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Punit Fasteners, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of ASTM A194 GR.8 stud bolts. They provide reliable and durable fastening solutions tailored for a variety of industrial applications. These stud bolts are made from high-quality stainless steel, which guarantees excellent corrosion resistance and mechanical strength. Punit Fasteners strictly follows ASTM standards, ensuring that their products perform efficiently even under moderate temperature and pressure conditions. They cater to industries like chemical processing, oil and gas, power generation, and marine, with a commitment to delivering precision-engineered fasteners that prioritize safety, longevity, and top-notch performance in challenging environments.
The ASTM A194 GR.8 stud bolts are primarily crafted from AISI 304 stainless steel, which contains 18–20% chromium and 8–12% nickel, along with small amounts of manganese, silicon, and carbon. These bolts boast a minimum tensile strength of 75 ksi (515 MPa) and a yield strength of 30 ksi (205 MPa). Renowned for their impressive elongation, toughness, and corrosion resistance, they maintain their structural integrity even in moderate heat and corrosive conditions, making them ideal for a wide range of industrial applications that demand reliable strength and durability.
| 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 |
Material | Specification | Standards | Size | Length |
ASTM A194 GR.8 Stud Bolts
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
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.
You’ll find ASTM A194 GR.8 stud bolts widely used in settings that require high-strength, corrosion-resistant fasteners. They are commonly found in the chemical and petrochemical industries for flanged joints, pressure vessels, and valve assemblies. Power generation plants utilize these bolts in boilers, heat exchangers, and piping systems. The marine industry benefits from their ability to resist seawater corrosion, while sectors like food processing and water treatment also count on their durability. With their outstanding mechanical properties and resistance to corrosion, these fasteners ensure safe and long-lasting performance across various industrial and structural applications.
We provide comprehensive test reports for all our stud bolts products, covering alloys, chemicals, raw materials, and more. We offer a range of certificates to ensure product quality and compliance, including mill test reports, 100% radiography, and ISO certifications. These documents are available to our clients to guarantee the reliability and standards of our products, reflecting our commitment to excellence and transparency in every aspect of our manufacturing and quality assurance processes.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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