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Ramu Fasteners, located in Hyderabad, is a reliable manufacturer and supplier known for its high-performance ASTM A194 GR.8 Bolts, designed for tough industrial settings. With a strong commitment to quality, precision machining, and consistent material standards, the company plays a vital role in sectors like power, oil and gas, petrochemicals, and heavy engineering. By blending modern manufacturing techniques with rigorous quality control, Ramu Fasteners guarantees strength, durability, and precise dimensions. Their dedication to timely delivery, competitive pricing, and technical support has made them a trusted partner for customers seeking robust ASTM A194 GR.8 fastening solutions that consistently meet international standards and specific project needs worldwide.
ASTM A194 GR.8 Bolts are crafted from heat-treated alloy steel, featuring carefully controlled amounts of carbon, manganese, chromium, and molybdenum to boost strength and toughness. This grade undergoes quenching and tempering to achieve impressive hardness, outstanding tensile capacity, and resistance to deformation under load. These fasteners showcase excellent yield strength, good impact resistance, and stability even at high temperatures. When manufactured, tested, and installed according to industry standards and quality requirements, their mechanical performance ensures reliable clamping force, fatigue resistance, and a long service life in high-pressure and high-temperature environments.
| 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 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.
ASTM A194 Grade 8 bolts are high-strength fasteners made of alloy steel, designed to withstand high temperatures and harsh environmental conditions. Typically used in the oil and gas industry, energy generation, and heavy industrial applications, they provide reliable performance under high-pressure and high-temperature conditions. These bolts are ideal for important joints in flanges, valves, and strong and durable machines. It’s above all otherwise. Their robust materials ensure they can handle critical service conditions, including exposure to corrosive substances.
ASTM A194 GR.8 Bolts are extensively utilized in situations that demand high strength and reliability in extreme conditions. They’re commonly found in oil and gas equipment, pressure vessels, valves, pumps, flanges, and heat exchangers. These bolts excel in power generation plants, refineries, petrochemical facilities, and heavy machinery assemblies.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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