Leading ASTM A194 Grade 8C Fasteners Manufacturer,
Supplier & Exporter India
ASTM A194 Grade 8C heavy hex nuts are manufactured from stabilized austenitic stainless steel (AISI 347). The defining characteristic of this grade is its stabilization with Columbium (Niobium) and Tantalum, which effectively prevents intergranular corrosion and "weld decay" even when exposed to critical temperatures between 800°F and 1500°F (427°C to 816°C).
These fasteners are extensively applied in industries such as petroleum refining, petrochemical processing, power generation, and aerospace. Because they offer superior resistance to oxidation and scaling, they are the preferred choice for high-heat environments like flare stack systems and fluid catalytic cracking units.
Ananka Group is a trusted manufacturer of these critical components. Our Grade 8C nuts are engineered for demanding industrial projects, providing reliable performance and structural integrity. With our state-of-the-art facilities in Mumbai, we deliver fasteners that set new industry standards for excellence and durability.
About ASTM A194 Grade 8C Nuts & Fasteners
ASTM A194 Grade 8C fasteners are renowned for their high-temperature oxidation resistance and stabilization against intergranular corrosion. By utilizing Columbium (Niobium) and Tantalum as stabilizing agents, these nuts remain chemically inert even in severe high-heat environments. Ananka Group provides these premium-grade fasteners to global industries, ensuring every piece undergoes rigorous inspection for chemical and mechanical compliance.
ASTM A194 Grade 8C Fasteners Exporter
ASTM A194 Grade 8C Fasteners Manufacturers
ASTM A194 Grade 8C Fasteners Specification
- Specifications: ASTM A194 / ASME SA194
- Standard: DIN, ASTM, BS, ISO and all International Standards
- Material Grade: Austenitic Stainless Steel (Type 347, UNS S34700)
- Size Range: M3 to M160 | 1/4" to 4" | Custom Sizes
- Fastener Types: Heavy Hex Nuts, Hex Nuts, Square Nuts, Lock Nuts, Coupling Nuts, Washers, and accompanying threaded fasteners.
Chemical Composition Of ASTM A194 Grade 8C
| 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) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 13.0 |
| Columbium + Tantalum | 10x Carbon min |
Hardness Requirements Of ASTM A194 Grade 8C
| Grade & Type | Brinell Hardness (HBW) | Rockwell Hardness (C) | Rockwell Hardness (B) |
|---|---|---|---|
| Grade 8C | 126 - 300 | 32 max | 60 min |
Application
- 🔥High-Temperature Industrial Furnaces
- 🧪Chemical & Petrochemical Processing
- ⚡Power Generation Systems
- 🛢️Refinery Flanges & Piping
- 🚀Aerospace & Defense
- ☢️Nuclear Power Components
ASTM A194 Grade 8C Fasteners Packaging and Delivery
LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque and others.
ASTM A194 Grade 8C Fasteners are packaged with caution and safety so they reach our client's as good as he would expect. Packaging Charges Extra.
Mumbai or Kalamboli ports in the Maharashtra state of India.
18% GST