Best ASTM A193 Grade B8 Fasteners Manufacturer,
Supplier & Exporter India
High-Performance ASTM A193 Grade B8 Fasteners
ASTM A193 Grade B8 Fasteners are crafted from Type 304 stainless steel, offering exceptional corrosion resistance and mechanical strength. Manufactured in strict accordance with ASTM International Standards, these high-tensile components are essential for pressure vessels, valves, flanges, and fittings across power generation, chemical processing, and offshore marine applications.
The ASTM A193 specification covers high-temperature and high-pressure bolting materials. As a trusted B8 Class 1 Fasteners Manufacturer in India, we supply Class 1 (Carbide Solution Treated) and Class 2 (Strain Hardened) fasteners. We also manufacture complementary grades such as ASTM A193 Grade B8M Fasteners.
Ananka Group is a certified ASTM A193 Grade B8 Fasteners supplier in Mumbai. With precision CNC tooling and complete material traceability, our Grade B8 bolts, nuts, and studs meet demanding EPC contractor requirements worldwide.
About ASTM A193 Grade B8 Fasteners
ASTM A193 Grade B8 Fasteners are engineered for high-pressure and high-temperature services. Widely specified in power plants, pressure vessels, valves, flanges, and piping systems, these fasteners ensure superior joint integrity and high creep resistance.
ASTM A193 Grade B8 Fasteners Exporter
ASTM A193 Grade B8 Fasteners Manufacturer
ASTM A193 Grade B8 Fasteners Specification
- Specifications: ASTM A193 / ASME SA193
- Standard: DIN, ASTM, BS and all International Standards
- Length: 3 mm to 200 mm | Custom Lengths Available
- Size Range: M3 to M56 | 3/8" to 2" | Custom Sizes
- Classes Available: Class 1 (Carbide Solution Treated) & Class 2 (Strain Hardened)
- Fastener Types: Hex Head Bolts, Stud Bolts, Socket Head Cap Screws, Pan Head Screws, T-Head Bolts, Foundation Bolts, Heavy Hex Nuts, Flat Washers, Spring Washers, Threaded Rods, Machine Screws, Anchor Bolts.
Chemical Composition Of ASTM A193 Grade B8 Fasteners
| Element | Percentage |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 18.0 – 20.0 |
Mechanical Composition Of ASTM A193 Grade B8 Fasteners
| Grade / Class | Diameter | Tensile Strength (min) | Yield Strength (min) | Elongation (%) | Reduction (%) | Hardness |
|---|---|---|---|---|---|---|
| Grade B8, Class 1 | All Diameters | 515 MPa | 205 MPa | 30 | 50 | 223 HBW or 96 HRB |
| Grade B8, Class 2 | M20 and under | 860 MPa | 690 MPa | 12 | 35 | 321 HBW or 35 HRC |
| Grade B8, Class 2 | M20 to M24 | 690 MPa | 550 MPa | 20 | 45 | 321 HBW or 35 HRC |
| Grade B8, Class 2 | M24 to M30 | 655 MPa | 450 MPa | 25 | 45 | 321 HBW or 35 HRC |
| Grade B8, Class 2 | M30 to M36 | 620 MPa | 345 MPa | 30 | 45 | 321 HBW or 35 HRC |
ASTM A193 Grade B8 Fasteners Applications
- ⚡Power Generation Industry
- 🗜️Pressure Vessels & Valves
- ⚙️Industrial Flanges & Fittings
- 🛢️Oil and Gas Processing
- 🧪Chemical & Petrochemical
- 🌡️High-Temperature Environments
ASTM A193 Grade B8 Fasteners Packaging & Delivery
LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque and others.
ASTM A193 Grade B8 Fasteners are packaged with caution and safety so they reach our clients in perfect condition. Packaging Charges Extra.
Mumbai or Kalamboli ports in Maharashtra, India.
18% GST