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Ramu Fasteners, based in Hyderabad, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fasteners. They’re particularly known for their precision, durability, and dependability. Among their standout products are the ASTM A193 B8T Stud Bolts, which are prized for their exceptional corrosion resistance, strength, and performance in high-temperature and moderate-pressure settings. Crafted with cutting-edge production methods and strict quality control, these stud bolts guarantee secure and lasting fastening in critical assemblies. Ramu Fasteners’ dedication to quality, timely delivery, and customer satisfaction has made them a go-to supplier in Hyderabad and throughout India, catering to the chemical, petrochemical, and marine sectors.
ASTM A193 B8T Stud Bolts are crafted from austenitic stainless steel, usually comparable to Type 304, and are either heat-treated or cold-worked to meet Type B8T specifications. This material composition offers outstanding resistance to corrosion, oxidation, and various chemical attacks. On the mechanical side, these bolts boast high tensile strength, impressive toughness, and dependable fatigue resistance. They maintain their shape even under high temperatures and mechanical stress. The blend of corrosion resistance and strong mechanical properties ensures that ASTM A193 B8T Stud Bolts provide long-lasting durability and reliable performance in challenging industrial and marine environments.
| Element | B7 | B8 | B8M |
| Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
Material | Specification | Standards | Size | Length |
ASTM A193 B8T 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.
ASTM A193 B8T Stud Bolts find extensive use in industries that demand corrosion-resistant and high-strength fasteners for moderate-pressure and high-temperature applications. They are commonly utilized in chemical processing plants, petrochemical refineries, marine engineering, and power generation facilities. These stud bolts are typically employed in critical assemblies where reliability and performance are paramount, ensuring that they meet the rigorous demands of various industrial settings. Their ability to withstand harsh conditions makes them an essential choice for engineers and manufacturers alike.
We guarantee complete customer satisfaction by providing thorough documentation with our ASTM A193 B8T Stud Bolts. Our comprehensive package includes a commercial invoice, packaging list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. Additionally, we offer MTC certificates as per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third Party Inspection Certificates, ensuring the highest product quality and integrity standards.
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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