Description
Pressure-service heavy hex nuts
ASTM A194 Grade 2H Heavy Hex Nuts
Heat-treated carbon-steel heavy hex nuts for bolting assemblies used in pressure equipment, industrial flanges and demanding temperature service.
Product overview
ASTM A194/A194M covers several nut grades for high-pressure, high-temperature or combined service. Grade 2H heavy hex nuts are widely paired with ASTM A193 Grade B7 stud bolts when the ordered size, thread, finish and governing specification are compatible.
A194 Grade 2H nut specifications
| Nut standard | ASTM A194/A194M, ordered edition |
|---|---|
| Grade | 2H |
| Style | Heavy hex nut |
| Threads | UNC, UNF, 8UN or ordered compatible thread |
| Typical pairing | ASTM A193 Grade B7 bolting, subject to the project specification |
| Finish options | Plain, black oxide, zinc, hot-dip galvanized, PTFE or project coating |
Dimensions, thread series, coatings, compatible nuts and washers, testing and documentation are supplied to the purchase order and the applicable standard edition.
Typical applications
Information required for quotation
- Applicable standard, grade and latest required edition
- Diameter, thread series and thread class
- Overall length, thread length and quantity
- Surface finish or coating system
- Matching nut and washer requirements
- Inspection, test certificate, marking and packing requirements
- Delivery destination and required schedule
Quality and documentation
SASA FLANGE can arrange material traceability, dimensional inspection, thread gauging, mechanical testing, coating inspection and EN 10204 documentation according to the confirmed purchase order. Product selection and final acceptance criteria remain subject to the governing design code and project specification.
Request a quotation
Send your fastener list, drawing or project specification for a technical review and quotation.
