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The Fasteners Mart, having its headquarters in Mumbai, India, is a reliable manufacturer and supplier of top-quality fasteners to meet diverse industrial requirements. We specialize in ASTM A193 B8T fasteners and offer products with premium austenitic stainless steel alloy, offering superior corrosion resistance and high tensile strength. Our ASTM A193 B8T fasteners are suitable for critical applications in petrochemical, power plant, and chemical processing industries with assurance of durability and reliability under demanding conditions.
ASTM A193 B8T fasteners are manufactured using a stabilized austenitic stainless steel alloy, which has a major content of 18% chromium and 8% nickel and titanium added for stability. The formulation offers high resistance to corrosion and oxidation, particularly in temperature application. The mechanical properties are a minimum tensile strength of 75,000 psi and a yield strength of 30,000 psi. These fasteners have good ductility, high strength, and are well-suited for pressure vessel, reactor, and high-temperature applications.
Material | Specification | Standards | Size | Length |
ASTM A193 B8T Fasteners
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| 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 |
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 fasteners are extensively utilized in industries that demand strong, corrosion-resistant materials, especially in hostile and high-temperature conditions. Typical uses encompass power stations, petrochemical, oil and gas and chemical processing industries, where they are utilized in pressure vessels, reactors, heat exchangers and piping systems. Their intergranular corrosion resistance and superior mechanical properties make them the best choice for critical purposes in equipment that is subjected to extreme heat, pressure and corrosive chemicals.
Quality is the highest priority in our facility. Each material undergoes rigorous testing processes, such as Hardness Testing, Spectro Analysis, and Positive Material Identification (PMI) prior to shipment. For utmost transparency and customer satisfaction, we furnish necessary documentation including commercial invoices, packing lists, Certificates of Origin, and Guarantee Letters. We also provide Third Party Inspection Certificates as evidence of our dedication to quality. This extensive and consistent methodology demonstrates our commitment to providing top-quality fasteners that comply with the most stringent industry requirements.
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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