ASTM A194 GR 8MA Nuts, ASTM A194 GR 8MA Heavy Hex Nuts, GR 8MA Nuts & GR 8MA Nut Manufacturer and Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 8MA Nuts in Mumbai, India, supplying stainless steel nuts for pressure equipment, process piping, valves, flanges and industrial fastening assemblies. These nuts are intended for bolted connections where resistance to corrosion, dependable mechanical performance and secure joint tightening are required. We offer different sizes, thread forms and finishes for standard as well as customized requirements.
ASTM A194 GR 8MA Nuts are manufactured from austenitic stainless steel and are suitable for fastening assemblies exposed to moisture, industrial atmospheres and corrosive service conditions. Their stainless steel construction helps resist rust and general corrosion while providing dependable clamping performance when paired with compatible bolts or studs. They are suitable for both pressure-containing joints and general mechanical connections.
ASTM A194 GR 8MA Nuts, ASTM A194 GR 8MA Heavy Hex Nuts, GR 8MA Nuts & GR 8MA Nut Bolting Manufacturer and Supplier in Mumbai, India
These nuts are used in chemical-processing plants, petrochemical facilities, refineries, pressure vessels, industrial piping, water-treatment equipment, valves, flanges and engineering machinery. Their corrosion-resistant characteristics make them suitable for applications where the fastening assembly needs to remain reliable during extended service.
ASTM A194 GR 8MA Nuts are available in different dimensions, thread configurations and finishes to suit a range of installation requirements. They can be supplied for fabrication, maintenance, equipment assembly and industrial projects requiring reliable stainless steel nut-and-bolt connections.
Get the Best Quote for ASTM A194 GR 8MA Nuts. We Stock ASTM A194 GR 8MA Nuts in Various Diameters, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.
ASTM A194 GR 8MA Nuts Specifications
| Material | Austenitic Stainless Steel |
|---|---|
| Grade | ASTM A194 Grade 8MA |
| Standard | ASTM A194 / ASME SA194 |
| Equivalent Grade | Type 316 Stainless Steel / UNS S31600 |
| 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, Pitting, Crevice Corrosion, Chlorides and Moisture |
| Temperature Service | Suitable for High-Temperature and High-Pressure Bolting Applications |
| Application | Pressure Vessels, Piping Systems, Flanges, Valves, Marine Equipment, Oil & Gas, Petrochemical, Refineries, Power Generation and Chemical Processing |
Chemical Composition for ASTM A194 GR 8MA Nuts
| Element | Composition (%) |
|---|---|
| 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) | 16.00 – 18.00 |
| Nickel (Ni) | 10.00 – 14.00 |
| Molybdenum (Mo) | 2.00 – 3.00 |
| Nitrogen (N) | 0.10 max. |
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Mechanical Properties of ASTM A194 GR 8MA Nuts
| Property | ASTM A194 Grade 8MA |
|---|---|
| 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 8MA Nuts Application Industries
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