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The Fasteners Mart is a reputable manufacturer and supplier in Mumbai, India, with expertise in high-quality fastening solutions. We provide an extensive variety of products, such as ASTM A194 GR.8 Nuts, which are renowned for their superior strength, corrosion resistance, and reliability in high-pressure and high-temperature conditions. Focused on quality and accuracy, The Fasteners Mart serves various industries with long-lasting and performance-oriented fasteners that conform to international standards.
ASTM A194 GR.8 Nuts are constructed of austenitic stainless steel, mostly Grade 304. Their chemical makeup consists of Chromium (18-20%), Nickel (8-11%), with traces of Carbon (max 0.08%), Manganese, Phosphorus, Sulfur and Silicon. These nuts provide good corrosion resistance and mechanical strength. They possess a minimum tensile strength of 75 ksi (515 MPa) and yield strength of 30 ksi (205 MPa), with satisfactory elongation and hardness. Developed to perform in high-temperature, high-pressure conditions, they provide reliable and long-lasting fastening performance.
Material | Specification | Standards | Size | Length |
ASTM A194 GR.8 Nuts | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| Element | ASTM A194 GR.8 |
| Carbon | 0.08 max |
| Manganese | 2.00 Max |
| Phosphorus, max | 0.05% |
| Sulfur, max | 0.03% |
| Silicon | 1.00% max |
| Chromium | 18.0-20.0% |
| Nickel | 8.0-11.0% |
| Molybdenum | 0.20-0.35% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 550 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 240 |
| Elongation in 4D (El) | 30 |
| Reduction | 40 |
| Hardness – (BHN) | 223 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
ASTM A194 GR.8 Nuts have extensive applications where high strength along with corrosion resistance is needed. They are readily available in industries such as chemical processing, power generation, oil and gas, and marine and are used for securely fastening parts in high-temperature and high-pressure situations. They best suit applications along with stainless steel bolts in pressure vessels, valves, flanged joints, piping systems, etc. Their use in indoor or outdoor industrial installation is made feasible due to their rust and oxidation resistance along with durability.
Our ASTM A194 GR.8 Nuts go through a stringent testing process prior to dispatch for ultimate quality and reliability. Tests are conducted in Hardness Testing, Chemical Analysis, Positive Material Identification (PMI), Flattening, Micro and Macro Examination, Pitting Resistance Testing, Flaring, and Intergranular Corrosion (IGC) Testing. Shipment is covered with a commercial invoice, packing list, Certificate of Origin and a Guarantee Letter. In addition, we issue third-party inspection certificates to confirm the quality and compliance of our nuts to industry standards so that they meet a variety of applications.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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