What are API 20E Nuts?
API 20E Nuts are bolting components used in critical applications where applicable API Spec 20E requirements apply.
API 20E establishes requirements related to the qualification, production, manufacturing controls, testing and documentation of bolting materials used in critical petroleum and natural gas industry applications.
API 20E nuts can be supplied in applicable alloy steel and carbon steel materials according to the required specification and application.
Features of API 20E Nuts
Manufactured to API Spec 20E
API 20E nuts are supplied according to applicable specification requirements and customer specifications.
Complete Material Traceability
Material and product identification supports traceability throughout the applicable manufacturing and supply process.
High Mechanical Strength
Applicable material grades provide the required mechanical properties for demanding Industrial Engineering Works applications.
Corrosion Resistant Finishes
Corrosion-resistant finishes can be supplied where applicable according to the application and customer requirements.
Third-Party Inspection Available
Third-party inspection can be arranged according to project and customer requirements.
Dimensional Accuracy
Controlled dimensions and thread characteristics support compatibility with the corresponding bolting assemblies.
Materials Available
1
Carbon Steel
Carbon steel API 20E nuts for applicable industrial and Industrial Engineering Works requirements.
2
Alloy Steel
Alloy steel API 20E nuts for demanding applications requiring specified mechanical properties and performance.
3
Special Material Grades
Special material grades can be supplied according to applicable specifications and customer requirements.
4
Heat Treatment Options
Applicable material grades can be heat treated according to the required specification and customer requirements.
Available Bolting Specification Levels (BSL)
BSL-1
BSL-1 represents the applicable baseline Bolting Specification Level requirements for API 20E bolting materials.
BSL-2
BSL-2 includes additional qualification, manufacturing controls, inspection, testing and documentation requirements compared with BSL-1.
BSL-3
BSL-3 represents a higher level of qualification and quality requirements where enhanced manufacturing controls, inspection, testing and documentation are specified.
Applications
Quality Assurance
Material Test Certificate
Applicable material test certificates can be provided according to product and customer requirements.
Mechanical Testing
Mechanical testing to verify applicable material and product properties.
Chemical Testing
Chemical analysis to verify the specified material composition.
Hardness Testing
Hardness verification according to the applicable material specification.
Ultrasonic Testing
Ultrasonic testing where required by the applicable product or inspection specification.
NDT
Non-destructive testing according to applicable customer and project requirements.
Dimensional Inspection
Verification of critical nut dimensions and product geometry.
Why Choose Industrial Engineering Works?
Industries We Serve
Oil & Gas
Industrial Engineering Works solutions for upstream, midstream and downstream Oil & Gas applications.
Offshore
API 20E nuts for offshore platforms and associated critical equipment.
LNG
Bolting solutions for applicable LNG facilities and equipment.
Petrochemical
API 20E nuts for petrochemical processing equipment and infrastructure.
Refineries
Critical fastening solutions for refinery equipment, piping and valves.
Power Plants
Bolting products for applicable power generation equipment and critical assemblies.
Energy
Fastening solutions for demanding energy-sector applications requiring specified bolting materials and quality requirements.
Product Specifications
| Specification | Details |
|---|---|
| Standard | API Spec 20E |
| Material | Carbon Steel, Alloy Steel & Special Material Grades |
| Thread | As Required |
| Sizes | As Required |
| Finish | As Required |
| Heat Treatment | As Specified |
| Certification | As Required |
| Testing | As Specified |
Frequently Asked Questions
What is API 20E?
API 20E is an API specification establishing requirements for bolting materials used in critical applications within the petroleum and natural gas industry, including applicable qualification, production, manufacturing controls, testing and documentation requirements.
Are API 20E Nuts mandatory?
API 20E nuts are required when the applicable equipment, project or customer specification calls for API 20E-compliant bolting materials. The applicable requirements should be confirmed from the project or equipment specification.
What is BSL 3?
BSL-3 is a higher Bolting Specification Level under API 20E with enhanced qualification, manufacturing controls, inspection, testing and documentation requirements where specified.
What materials are available?
Available material options include carbon steel, alloy steel and special material grades according to applicable specifications and customer requirements.
Do you provide MTC?
Yes. Applicable Material Test Certificates (MTC) and other quality documentation can be provided according to the product, project and customer requirements.
Do you ship across the USA?
Yes. API 20E nuts can be supplied throughout the USA, with worldwide shipping capabilities for international requirements.
Can you manufacture custom sizes?
Yes. Custom-sized API 20E nuts can be supplied according to required dimensions, thread configuration, material and customer specifications.
What testing is performed?
Testing can include PMI, mechanical testing, chemical testing, hardness testing, ultrasonic testing, NDT and dimensional inspection, according to applicable requirements.