Threaded / Screwed 90° Elbows
Threaded / Screwed 90° Elbows
ASME B16.11 | Forged Threaded / Screwed 90° Elbows | Class 2000–6000 | NPS 1/8–4
Elite provides high-quality Forged Threaded / Screwed 90° Elbows for industrial piping, process systems, oil & gas, petrochemical, chemical, power generation and general engineering applications. Manufactured using controlled forging and precision machining processes, these fittings are produced for reliable dimensional accuracy, material integrity and long-term service performance.
Threaded / Screwed 90° Elbows provide a 90-degree change in piping direction through threaded connections, offering a compact solution for piping systems where welding is not required. Elite can supply standard and project-specific configurations in carbon steel, stainless steel, alloy steel, duplex, super duplex, copper-nickel and nickel alloys.
ASME B16.11 Forged Threaded / Screwed 90° Elbow Available Types
| Standard Threaded 90° Elbows | Specialty / Material Options |
|---|---|
| Forged Threaded 90° Elbow | Long Radius Threaded 90° Elbow |
| ASME B16.11 Threaded 90° Elbow | Short Radius Threaded 90° Elbow |
| Class 2000 Threaded 90° Elbow | Class 3000 Threaded 90° Elbow |
| Class 6000 Threaded 90° Elbow | Stainless Steel Threaded 90° Elbow |
| Carbon Steel Threaded 90° Elbow | Alloy Steel Threaded 90° Elbow |
| Duplex Steel Threaded 90° Elbow | Super Duplex Threaded 90° Elbow |
| Copper-Nickel Threaded 90° Elbow | Nickel Alloy Threaded 90° Elbow |
| Monel Threaded 90° Elbow | Inconel Threaded 90° Elbow |
| Hastelloy Threaded 90° Elbow | Titanium Threaded 90° Elbow |
| High-Pressure Threaded 90° Elbow | Custom Forged Threaded 90° Elbow |
Standard Specifications for Forged Threaded / Screwed 90° Elbow
| Specification | Details | |
|---|---|---|
| Product Type | Forged Threaded / Screwed 90° Elbow | |
| 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 | 90° Threaded / Screwed Elbow | |
| Radius | Standard / Short Radius / Long Radius, where applicable | |
| End Connection | Threaded / Screwed | |
| Thread Type | NPT or project specified | |
| Construction | Forged | |
| Bore | Standard or project specified | |
| 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 Engineering
| Custom Requirement | Details |
|---|---|
| Nominal Size | NPS / DN or project specific |
| Pressure Class | 2000 / 3000 / 6000 or project specified |
| Elbow Type | Standard / Short Radius / Long Radius |
| Angle | 90° |
| Material | Required material grade |
| Connection | Threaded / Screwed |
| Thread Type | NPT / Project specified |
| Bore | Standard / Project specified |
| Wall Thickness | Project specified |
| Center-to-End | Standard / Custom |
| Heat Treatment | As required |
| NDE | Project specified |
| Quality Requirements | ITP / Third-party requirements |
| Marking | Customer requirements |
| Documentation | MTC / COC / Quality reports |
Testing & Examination
| 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 |
Documentation Package
| 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 |
Applicable Standards
- ASME B16.11 — Forged Fittings, Socket-Welding and Threaded
- ASME B1.20.1 — Pipe Threads, General Purpose
- BS 3799 — Steel Pipe Fittings, Screwed and Socket-Welding for the Petroleum Industry, where applicable
- ASME B31.3 — Process Piping, where applicable
- Applicable ASTM/ASME material specifications
- NACE MR0175 / ISO 15156, where applicable
- Customer drawings and project specifications
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.
Materials
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.
Forged Threaded / Screwed 90° Elbow Configurations
Standard Threaded 90° Elbow
A forged fitting designed to provide a 90-degree change in piping direction through threaded connections.
Long Radius 90° Threaded Elbow
A configuration with an extended turning radius for applications requiring a smoother directional transition and project-specific dimensions.
Short Radius 90° Threaded Elbow
A compact configuration designed for installations where space is limited and a shorter center-to-end dimension is required.
High-Pressure Threaded Elbow
Forged construction suitable for high-pressure piping applications and available in applicable pressure classes according to material, design and project requirements.
Custom Threaded 90° Elbow
Special dimensions, bore configurations, wall thicknesses, materials, thread details, end configurations and markings can be supplied according to customer drawings and project specifications.
Design Features
- Forged construction
- 90° change of piping direction
- Threaded / screwed connection
- NPT and project-specific thread options
- Compact installation configuration
- High-pressure service capability
- Multiple material options
- Carbon steel, stainless steel, alloy and specialty alloy construction
- Suitable for elevated-temperature service
- Suitable for corrosive and sour-service applications where specified
- Standard and custom dimensions
- Heat-number traceability
- PMI and NDE available
- Customer-specific marking
- Project-specific quality documentation
Manufacturing & Quality
Elite’s manufacturing process can include:
- Raw material verification
- Forging preparation
- Closed-die or open-die forging, as applicable
- Heat treatment
- CNC machining
- Thread machining
- Bore machining
- Surface finishing
- Dimensional verification
- Heat-number traceability
- Product identification
- Hardness verification
- PMI
- Final quality verification
- Marking and packing
Product Types
- Forged Threaded / Screwed 90° Elbows
- ASME B16.11 Threaded 90° Elbows
- Class 2000 Threaded 90° Elbows
- Class 3000 Threaded 90° Elbows
- Class 6000 Threaded 90° Elbows
- Long Radius Threaded 90° Elbows
- Short Radius Threaded 90° Elbows
- Stainless Steel Threaded 90° Elbows
- Carbon Steel Threaded 90° Elbows
- Alloy Steel Threaded 90° Elbows
- Duplex & Super Duplex Threaded 90° Elbows
- Copper-Nickel Threaded 90° Elbows
- Nickel Alloy Threaded 90° Elbows
- Monel Threaded 90° Elbows
- Inconel Threaded 90° Elbows
- Hastelloy Threaded 90° Elbows
- Titanium Threaded 90° Elbows
- Custom Forged Threaded 90° Elbows
Applications
Forged Threaded / Screwed 90° Elbows are commonly used in:
- Oil & Gas
- Refineries
- Petrochemical Plants
- Chemical Processing
- LNG & Natural Gas
- Power Generation
- Offshore & Marine
- Process Plants
- Process Skids
- High-Pressure Piping
- Steam Systems
- Hydraulic Systems
- Instrument Piping
- Water Treatment
- Paper & Pulp
- Food Processing
- Pharmaceutical Plants
- Fabrication & Engineering Projects
- General Industrial Piping
Ordering Information
For quotation, provide:
Size + Pressure Class + Elbow Type + Material + Thread Type + Bore + Quantity + Quality Requirements
Example
2″ Class 6000 Threaded 90° Elbow, ASTM A182 F316L, Forged Construction, NPT Threaded Ends, Project-Specified Dimensions, EN 10204 3.1.
