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ASTM A194 GR 8M Nuts

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

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 8M Nuts in Mumbai, India, supplying stainless steel nuts for pressure vessels, piping systems, valves, flanges and industrial fastening applications. These nuts are selected for bolted joints where corrosion resistance, dependable strength and secure tightening are essential. We supply a range of sizes, thread configurations and finishes to meet standard and customized requirements.

ASTM A194 GR 8M Nuts are manufactured from austenitic stainless steel and are intended for fastening assemblies operating in corrosive and demanding environments. Their material provides resistance to moisture, oxidation and various forms of industrial corrosion while maintaining reliable fastening performance. These nuts are suitable for use with compatible stainless steel bolts and studs in pressure-containing and mechanical connections.

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

These nuts are commonly used in chemical plants, petrochemical facilities, refineries, process piping, pressure vessels, water-treatment equipment, marine installations, valves and flanged connections. Their corrosion-resistant construction makes them suitable for applications where maintaining joint integrity over prolonged service is important.

ASTM A194 GR 8M Nuts can be supplied in different dimensions, thread forms and surface finishes according to the requirements of the application. They are suitable for fabrication, maintenance, equipment assembly and industrial projects requiring durable stainless steel fastening components.

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

ASTM A194 GR 8M Nuts Specifications

Material Austenitic Stainless Steel
Grade ASTM A194 Grade 8M
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 8M Nuts

Element ASTM A194 Grade 8M (%)
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 8M Nuts

Property ASTM A194 Grade 8M
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.

Ready Stock of ASTM A194 GR 8M Nuts

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

ASTM A194 GR 8M Nuts Application Industries

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