Best ASTM A193 Grade B8C Fasteners Manufacturer,
Supplier & Exporter India
High-Performance ASTM A193 Grade B8C Fasteners
ASTM A193 Grade B8C Fasteners are crafted from stabilized Type 347 austenitic stainless steel, engineered specifically to resist intergranular corrosion in elevated-temperature applications. Manufactured in strict accordance with ASTM International Standards, these high-tensile fasteners feature Columbium (Niobium) and Tantalum additions to prevent carbide precipitation during welding and extreme thermal service.
The ASTM A193 specification covers high-temperature and high-pressure bolting materials for pressure vessels, valves, flanges, and fittings. As a trusted B8C Class 1 Fasteners Manufacturer in India, we offer both Class 1 (Carbide Solution Treated) and Class 2 (Strain Hardened) ASTM A193 Grade B8C Fasteners. We also produce complementary stainless grades including ASTM A193 Grade B8 Fasteners.
Ananka Group is a leading ASTM A193 Grade B8C Fasteners supplier in Mumbai. With precision tooling and complete EN 10204 3.1 material traceability, our Grade B8C bolts, nuts, and studs fulfill demanding EPC contractor specifications across global projects.
About ASTM A193 Grade B8C Fasteners
ASTM A193 Grade B8C Fasteners are meticulously engineered to provide exceptional performance in highly corrosive and elevated-temperature environments up to 1500°F (815°C). Widely utilized in petrochemical refineries, high-pressure steam lines, and severe-service chemical processing vessels, these fasteners deliver unparalleled structural durability. Our cutting-edge manufacturing processes have solidified our position as a top-quality B8C Class 1 and Class 2 Fasteners Manufacturer in Mumbai and across India, ensuring every product meets stringent international specifications.
ASTM A193 Grade B8C Fasteners Exporter
ASTM A193 Grade B8C Fasteners Manufacturers
ASTM A193 Grade B8C Fasteners Specification
- Specifications: ASTM A193 / ASME SA193
- Standard: DIN, ASTM, BS, ISO and all International Standards
- Length: 3 mm to 200 mm | Custom Lengths Available
- Size Range: M3 to M160 | 3/16" to 2-1/2" | Custom Sizes
- Classes Available: Class 1 (Carbide Solution Treated) & Class 2 (Strain Hardened)
- Fastener Types: Hex Head Bolts, Heavy Hex Bolts, Stud Bolts, Socket Head Cap Screws, Pan Head Screws, U-Bolts, Eye Bolts, Square Nuts, Hex Nuts, Lock Nuts, Flat Washers, Spring Washers, Threaded Rods, Machine Screws, Anchor Bolts.
Chemical Composition Of ASTM A193 Grade B8C 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) | 17.00 – 19.00 |
| Nickel (Ni) | 9.00 – 13.00 |
| Columbium + Tantalum (Cb+Ta) | 10x Carbon min – 1.10 max |
Mechanical Composition Of ASTM A193 Grade B8C Fasteners
| Grade / Class | Diameter | Tensile Strength (min) | Yield Strength (min) | Elongation (%) | Reduction (%) | Hardness |
|---|---|---|---|---|---|---|
| Grade B8C, Class 1 | All Diameters | 515 MPa | 205 MPa | 30 | 50 | 223 HBW or 96 HRB |
| Grade B8C, Class 2 | M20 and under | 860 MPa | 690 MPa | 12 | 35 | 321 HBW or 35 HRC |
| Grade B8C, Class 2 | M20 to M24 | 690 MPa | 550 MPa | 20 | 45 | 321 HBW or 35 HRC |
| Grade B8C, Class 2 | M24 to M30 | 655 MPa | 450 MPa | 25 | 45 | 321 HBW or 35 HRC |
| Grade B8C, Class 2 | M30 to M36 | 620 MPa | 345 MPa | 30 | 45 | 321 HBW or 35 HRC |
ASTM A193 Grade B8C Fasteners Applications
- 🔥High-Temperature Service
- ⚡Power Generation Industry
- 🗜️Pressure Vessels & Valves
- 🛢️Oil and Gas Extraction
- 🧪Chemical & Petrochemical Processing
- ❄️LNG and Cryogenic Environments
ASTM A193 Grade B8C Fasteners Packaging & Delivery
LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque and others.
ASTM A193 Grade B8C 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