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Pengkumta Fasteners offers high quality ASTM A193 B8 fasteners, manufactured from austenitic stainless steel to ensure exceptional corrosion resistance and durability. Designed for high pressure and high temperature applications, our B8 fasteners meet stringent industry standards, and provide reliable performance in harsh environments. Ideal for use in the petrochemical, power generation and marine industries, Pengkumta Fasteners’ ASTM A193 B8 products offer unparalleled strength and longevity. Rely on Pengkumta Fasteners for your critical fastening needs.
Pengkumta Fasteners, located in the vibrant city of Bangkok, Thailand, has built a solid reputation as a leading manufacturer and supplier of ASTM A193 B8 Fasteners. They pride themselves on delivering top-notch products tailored for high-performance industries. With a strong background in precision engineering and a commitment to global standards, Pengkumta offers a range of bolts, nuts, studs, and screws crafted from high-quality stainless steel to cater to various industrial needs. Their ASTM A193 B8 Fasteners are celebrated for their durability, resistance to corrosion, and impressive strength, making them perfect for even the toughest environments. They serve a variety of sectors, including oil and gas, petrochemicals, construction, and power generation, ensuring that their fastening solutions enhance both safety and efficiency in operations.
| 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 B8 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.
The ASTM A193 B8 Fasteners are made from austenitic stainless steel, usually Grade 304, which is known for its outstanding corrosion resistance and high tensile strength. The typical composition includes chromium (18–20%), nickel (8–11%), and a low carbon content to help prevent intergranular corrosion. These fasteners boast impressive mechanical properties, featuring a minimum tensile strength of 75 ksi, a yield strength of 30 ksi, and good elongation capacity. Their unique blend of chemical stability, exceptional durability, and resistance to oxidation makes them ideal for applications involving high temperatures and corrosive environments.
You’ll find ASTM A193 B8 Fasteners widely utilized in industries that demand both high strength and corrosion resistance. In the oil, gas, and petrochemical fields, they are essential components in piping systems, reactors, and high-pressure vessels. Power generation facilities rely on them for boilers, turbines, and heat exchangers, thanks to their ability to endure extreme temperatures. In construction and marine applications, they deliver reliable performance even in harsh, corrosive conditions. Moreover, ASTM A193 B8 Fasteners are crucial in chemical plants, refineries, and water treatment facilities, where reliability, safety, and structural integrity are vital for smooth operations.
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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