small-bore piping systems and are available in a range of materials, sizes and pressure classes. Elite can supply standard and project-specific configurations in carbon steel, stainless steel, alloy steel, duplex, super duplex, copper-nickel and nickel alloys.
| Standard Threaded Pipe Caps | Specialty / Material Options |
|---|---|
| Forged Threaded Pipe Cap | Standard Threaded Pipe Cap |
| ASME B16.11 Threaded Pipe Cap | Class 2000 Threaded Pipe Cap |
| Class 3000 Threaded Pipe Cap | Class 6000 Threaded Pipe Cap |
| Stainless Steel Threaded Pipe Cap | Carbon Steel Threaded Pipe Cap |
| Alloy Steel Threaded Pipe Cap | Duplex Steel Threaded Pipe Cap |
| Super Duplex Threaded Pipe Cap | Copper-Nickel Threaded Pipe Cap |
| Nickel Alloy Threaded Pipe Cap | Monel Threaded Pipe Cap |
| Inconel Threaded Pipe Cap | Hastelloy Threaded Pipe Cap |
| Titanium Threaded Pipe Cap | Custom Forged Threaded Pipe Cap |
| Specification | Details | |
|---|---|---|
| Product Type | Forged Threaded / Screwed Pipe Cap | |
| Design / Dimensions | ASME B16.11 | |
| Thread Standard | ASME B1.20.1 / Project Specified | |
| Additional Standards | BS 3799, where applicable | |
| Size Range | NPS 1/8" to 4" | |
| Pressure Classes | 2000, 3000 and 6000 | |
| Configuration | Threaded Pipe Cap | |
| End Connection | Female Threaded / Screwed | |
| Thread Type | NPT or project specified | |
| Construction | Forged | |
| Bore | Closed End | |
| Surface Finish | Standard or customer specified | |
| Heat Treatment | As required by material specification | |
| Marking | Size, class, material, heat number and required identification | |
| Documentation | MTC, COC and project-required quality records | |
| Note: Pressure classes are stated according to the applicable ASME B16.11 threaded fitting configuration. Special pressure classes or non-standard designs can be supplied where specifically engineered and agreed for the project. | ||
| Custom Requirement | Details |
|---|---|
| Nominal Size | NPS / DN or project specific |
| Pressure Class | 2000 / 3000 / 6000 or project specified |
| Cap Type | Threaded Pipe Cap / Custom |
| Material | Required material grade |
| Connection | Threaded / Screwed |
| Thread Type | NPT / Project specified |
| Wall Thickness | Project specified |
| Overall Dimensions | Standard / Custom |
| Heat Treatment | As required |
| NDE | Project specified |
| Quality Requirements | ITP / Third-party requirements |
| Marking | Customer requirements |
| Documentation | MTC / COC / Quality reports |
| Test / Examination | Availability |
|---|---|
| Chemical Analysis | Material dependent |
| Tensile & Yield Testing | Material dependent |
| Impact Testing | Where required |
| Hardness Testing | As specified |
| Positive Material Identification (PMI) | As specified |
| Ultrasonic Testing (UT) | As specified |
| Magnetic Particle Testing (MT) | As specified |
| Liquid Penetrant Testing (PT) | As specified |
| Radiographic Testing (RT) | As specified |
| Intergranular Corrosion Testing | Where applicable |
| Pitting / Corrosion Testing | Where applicable |
| Macro / Micro Examination | Where specified |
| Additional Project-Specified Tests | Available |
| Third-Party Verification | Available |
| Document | Availability |
|---|---|
| Material Test Certificate (MTC) | Available |
| EN 10204 3.1 | Available |
| EN 10204 3.2 | Where specified |
| Certificate of Conformance (COC) | Available |
| Dimensional Report | Available |
| Chemical Analysis Report | Material dependent |
| Mechanical Test Report | Material dependent |
| Heat Treatment Records | Where applicable |
| PMI Report | As specified |
| NDE Reports | As specified |
| Quality Assurance Plan (QAP) | Project specific |
| Inspection & Test Plan (ITP) | Project specific |
| Certificate of Origin | Available |
| Packing List | Available |
| Commercial Invoice | Available |
| Fumigation Certificate | Where applicable |
| Material Traceability Records | Maintained |
| Third-Party Inspection Certificate | Available |
Note: ASME B16.11 establishes dimensional and pressure-temperature requirements for forged threaded and socket-weld fittings. Thread requirements are governed by the applicable thread standard, while material requirements are governed by the applicable ASTM/ASME material specification.
Stainless Steel
ASTM/ASME A182 F304/F304L, F316/F316L, F304H, F316H, F316Ti, F317/F317L, F321/F321H, F347/F347H and F904L, with other stainless grades available to project requirements.
Duplex & Super Duplex
ASTM/ASME A182 F51, F53 and F55, including UNS S31803, S32205, S32550, S32750, S32760 and S32950.
Carbon Steel
ASTM/ASME A105/A105N and A350 LF2/LF3, with other project-specified carbon steel grades available where applicable.
Alloy Steel
ASTM/ASME A182 F1, F5, F9, F11, F12, F22, F23, F91 and F92, with other alloy grades available according to project requirements.
Copper-Nickel Alloys
ASTM/ASME SB111 and SB466, including UNS C70600 (90/10 Cu-Ni) and C71500 (70/30 Cu-Ni).
Nickel Alloys
Nickel 200/201, Monel 400/K500, Alloy 20, Inconel 600/601/625/825 and Hastelloy C276, including applicable ASTM/ASME specifications.
Titanium & Special Alloys
Titanium and other specialty alloys can be supplied according to customer specifications, process conditions and project requirements.
Material selection is based on operating pressure, temperature, process fluid, corrosion conditions, mechanical requirements and applicable project specifications.
Standard Threaded Pipe Cap
A forged fitting with an internal threaded connection designed to close and terminate the end of a threaded pipe or fitting.
High-Pressure Threaded Pipe Cap
Forged construction suitable for high-pressure piping applications and available in applicable pressure classes according to material, design and project requirements.
Heavy-Duty Threaded Pipe Cap
A robust forged configuration suitable for demanding industrial piping applications where additional wall thickness and mechanical strength are required.
Custom Threaded Pipe Cap
Special dimensions, thread details, wall thicknesses, materials, markings and other requirements can be supplied according to customer drawings and project specifications.
Elite’s manufacturing process can include:
Forged Threaded / Screwed Pipe Caps are commonly used in:
For quotation, provide:
Size + Pressure Class + Cap Type + Material + Thread Type + Dimensions + Quantity + Quality Requirements
Example
2″ Class 6000 Threaded Pipe Cap, ASTM A182 F316L, Forged Construction, NPT Female Thread, Project-Specified Dimensions, EN 10204 3.1.
