Best ASTM A193 Grade B8T Bolt Nut Fasteners Manufacturer,
Supplier & Exporter India
High-Performance ASTM A193 Grade B8T Fasteners
ASTM A193 Grade B8T Fasteners are crafted from titanium-stabilized AISI 321 austenitic stainless steel, specifically engineered to withstand extreme thermal environments without intergranular corrosion. Manufactured in strict accordance with ASTM International Standards (ASTM A193 / ASME SA193), these fasteners are heavily specified across power generation, wind energy, nuclear plants, and petrochemical refineries.
The ASTM A193 specification dictates high-tensile alloy and stainless steel bolting materials for high-pressure pressure vessels, valves, flanges, and piping. As a trusted B8T Class 1 Fasteners Manufacturer in India, we supply both Class 1 (Carbide Solution Treated) and Class 2 (Strain Hardened) ASTM A193 Grade B8T Fasteners. For complementary grade options, we also stock ASTM A193 Grade B8 Fasteners.
Ananka Group is a leading ASTM A193 Grade B8T Fasteners manufacturer based in Mumbai. Utilizing advanced CNC machining and complete material traceability (EN 10204 3.1 MTC), our B8T bolts, heavy hex nuts, and threaded studs deliver reliable structural integrity under demanding operational loads.
About ASTM A193 Grade B8T Fasteners
ASTM A193 Grade B8T Fasteners feature titanium additions that bind carbon as titanium carbides, preventing chromium depletion at grain boundaries during high-temperature service up to 1500°F (815°C). Ananka Group produces precision heavy hex bolts, socket cap screws, stud bolts, and washers tested to rigorous quality parameters.
Heavy Hex Bolts
Precision Screws
Industrial Washers
ASTM A193 Grade B8T Fasteners Specifications
- Specifications: ASTM A193 / ASME SA193 Grade B8T
- Standard: DIN, ASTM, BS, ISO 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, 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 B8T 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 – 12.00 |
| Titanium (Ti) | 5x (Carbon + Nitrogen) min – 0.70 max |
Mechanical Composition Of ASTM A193 Grade B8T Fasteners
| Grade / Class | Diameter | Tensile Strength (min) | Yield Strength (min) | Elongation (%) | Hardness |
|---|---|---|---|---|---|
| Grade B8T, Class 1 | All Diameters | 515 MPa | 205 MPa | 30 | 223 HBW / 96 HRB |
| Grade B8T, Class 2 | M20 and under | 860 MPa | 690 MPa | 12 | 321 HBW / 35 HRC |
| Grade B8T, Class 2 | M20 to M24 | 690 MPa | 550 MPa | 20 | 321 HBW / 35 HRC |
| Grade B8T, Class 2 | M24 to M30 | 655 MPa | 450 MPa | 25 | 321 HBW / 35 HRC |
| Grade B8T, Class 2 | M30 to M36 | 620 MPa | 345 MPa | 30 | 321 HBW / 35 HRC |
ASTM A193 Grade B8T Fasteners Applications
- 🛢️ Oil & Gas Extraction
- ⛽ Petrochemical Refineries
- ⚛️ Nuclear Energy Generation
- 🚀 Aerospace Engineering
- 🛡️ Defense Equipment & Infrastructure
ASTM A193 Grade B8T Fasteners Packaging & Logistics
Payment Modes: LC, TT, Wire Transfer, Cheque.
Packaging: Export-grade wooden boxes and safety bundling.
Port of Dispatch: Mumbai or Kalamboli ports, Maharashtra, India.
Tax Structure: 18% GST applicable.