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ASTM A194 GR 8 Nuts

ASTM A194 GR 8 Nuts, ASTM A194 GR 8 Heavy Hex Nuts, GR 8 Nuts & GR 8 Nut Manufacturer and Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 8 Nuts in Mumbai, India, supplying stainless steel nuts for pressure equipment, piping systems, valves, flanges and industrial fastening assemblies. These nuts are selected for applications requiring corrosion resistance, dependable mechanical performance and secure clamping under demanding service conditions. We supply different sizes, thread configurations and finishes for standard as well as customized requirements.

ASTM A194 GR 8 Nuts are manufactured from corrosion-resistant stainless steel and are intended for use in pressure and mechanical bolting applications. Their stainless steel construction provides resistance to rust, moisture and general corrosive exposure, while the specified mechanical properties support reliable fastening performance. These nuts can be paired with compatible stainless steel bolts and studs to form durable bolted connections.

ASTM A194 GR 8 Nuts, ASTM A194 GR 8 Heavy Hex Nuts, GR 8 Nuts & GR 8 Nut Bolting Manufacturer and Supplier in Mumbai, India

Grade 8 nuts are commonly used in chemical-processing plants, food-processing equipment, petrochemical facilities, water-treatment systems, pressure vessels, industrial piping, valves, flanges and general engineering applications. They are particularly useful in environments where corrosion resistance and long-term fastening reliability are important.

ASTM A194 GR 8 Nuts can be supplied in various dimensions, thread forms and surface finishes to suit different assembly requirements. They are suitable for maintenance work, fabrication projects, equipment installation and industrial applications requiring reliable stainless steel nut-and-bolt connections.

Get the Best Quote for ASTM A194 GR 8 Nuts. We Stock ASTM A194 GR 8 Nuts in Various Diameters, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.

ASTM A194 GR 8 Nuts Specifications

Material Austenitic Stainless Steel
Grade ASTM A194 Grade 8
Standard ASTM A194 / ASME SA194
Equivalent Grade Type 304 Stainless Steel
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 Atmospheric 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 8 Nuts

Element ASTM A194 Grade 8 (%)
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 8 Nuts

Property ASTM A194 Grade 8
Tensile Strength 515 MPa min.
Yield Strength (0.2% Offset) 205 MPa min.
Elongation 30% min.
Reduction of Area 50% min.
Hardness HRB 95 max.

Ready Stock of ASTM A194 GR 8 Nuts

ASTM A194 GR 8 Heavy Hex Nuts
ASTM A194 GR 8 Hex Nuts
ASTM A194 GR 8 Hex Jam Nuts
ASTM A194 GR 8 Heavy Hex Jam Nuts
ASTM A194 GR 8 Lock Nuts
ASTM A194 GR 8 Coupling Nuts
ASTM A194 GR 8 Flange Nuts
ASTM A194 GR 8 Plain Nuts
ASTM A194 GR 8 Structural Nuts
ASTM A194 GR 8 High-Strength Nuts
Stainless Steel ASTM A194 GR 8 Nuts
ASTM A194 GR 8 Finished Nuts

ASTM A194 GR 8 Nuts Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%