API 6A ASTM A194 Grade 2H Heavy Hex Nuts for Oil & Gas Applications
ASTM A194 Grade 2H Heavy Hex Nuts are high-strength alloy steel nuts used with Industrial Engineering Works assemblies in oil & gas, pressure-control and industrial applications. These nuts are designed for demanding bolted connections where strength, dimensional accuracy and material traceability are important.
API 6A fastener assemblies commonly involve high-pressure equipment such as wellheads, Christmas trees, valves and other pressure-containing components. ASTM A194 Grade 2H nuts can be supplied for compatible stud bolt assemblies according to the applicable equipment, material and project requirements.
Why Choose ASTM A194 Grade 2H Nuts?
Designed for High-Pressure Bolted Connections
ASTM A194 Grade 2H nuts are commonly used for demanding bolted connections requiring suitable strength and dimensional performance.
Excellent Strength and Durability
Grade 2H provides the mechanical properties required for applicable high-pressure and industrial fastening applications.
Compatible with ASTM A193 B7 & ASTM A320 L7/L43 Stud Bolts
ASTM A194 Grade 2H nuts can be supplied for compatible assemblies using ASTM A193 B7 and ASTM A320 L7 or L43 stud bolts, subject to the applicable engineering and project requirements.
Reliable Performance in Critical Oil & Gas Environments
When correctly specified, manufactured and inspected, Grade 2H heavy hex nuts provide dependable performance for critical oil & gas bolting applications.
Technical Specifications
Available Product Types
Heavy Hex Nuts
Heavy hex nuts manufactured from ASTM A194 Grade 2H material for high-pressure and Industrial Engineering Works applications.
Finished Hex Nuts
Finished hex nuts can be supplied where the equipment or project specification requires a specific nut configuration.
Custom Machined Nuts
Custom-machined nuts can be manufactured according to customer drawings, dimensions, tolerances and application requirements.
Special Thread Nuts
Special thread configurations can be supplied according to approved technical drawings and project specifications.
Available Sizes & Thread Options
Compatible Fasteners
ASTM A320 L7 Stud Bolts
ASTM A194 Grade 2H nuts can be supplied for compatible L7 stud bolt assemblies according to the applicable engineering requirements.
ASTM A320 L43 Stud Bolts
Grade 2H nuts can be supplied for compatible ASTM A320 L43 stud bolt assemblies where specified.
ASTM A193 B7 Stud Bolts
ASTM A194 Grade 2H is commonly paired with ASTM A193 B7 stud bolts in applicable high-pressure bolting assemblies.
API 20E Stud Bolts
API 20E-related stud bolt assemblies can be supplied with compatible Grade 2H nuts when the applicable specification and BSL requirements call for them.
Applications
Inspection & Quality Assurance
Hardness Testing
Hardness testing can be performed to verify compliance with applicable material requirements and customer specifications.
Heat Number Traceability
Heat numbers are maintained throughout the applicable manufacturing and supply process to support complete material traceability.
EN 10204 3.1 / 3.2 Certificates
Material certificates can be supplied according to the required certification level, including EN 10204 3.1 or 3.2 where specified.
Dimensional Inspection
Nut dimensions, thread characteristics and applicable tolerances are inspected to support product conformity.
Third-Party Inspection
Independent third-party inspection can be arranged according to customer, EPC or project requirements.
Material Test Certificates (MTC)
Material Test Certificates can be supplied with applicable chemical, mechanical, heat-treatment and traceability information.
Why Choose Industrial Engineering Works?
Frequently Asked Questions
What are ASTM A194 Grade 2H Nuts?
ASTM A194 Grade 2H Nuts are high-strength alloy steel nuts specified for applicable high-pressure, high-temperature and pressure-containing bolted connections.
What are API 6A Heavy Hex Nuts used for?
API 6A Heavy Hex Nuts are used in applicable wellhead, Christmas tree, valve and pressure-control equipment assemblies where compatible high-strength bolting is required.
Which stud bolts are compatible with ASTM A194 Grade 2H Nuts?
Grade 2H nuts can be used with compatible ASTM A193 B7, ASTM A320 L7 and L43 stud bolts, as well as other specified bolting materials where the engineering requirements permit.
Do you manufacture custom thread sizes?
Yes. Custom thread sizes, diameters, dimensions and configurations can be manufactured according to customer drawings and project requirements.
Can you supply EN 10204 3.1 certificates?
Yes. EN 10204 3.1 material certification can be supplied where specified. EN 10204 3.2 inspection documentation can also be arranged when required.
Do you export ASTM A194 Grade 2H Nuts to the USA?
Yes. ASTM A194 Grade 2H Heavy Hex Nuts can be supplied to USA customers along with worldwide export capabilities.