Majid Fasteners, a leading manufacturer and supplier based in Dubai, UAE, specializes in high-quality ASTM A193 B8T nuts, catering to diverse industrial needs. Renowned for precision engineering and durability, their products are widely trusted in construction, oil & gas, and infrastructure projects. Committed to excellence, Majid Fasteners ensures that each nut meets stringent international standards, offering superior corrosion resistance and mechanical strength. With a robust distribution network and customer-centric approach, they provide timely delivery and tailored solutions, making them a preferred choice for businesses seeking reliable fasteners in the UAE and beyond.
ASTM A193 B8T Nuts Manufacturer in UAE, ASTM A193 Allen Nuts Jebel Ali, ASTM A193 Grade B8T Nuts Supplier Abu Dhabi, A193 B8T Nuts in Al Ain, ASME SA193 Grade B8T Nuts Distributor in Ras Al Khaimah
What is ASTM A193 B8T Nuts?
ASTM A193 B8T nuts are precision-engineered fasteners made from high-quality AISI 304 stainless steel, featuring excellent corrosion resistance and durability. Their chemical composition typically includes 18–20% Chromium and 8–10% Nickel, providing superior strength in high-temperature and high-pressure environments. Mechanically, these nuts offer high tensile strength, hardness, and resistance to deformation, making them ideal for critical applications in oil & gas, construction, and industrial machinery. Designed for reliability and long service life, ASTM A193 B8T nuts ensure secure, safe, and efficient fastening in demanding operating conditions.
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ASTM A193 B8T Nuts Specifications
Material | Specification | Standards | Size | Length |
ASTM A193 B8T Nuts
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
ASTM A193 B8T Nuts Mechanical Properties
| 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% |
ASTM A193 B8T Nuts Chemical Composition
| 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 |
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Types of ASTM A193 B8T Nuts
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ASTM A193 B8T Nuts Uses
ASTM A193 B8T nuts are widely used in industries requiring high-strength, corrosion-resistant fasteners. They are ideal for oil and gas, petrochemical, chemical, and power plants, where exposure to high temperatures and pressure is common. These nuts are extensively applied in pressure vessels, boilers, flanges, and pipelines, ensuring secure and reliable connections. Additionally, they are suitable for construction, infrastructure projects, and heavy machinery, providing durability in harsh environments. Their resistance to corrosion, heat, and mechanical stress makes ASTM A193 B8T nuts essential for critical industrial applications demanding safety, longevity, and performance.






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