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Punit Fasteners, a prominent manufacturer and supplier located in Delhi, India, specializes in high-quality ASTM A193 B8C Nuts designed for outstanding performance in extreme temperatures and corrosive settings. Crafted from Type 347 stainless steel, this columbium (niobium) stabilized austenitic alloy provides remarkable resistance to intergranular corrosion, especially after welding and prolonged exposure to heat. Adhering to rigorous ASTM A193 standards, our B8C nuts are extensively utilized across the petrochemical, oil & gas, power generation, and marine industries. With meticulous manufacturing processes, quality assurance, and dependable delivery, Punit Fasteners delivers fastening solutions that engineers and industries around the globe can rely on.
ASTM A193 B8C Nuts are constructed from Type 347 stainless steel, which primarily consists of 17–20% chromium and 9–13% nickel, with columbium (niobium) for stabilization. This specific alloy composition significantly boosts resistance to sensitization and intergranular corrosion, particularly in welded and high-temperature applications. These nuts boast a minimum tensile strength of 515 MPa and a yield strength of 205 MPa. Their robust mechanical properties, impressive elongation, and thermal stability make them perfect for demanding bolted assemblies that face chemical exposure, high temperatures, and thermal cycling, ensuring long-lasting structural integrity and safety.
| ASTM A193 B8C Nuts | Manganese, max | Phosphorus, max | Sulfur, max | Silicon | Chromium |
|---|---|---|---|---|---|
| 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 |
|
Material |
Specification |
Standards |
Size |
Length |
|
ASTM A193 B8C 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 B8C Nuts find extensive use in high-stress environments where corrosion resistance and thermal durability are essential. They are perfect for bolted connections in pressure vessels, heat exchangers, reactors, piping systems, and flanged joints commonly found in chemical plants, oil refineries, power stations, and marine applications. Their superior resistance to intergranular corrosion after welding makes them ideal for situations involving repeated thermal cycling and exposure to harsh media. Punit Fasteners offers B8C nuts in a variety of sizes to meet diverse application needs.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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