High-Performance Nickel Alloy Fasteners for Extreme Industrial Duties
Neelkamal Alloys LLP is a premier manufacturer, stockist, and global exporter of high-grade Nickel Alloy Fasteners headquartered in Mumbai, India. We produce precision-engineered bolting solutions specifically developed to withstand high operating temperatures, aggressive chemical environments, and extreme mechanical pressures where conventional stainless steel fasteners fail.
Our comprehensive inventory includes Nickel 200 (UNS N02200), Nickel 201 (UNS N02201), Monel 400/K500, Inconel 600/625/718, Hastelloy C276/C22, and Alloy 20 fasteners. Manufactured strictly in compliance with international specifications such as ASTM B160, ASTM B564, ASTM B574, and ASME SB160, our products are widely relied upon across petrochemical processing, offshore oil & gas, marine engineering, power generation, and aerospace sectors.
Quality & Traceability Guaranteed: Every dispatch is backed by EN 10204 3.1 Mill Test Certificates, Positive Material Identification (PMI) report, heat-number material traceability, and 100% dimensional inspection to ASME, DIN, and ISO standards.
Comprehensive Product Specification & Manufacturing Standards
Our manufacturing plant features state-of-the-art hot forging, cold heading, and precision CNC threading capabilities. We maintain strict dimensional tolerances from micro-fasteners to heavy industrial bolting sizes.
| Technical Specification | Manufacturing Details & Standards |
|---|---|
| Material Grades | Nickel 200 (UNS N02200 / 2.4066), Nickel 201 (UNS N02201 / 2.4068), Monel 400, Monel K500, Inconel 600, Inconel 625, Inconel 718, Hastelloy C276, Hastelloy C22, Alloy 20 |
| Material Standards | ASTM B160, ASTM B564, ASTM B574, ASTM B164, ASME SB160, SB564 |
| Dimensional Standards | ASME B18.2.1 (Bolts), ASME B18.2.2 (Nuts), ASME B18.3, ASME B18.2.4, DIN 933, DIN 931, DIN 934, DIN 975, ISO 4014, ISO 4032, BS, JIS |
| Size Range | Metric: M2 to M160 | Imperial: 1/4" to 4" (Custom non-standard sizes available upon drawing) |
| Thread Types | UNC, UNF, UNEF, UN, BSF, BSW, Metric Fine & Coarse, NPT |
| Surface Finishes & Coatings | Self-Color, Bright Zinc Plated (BZP), Hot Dip Galvanized (HDG), PTFE / Teflon Coated, Xylan Coated, Cadmium Plated, Phosphate Coated, Passivated |
| Test Certificates & QA | EN 10204 3.1 Mill Test Certificate, PMI Report, Mechanical & Chemical Testing, Hardness Testing, NDT / UT Testing, TPI Inspection (SGS, TUV, BV) |
Standard & Custom B2B Price Reference List
Pricing for nickel alloy fasteners depends on material grade, nominal diameter, fastener length, surface coating, and order volume. Below is an indicative B2B export price guide for engineering estimation:
| Fastener Type | Grade Specification | Approximate Price (USD / Piece) |
|---|---|---|
| Nickel Alloy Hex Head Bolt | Nickel 200 / ASTM B160 | USD $6.25 - $28.00 |
| Nickel Alloy Heavy Hex Nut | Nickel 200 / ASME B18.2.2 | USD $1.40 - $12.50 |
| Nickel Alloy Threaded Rod / Stud Bolt | Nickel 201 / UNS N02201 | USD $4.50 - $35.00 |
| Nickel Alloy Socket Head Cap Screw | Alloy 600 / ASTM B166 | USD $3.40 - $18.00 |
| Nickel Alloy Flat & Spring Washer | Nickel 200 / DIN 125 | USD $1.40 - $6.50 |
| Nickel Alloy Dowel Pin & Machine Screw | Nickel 201 / ASTM B160 | USD $1.40 - $8.20 |
Mechanical & Physical Properties of Nickel 200 / 201 Fasteners
Nickel 200 (UNS N02200) is commercially pure nickel (99.2%) offering high ductility and outstanding resistance to neutral and alkaline salt solutions. Nickel 201 (UNS N02201) features controlled low carbon (max 0.02%) to prevent intergranular embrittlement at service temperatures above 315°C (600°F).
