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Poang Fasteners is a Leading manufacturer and supplier of ASTM A193 B8T Nuts in Da Nang, Vietnam. We pride ourselves on being a trusted and professional leader, offering a wide range of fruits in different designs and standards to meet the needs of our esteemed customers. Our commitment to exceptional products and service has solidified our reputation as a top provider in the industry and ensured that we meet and exceed customer expectations with accuracy and reliability.
ASTM A193 B8T nuts are made from Type 321 stainless steel, which provides excellent resistance to high temperatures and oxidation. They are made of about 16-18% chromium and 10.0 – 14.0% nickel, with the addition of titanium for hardness. These nuts retain strength and corrosion resistance in harsh environments, making them suitable for high-temperature applications such as power plant refineries. They have advantages such as high mechanical stability at temperature, high quality, good intergranular corrosion resistance and reliability under harsh conditions.
| 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 Nuts
| 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 nuts are high-strength fasteners made of stabilized austenitic stainless steel, ideal for use in high-temperature corrosive environments. They are commonly used in electrical, petrochemical, and marine applications, including heating. Resistance to chemical stress is important. Their applications include protecting flanges, piping systems and pressure vessels. The B8T designation ensures superior abrasion and corrosion resistance, making these frames suitable for critical high-pressure assemblies that require reliable performance under demanding conditions.
We provide complete documentation on our ASTM A193 B8T nuts, including 100% radiography test reports, raw material test reports, customer test reports, and heat treatment plans. This includes our packaging, fumigation certificates, marketing invoices, quality assurance systems, and raw materials. In addition, we issue manufacturer test certificates (MTC) under EN 10204/3.1B. Our ASTM A193 B8T nuts are packaged according to industry standards and manufactured to meet customer specifications, ensuring quality and complying with all required documentation.
Poang Fasteners is a leading manufacturer and supplier of high-quality fasteners in Da Nang, Vietnam, with over 8 years of experience serving global industries.
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