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Pengkumta Fasteners, based in the vibrant city of Bangkok, Thailand, stands out as a top-notch manufacturer and supplier of high-quality ASTM A193 B8T fasteners. These fasteners are celebrated for their remarkable durability and precision. With a strong commitment to excellence, Pengkumta guarantees that each fastener adheres to international standards, ensuring reliable performance even in the toughest industrial settings. Their vast inventory is designed to meet the needs of various sectors, offering a wide array of sizes and types that are perfect for critical engineering projects. By blending cutting-edge manufacturing techniques with strict quality control, Pengkumta Fasteners provides products that uphold structural integrity, safety, and longevity, making them a go-to choice for engineers and procurement professionals around the globe.
ASTM A193 B8T fasteners are primarily made from high-grade austenitic stainless steel, usually Type 316Ti, which is stabilized with titanium to boost resistance against intergranular corrosion. These fasteners boast impressive mechanical properties, including high tensile strength, toughness, and the ability to endure elevated temperatures. They also excel in resisting corrosion in harsh environments, making them ideal for chemical and petrochemical applications. With their precise threading and dimensional accuracy, ASTM A193 B8T fasteners deliver consistent performance under stress, ensuring reliability in critical assemblies where safety and durability are essential.
| 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 Fasteners
|
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.
These fasteners are commonly found in high-temperature and corrosive settings, such as chemical plants, petrochemical industries, and power generation facilities. They are perfect for bolting pressure vessels, flanges, and heat exchangers, where maintaining integrity under thermal stress and chemical exposure is vital. Additionally, their resistance to seawater corrosion makes them suitable for marine and offshore applications. With their strength and durability, these fasteners are ideal for critical structural connections and high-pressure systems, providing engineers with the confidence they need in their projects.
We prioritize quality by conducting rigorous tests, including Hardness Tests, Spectro Analysis, and PMI Testing, on all our materials before dispatch. We provide essential documents such as commercial invoices, packing lists, Certificates of Origin, and Guarantee Letters to ensure client satisfaction. Additionally, we offer Third Party Inspection Certificates to affirm our commitment to delivering top-tier products. Our comprehensive approach underscores our dedication to maintaining the highest standards and ensuring the reliability of our fasteners.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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