Neelkamal Alloys LLP is a leading manufacturer, stockist, and exporter of high-grade industrial nuts engineered for high-pressure piping, critical flange connections, high-temperature heat exchangers, and corrosive offshore environments. Our manufacturing facilities produce precision metric and imperial nuts matching strict international engineering standards.
Manufactured to ASME B18.2.2 and DIN 934 specifications. Designed for high-stress bolting assemblies in oil refineries and chemical plants.
Vibration-resistant locking nuts conforming to DIN 985 and ISO 10511. Ideal for dynamic loads, turbine housings, and heavy machinery.
Integrated washer flange design for uniform load distribution, eliminating separate washers in high-vibration structural applications.
Matching the exact alloy composition to your process medium prevents stress corrosion cracking, galling, and high-temperature creep failures.
| Material Family | Popular Grades / UNS | Standard Specifications | Key Application Environment |
|---|---|---|---|
| Stainless Steel | SS 304, 304L, 316, 316L, 310, 321, 347 | ASTM A194 Gr 8, 8M, 8T, 8C; DIN 934 | General chemical, food processing, water treatment |
| Duplex Steel | Duplex 2205 (S31803 / S32205) | ASTM A182 F51 / ASTM A276 | Desalination plants, marine structures, splash zones |
| Super Duplex Steel | Super Duplex 2507 (S32750 / S32760) | ASTM A182 F53 / F55 | Offshore oil & gas, high chloride environments |
| Inconel Alloys | Inconel 600, 625, 718 (N06625 / N07718) | ASTM B446 / ASTM B637 | Extreme temperatures up to 1000°C, gas turbines |
| Hastelloy Alloys | Hastelloy C276, C22 (N10276 / N06022) | ASTM B574 | Severe acid exposure (sulfuric, hydrochloric, phosphoric) |
| Titanium Alloys | Titanium Grade 2 (R50400), Grade 5 ( Ti-6Al-4V ) | ASTM B348 / F467 / F468 | Aerospace, lightweight marine defense, chlor-alkali |
| Alloy 20 | UNS N08020 (Carpenter 20) | ASTM B473 | Sulfuric acid pickling tanks, chemical processing |
At Neelkamal Alloys LLP, every batch of nuts undergoes rigorous dimensional, metallurgical, and thread profile validation. Raw materials are procured exclusively from approved primary steel mills with complete heat number identification.
We utilize precision CNC machining and heavy-duty forging presses to guarantee thread accuracy, concentricity, and uniform load sharing across all engaged threads.
Fasteners exported with seaworthy packaging, detailed marking, and complete shipping documentation.
Key information for international procurement managers, engineers, and supply chain specialists.
We supply industrial nuts in ASTM A194 Grade 8 (SS 304), Grade 8M (SS 316/316L), Grade 8T (SS 321), Grade 8C (SS 347), Grade 2H (High Tensile), Duplex 2205, Super Duplex 2507, Inconel 625/718, Hastelloy C276, Titanium Grade 2/5, and Alloy 20.
Our nuts are manufactured according to ASME B18.2.2, ASME B18.2.4.6M, DIN 934, DIN 985, ISO 4032, ISO 4035, and BS 1768/1769 standards in both metric (M3 to M100) and imperial (1/4 inch to 4 inches) threads.
Yes, all export orders are supplied with 100% heat-traceable EN 10204 3.1 Mill Test Certificates detailing chemical composition, mechanical properties, hardness testing, and PMI inspection results.
Yes, we offer custom CNC turning, hot forging, and specialized thread pitch cutting (ACME, Fine Pitch, UNJ threads) tailored to client engineering drawings and project requirements.
Send us your specifications, required alloy grade, size range, and quantity. Our technical sales team will provide prompt pricing and lead-time estimates.
