ASTM A194 GR 8A Nuts, ASTM A194 GR 8A Heavy Hex Nuts, GR 8A Nuts & GR 8A Nut Manufacturer and Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 8A Nuts in Mumbai, India, supplying stainless steel nuts for pressure equipment, piping networks, valves, flanges and industrial bolting assemblies. These nuts are intended for fastening applications where corrosion resistance, reliable mechanical performance and secure joint tightening are important. We supply different sizes, thread configurations and finishes for standard as well as customized requirements.
ASTM A194 GR 8A Nuts are produced from austenitic stainless steel and are suitable for demanding bolted connections exposed to moisture, industrial atmospheres and corrosive service conditions. Their stainless steel construction provides useful resistance to rust and corrosion, while their mechanical characteristics support dependable clamping in pressure and general engineering assemblies. They are commonly used with compatible stainless steel bolts and studs to create durable fastening systems.
ASTM A194 GR 8A Nuts, ASTM A194 GR 8A Heavy Hex Nuts, GR 8A Nuts & GR 8A Nut Bolting Manufacturer and Supplier in Mumbai, India
These nuts are widely used in chemical-processing equipment, petrochemical facilities, refineries, pressure vessels, process piping, valves, flanged connections, water-treatment systems and industrial machinery. Their corrosion-resistant properties make them suitable for applications where long-term joint durability and reduced maintenance are required.
ASTM A194 GR 8A Nuts can be supplied in a variety of sizes, thread forms and surface finishes to accommodate different installation requirements. They are suitable for fabrication, maintenance, equipment assembly and industrial projects requiring dependable stainless steel nut-and-bolt connections.
Get the Best Quote for ASTM A194 GR 8A Nuts. We Stock ASTM A194 GR 8A Nuts in Various Diameters, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.
ASTM A194 GR 8A Nuts Specifications
| Material | Austenitic Stainless Steel |
|---|---|
| Grade | ASTM A194 Grade 8A |
| Standard | ASTM A194 / ASME SA194 |
| Equivalent Grade | Type 304 Stainless Steel / UNS S30400 |
| Product Type | Heavy Hex Nuts, Hex Nuts, Lock Nuts and Custom Nuts |
| Size Range | 1/4″ to 4″ | M6 to M100 | Custom Sizes Available |
| Thread Standard | UNC, UNF, UNEF, Metric and Custom Threads |
| Manufacturing Process | Hot Forged, Cold Forged and Machined |
| Heat Treatment | Solution Annealed |
| Finish | Plain, Passivated, Pickled, Polished and Custom Finishes |
| Corrosion Resistance | Excellent Resistance to General Corrosion, Oxidation and Moisture |
| Temperature Service | Suitable for High-Temperature and High-Pressure Bolting Applications |
| Application | Pressure Vessels, Piping Systems, Flanges, Valves, Oil & Gas, Petrochemical, Refineries, Power Generation, Chemical Processing and General Industrial Applications |
Chemical Composition for ASTM A194 GR 8A Nuts
| Element | ASTM A194 Grade 8A (%) |
|---|---|
| Carbon (C) | 0.08 max. |
| Manganese (Mn) | 2.00 max. |
| Silicon (Si) | 1.00 max. |
| Phosphorus (P) | 0.045 max. |
| Sulfur (S) | 0.030 max. |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 10.50 |
| Nitrogen (N) | 0.10 max. |
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Mechanical Properties of ASTM A194 GR 8A Nuts
| Property | ASTM A194 Grade 8A |
|---|---|
| Tensile Strength | 515 MPa min. |
| Yield Strength (0.2% Offset) | 205 MPa min. |
| Elongation | 30% min. |
| Reduction of Area | 50% min. |
| Hardness | 95 HRB max. |
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ASTM A194 GR 8A Nuts Application Industries
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