ASTM A194 2H Stud Bolts & Heavy Hex Nuts
ASTM A194 2H Stud Bolts & Heavy Hex Nuts | Black and Hot-Dip Galvanized | M12–M24
SSM supplies high-quality ASTM A194 Grade 2H stud bolts paired with heavy hex nuts, available in black and hot-dip galvanized finishes, designed for high-pressure and high-temperature industrial applications. These bolts are widely used in petrochemical, oil & gas, and power plant equipment where strength, durability, and corrosion resistance are critical.
Product Overview
Stud bolts are threaded rods used with heavy hex nuts to assemble flanged connections or machinery components.
ASTM A194 Grade 2H ensures high tensile strength and hardness, making them ideal for pressure vessels, flanges, and pipelines.
SSM provides stud bolts and nuts in metric sizes M12, M14, M16, M18, and M24, with black finish or hot-dip galvanized coating for enhanced corrosion protection.
Material & Mechanical Properties
| Specification | Features |
|---|---|
| ASTM A194 2H | High-strength carbon steel alloy, quenched and tempered for high tensile strength |
| Heavy Hex Nuts | ASTM A194 2H compatible, high torque capacity, durable under high-pressure conditions |
| Finish | Black (as-forged) or Hot-Dip Galvanized for corrosion resistance |
| Tensile Strength | Min. 830 MPa |
| Hardness | HRC 32–39 |
Technical Specifications
| Parameter | Description |
|---|---|
| Standard | ASTM A194 2H / Heavy Hex Nut standard |
| Sizes Available | M12, M14, M16, M18, M24 |
| Thread Type | Metric ISO threads |
| Length Range | Customizable per project requirements |
| Finish Options | Black, Hot-Dip Galvanized |
| Testing | Tensile Test, Hardness Test, Thread Gauge Inspection, Dimensional Inspection |
| Certification | EN 10204 3.1 / 3.2 available |
Applications
Flanged connections in oil & gas pipelines
Petrochemical and chemical plants
Pressure vessels and boilers
Industrial machinery assembly
Marine and offshore platforms
Advantages of SSM ASTM A194 2H Stud Bolts & Nuts
High tensile strength and hardness for heavy-duty applications
Durable forged construction ensures long service life
Black and galvanized finishes for corrosion protection in harsh environments
Custom lengths and sizes to suit industrial requirements
30+ years of experience in manufacturing premium industrial fasteners
Conclusion
SSM's ASTM A194 2H stud bolts with heavy hex nuts in M12–M24 provide reliable, high-strength fastening solutions for industrial, petrochemical, and oil & gas applications.
Available in black or hot-dip galvanized finishes, these premium bolts and nuts ensure durable, safe, and corrosion-resistant connections for critical high-pressure assemblies.
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