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Punit Fasteners, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of ASTM A193 B6X fasteners, which are celebrated for their impressive strength and durability in tough industrial settings. Crafted from martensitic stainless steel, these fasteners boast excellent hardness, wear resistance, and a decent level of corrosion resistance. Punit Fasteners is committed to adhering to ASTM standards and ensuring precision in their manufacturing process, serving industries such as power generation, oil and gas, petrochemicals, and structural engineering. Their ASTM A193 B6X fasteners are designed to perform reliably under high temperatures and pressures, making them the go-to choice for critical applications that demand toughness and long-lasting performance.
These fasteners are made from AISI 410 martensitic stainless steel, which contains 11.5–13.5% chromium along with a carefully controlled carbon content to boost hardness and strength. They undergo heat treatment to achieve impressive tensile strength, typically around 95 ksi (655 MPa), and yield strength close to 75 ksi (515 MPa). With excellent wear resistance, moderate corrosion resistance, and solid mechanical properties at elevated temperatures, ASTM A193 B6X fasteners are perfect for applications that require toughness, durability, and some level of corrosion protection in harsh industrial conditions.
| Element | B6X |
| Carbon | 0 – 0.15% |
| Manganese | 0 – 1.00% |
| Phosphorus, max | 0 – 0.040% |
| Sulfur, max | 0 – 0.03% |
| Silicon | 0 – 1.00% |
| Chromium | 11.5 – 13.5% |
| Nickel | – |
| Molybdenum | 0.20-0.30% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 620 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 485 |
| Elongation in 4D (El) | 15 |
| Reduction | 50 |
| Hardness – (BHN) | 0 – 262 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B6X 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.
You’ll find ASTM A193 B6X fasteners widely used in sectors where strength and wear resistance are paramount, such as power plants, oil refineries, and petrochemical facilities. They’re commonly found in boilers, pressure vessels, pumps, valves, and piping systems that operate under high pressure and temperature. Additionally, structural applications that need tough and durable fasteners, like heavy machinery and industrial equipment, also benefit from B6X fasteners. Their moderate corrosion resistance makes them a great fit for dry or mildly corrosive environments, where mechanical reliability and hardness are crucial for safety and performance.
We ensure the highest quality for our ASTM A193 B6X Fasteners through thorough testing before dispatch. Our tests include Hardness, Chemical Analysis via Spectro Analysis, PMI Testing, Flattening, Micro and Macro Tests, Pitting Resistance, Flaring, and IGC Tests. We also provide documents such as commercial invoices, packaging lists, Certificates of Origin, and Guarantee Letters. Additionally, third-party inspection certificates are available to confirm the quality and reliability of our ASTM A193 B6X Fasteners for various applications.
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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