Mechanical Properties Overview
| Grade | Density (g/cm³) | Melting Point | Yield Strength (0.2% Offset) | Tensile Strength | Elongation (%) |
|---|---|---|---|---|---|
| Nickel 200 (UNS N02200) | 8.89 g/cm³ | 1446 °C (2635 °F) | Psi 21,500 | MPa 148 | Psi 67,000 | MPa 462 | 45 % |
| Nickel 201 (UNS N02201) | 8.89 g/cm³ | 1446 °C (2635 °F) | Psi 15,000 | MPa 103 | Psi 58,000 | MPa 400 | 50 % |
International Equivalent Grades Comparison Table
| Standard Grade | UNS Number | Werkstoff Nr. | AFNOR | EN Standard | JIS Standard | BS Standard |
|---|---|---|---|---|---|---|
| Nickel 200 Fasteners | N02200 | 2.4066 | N-100M | Ni 99.2 | NW 2200 | NA 11 |
| Nickel 201 Fasteners | N02201 | 2.4068 | N-102M | LC-Ni 99.2 | NW 2201 | NA 12 |
Comprehensive Product Range & Fastener Configurations
We supply a full spectrum of high nickel fasteners tailored to specific engineering drawings and international DIN/ASME standards:
- Nickel Alloy Hex Bolts & Heavy Hex Bolts: Fully threaded and partially threaded hex cap screws engineered for structural and piping flange integrity.
- Nickel Alloy Stud Bolts & Threaded Rods: Double-ended studs, continuous thread studs, and tap-end studs for pressure vessels and heat exchangers.
- Nickel Alloy Nuts: Standard hex nuts, heavy hex nuts, thin lock nuts, nylon insert lock nuts, and flange nuts.
- Nickel Alloy Screws: Socket head cap screws, countersunk screws, allen key bolts, machine screws, and self-tapping screws.
- Nickel Alloy Washers: Plain flat washers, spring lock washers, heavy-duty spherical washers, and Belleville disc springs.
Strict Quality Control & B2B Export Documentation
At Neelkamal Alloys LLP, quality management is embedded in every production step. Raw materials are sourced exclusively from reputable primary steel manufacturers. Prior to shipment, our quality assurance team conducts rigorous testing including:
- Positive Material Identification (PMI) via XRF analyzer
- Tensile testing, yield strength, and percentage elongation assessment
- Hardness testing (Rockwell & Brinell)
- Microstructural analysis and intergranular corrosion tests
- Dimensional gauging and thread pitch verification
- Hydrostatic and non-destructive examination (UT / Dye Penetrant) when specified
Every shipment is packaged in sea-worthy export wood boxes, moisture-proof wrapping, and tagged with complete heat-number identification tags to ensure hassle-free customs clearance and site acceptance worldwide.
Frequently Asked Questions (FAQ)
What types of Nickel Alloy Fasteners does Neelkamal Alloys LLP supply?
We manufacture and supply hex bolts, stud bolts, heavy hex nuts, socket cap screws, washers, and threaded rods in Nickel 200, Nickel 201, Monel 400, Inconel 600/625/718, Hastelloy C276, and Alloy 20.
Which international standards do your nickel alloy fasteners comply with?
Our fasteners meet ASTM B160, ASTM B564, ASTM B574, ASME B18.2.1, ASME B18.2.2, DIN 933, DIN 931, DIN 934, and ISO standards, or custom drawings.Are EN 10204 3.1 Mill Test Certificates provided with export orders?
Yes. All export orders are accompanied by 3.1 test certificates including chemical composition, physical test results, and heat number material traceability.What is the difference between Nickel 200 and Nickel 201 fasteners?
Nickel 200 (UNS N02200) is suitable for operating environments up to 315°C (600°F). Nickel 201 (UNS N02201) features low carbon content (max 0.02%), making it resistant to graphitization at temperatures exceeding 315°C up to 650°C.