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The Fasteners Mart, one of the leading manufacturer and supplier firms in Mumbai, India, specializes in providing premium industrial fasteners like ASTM A193 B8 nuts. Since these nuts are manufactured using stainless steel, they exhibit exceptional corrosion resistance, tensile strength, and durability, which makes them ideal for demanding applications in sectors such as petrochemical, oil & gas, power generation, and construction. At The Fasteners Mart, on-time delivery, strict quality checks, and precision engineering are valued to fulfill the expectations of the customers. Our ASTM A193 B8 nuts meet international standards and are depended upon for application in extreme conditions.
ASTM A193 B8 nuts are made of austenitic stainless steel, primarily containing 18% chromium and 8% nickel with excellent corrosion and tensile resistance and strength. The nuts usually possess a tensile strength of 75,000 psi to 95,000 psi and a yield strength of at least 30,000 psi. With high ductility and an elongation of around 30–40% in 8 inches, they perform well in high-pressure and high-temperature applications. Their resistance to oxidation and chemical corrosion properties render them ideal for top-level applications in petrochemical, power, and maritime industries.
| ASTM A193 B8 Nuts | Manganese, max | Phosphorus, max | Sulfur, max | Silicon | Chromium |
|---|---|---|---|---|---|
| 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 |
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
|---|---|---|---|---|---|---|
| Grade B8, B8M, Class 1, 1D | All Diameters | 515 | 205 | 30 | 50 | 223 HBW or 96 HRB |
| Grade B8, B8C, B8T, Class 2 | M20 and under | 860 | 690 | 12 | 35 | 321 HBW or 35 HRC |
| Grade B8, B8C, B8T, Class 2 | M20 to M24, inclusive | 690 | 550 | 20 | 45 | 321 HBW or 35 HRC |
| Grade B8, B8C, B8T, Class 2 | M24 to M30, inclusive | 655 | 450 | 25 | 45 | 321 HBW or 35 HRC |
| Grade B8, B8C, B8T, Class 2 | M30 to M36, inclusive | 620 | 345 | 30 | 45 | 321 HBW or 35 HRC |
| Grade B8, B8M2, Class 2B | M48 and under | 655 | 515 | 25 | 40 | 321 HBW or 35 HRC |
| Grade B8, B8M2, Class 2B | M48 to M64, inclusive | 620 | 450 | 30 | 40 | 321 HBW or 35 HRC |
|
Material |
Specification |
Standards |
Size |
Length |
|
ASTM A193 B8 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 B8 nuts are extensively used in applications involving high strength, corrosion resistance, and long life in extreme conditions. They are used in common applications in petrochemical, oil & gas, power generation, and chemical processing applications and are optimally used to fasten equipment in high-pressure and high-temperature conditions. Some common applications include in pressure vessels, piping, heat exchangers, boilers, and turbines. Their stainless steel content ensures long service and resistance to corrosion and oxidation, even in aggressive or sea environments. ASTM A193 B8 nuts provide reliable, safe fastening of key equipment and structures under harsh industrial use.
ASTM A193 B8 nuts are carefully packed in strong materials like wooden boxes, cartons, or shrink wrap to avoid damage during transit and storage. Each package is clearly marked with product information for easy identification. The nuts are subjected to strict tests, including dimension verification, hardness test, and corrosion resistance test, as per ASTM standards, before they are shipped out. In addition, non-destructive testing methods are employed to ensure structural integrity, so that every nut meets the very highest quality and performance standards for exacting industrial applications.
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