| Brand Name: | DLX |
| Model Number: | Nimonic 75 |
| MOQ: | 5kg |
| Payment Terms: | L/C,D/A,D/P,T/T,VTB |
| Supply Ability: | 1200 tons per month |
Engineered for thermal processing environments up to 1000C, our Nimonic 75 bright annealed nickel alloy wire provides outstanding creep resistance, surface stability, and mechanical strength for industrial furnace fixtures and heat treatment baskets.
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Nimonic 75 is an 80/20 nickel-chromium matrix superalloy stiffened with titanium and carbon. In thermal processing, heat treatment, and furnace engineering, fixture materials must endure repeated heating-cooling cycles without catastrophic surface degradation, distortion, or grain embrittlement.
Our bright annealed Nimonic 75 wire solves common furnace fixture failure modes, including excessive oxide spalling, thermal fatigue cracking, and weld embrittlement. By maintaining an ultra-clean, uniform bright annealed surface through hydrogen-shielded continuous annealing, this wire eliminates the risk of surface contamination and simplifies secondary forming, winding, weaving, and fabrication for fixture builders and thermal equipment OEMs.
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| Element | Specification Range |
|---|---|
| Nickel (Ni) | Balance (approx. 75.0 - 80.0%) |
| Chromium (Cr) | 18.0 - 21.0% |
| Titanium (Ti) | 0.20 - 0.60% |
| Carbon (C) | 0.08 - 0.15% |
| Iron (Fe) | <= 5.0% |
| Manganese (Mn) | <= 1.0% |
| Silicon (Si) | <= 1.0% |
| Copper (Cu) | <= 0.5% |
| Sulfur (S) | <= 0.015% |
| Physical / Thermal Parameter | Value / Metric Unit |
|---|---|
| Density | 8.37 g/cm³ (0.302 lb/in³) |
| Melting Point | 1340 - 1390°C (Solidus to Liquidus) |
| Specific Heat Capacity | 460 J/kg·°C (at 20°C) |
| Thermal Conductivity | 12.8 W/m·K (at 20°C) |
| Electrical Resistivity | 1.09 μΩ·m (at 20°C) |
| Coefficient of Thermal Expansion | 16.0 × 10⁻⁶ /K (20 - 1000°C) |
| Property / Specification Item | Standard Value / Tolerance |
|---|---|
| Delivery State | Fully Softened / Bright Annealed (M State) |
| Tensile Strength (Rm) | 700 - 900 MPa |
| Yield Strength (Rp0.2) | >= 300 MPa |
| Elongation (A50mm) | >= 30% |
| Hardness | <= 200 HV (Typical: 160 - 190 HV) |
| Wire Diameter Range | 0.05 mm to 8.0 mm (0.002 in to 0.315 in) |
| Diameter Tolerance | Class A Precision (±0.002 mm to ±0.015 mm) |
| Out-of-Roundness (Ovality) | <= 50% of total diameter tolerance |
| Surface Finish | Ultra-smooth, mirror-bright annealed (Ra <= 0.20 μm) |
Superior High-Temperature Oxidation & Carburization Resistance Forms an adherent, self-healing chromium-oxide protective layer that prevents surface spalling, metal dusting, and internal oxidation under continuous operating temperatures up to 1000C and intermittent peaks up to 1050C.
Protective Atmosphere Bright Annealed Surface Quality Processed under high-purity hydrogen reduction furnaces to deliver a uniform, clean, oxide-free bright finish. This ensures immediate weldability, superior contact conductivity, and zero risk of cross-contamination in cleanroom furnace operations.
Exceptional Resistance to Thermal Fatigue & Creep Deformation Retains robust mechanical load-bearing capacity and dimensional stability under severe thermal cycling, significantly reducing sag, warp, and deformation in furnace hanging racks and baskets.
Uniform Formability and Ductility for Custom Fabrication Optimized grain boundary structure guarantees consistent elongation (>=30%), allowing effortless cold bending, coiling, crimping, and automated wire mesh weaving without micro-cracking or premature spring back.
Superior Metallurgical Purity and Defect-Free Consistency Triple-refined vacuum melting reduces trace tramp elements (S, P, Pb, Bi) to ultra-low levels, eliminating hot shortness and ensuring batch-to-batch repeatability across multi-ton production runs.
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Industrial Furnace Fixtures & Hanging Racks Load-bearing hanging wires, hooks, trays, and structural supports in vacuum furnaces, atmosphere annealing lines, and brazing units.
Heat Treatment Baskets & Mesh Conveyors Woven wire mesh belts, grid baskets, and part separator screens for continuous carburizing, nitriding, and hardening lines.
Gas Turbine & Aerospace Hot-Section Components Lock wires, tie wires, seals, fuel nozzle retaining clips, and exhaust manifold fasteners exposed to high thermal stress.
Industrial Heating Element Supports & Refractory Anchors Spacer pins, refractory anchor ties, and insulation support rods in ceramic kilns, glass annealing lehrs, and petrochemical cracking furnaces.
High-Temperature Springs & Wire Forms Thermal-resistant compression and extension springs, damping clips, and specialized sealing rings operating in aggressive thermal zones.
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Dedicated High-Temperature Alloy Metallurgy DLX specializes in the vacuum induction melting, electro-slag remelting, precision hot rolling, and multi-pass cold drawing of specialized nickel-base and iron-base superalloys.
Massive Capacity & Scalable Supply Chain Backed by a state-of-the-art production complex with a monthly alloy output capacity of 1,200 tons, ensuring rapid turnaround, stable raw material buffers, and secure supply for global OEM programs.
Strict In-House Quality Assurance Every production coil undergoes 100% full-process quality control, including optical emission spectroscopy (OES) composition verification, laser micrometer continuous dimensional monitoring, eddy current flaw detection, and high-temperature tensile/bend testing.
Flexible B2B Engineering Support & Tailored Packaging Custom temper adjustment (from dead soft annealed to spring hard), bespoke spooling (DIN125 to DIN355 spools, bulk coils up to 250 kg, or precision cut straight lengths), and dynamic MOQ structures matched to project-specific development cycles.
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A1: While standard 80/20 nickel-chromium wire is primarily optimized for electrical resistance heating, Nimonic 75 includes controlled titanium and carbon additions that form stable intermetallic carbides and carbonitrides. This metallurgical structure provides significantly higher creep strength, superior resistance to sag and distortion under sustained mechanical loads, and enhanced resistance to cyclic thermal shock at temperatures up to 1000C.
A2: We supply Nimonic 75 wire in bright annealed (hydrogen annealed), pickled matte, and light-drawn conditions. Packaging includes precision DIN plastic spools (DIN100, DIN125, DIN160, DIN200, DIN250, DIN355), fiber drums, continuous basket coils, or straightened cut bars (100 mm to 4000 mm) protected by vapor-corrosion-inhibitor (VCI) wrapping and reinforced export wooden cases.
A3: Yes. Nimonic 75 exhibits excellent weldability using common industrial processes including TIG (GTAW), MIG (GMAW), resistance spot welding, and laser welding. Due to our clean bright annealed surface, no acid pickling or mechanical grinding is required prior to welding.
A4: As a dedicated B2B manufacturer, we establish dynamic MOQ parameters tailored to specific wire diameters and processing states. For standard gauge pilot trial orders, flexible initial batch allocations are available, while commercial volume production is supported by our 1,200 tons/month facility with lead times typically ranging between 10 to 25 business days depending on custom spooling and dimensional specifications.
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