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| Brand Name: | DLX |
| Model Number: | 0.025 Pure Nickel Wire |
| Payment Terms: | L/C,T/T,Western Union |
| Supply Ability: | 500 tons per month |
Precision processes inherit the errors of their materials. In metrology, calibration and precision resistance work, a batch of wire that is slightly off-spec does not fail loudly — it becomes a systematic error that quietly shifts every measurement downstream. That is why this wire is specified by its physical constants: density 8.908 g/cm³, the fingerprint of pure nickel; resistivity 0.096 μΩ·m; and a 0.025 mm diameter held to ±0.003 mm. When the material's constants are locked, your process's accuracy is your own to control.
| Diameter | Tolerance | Typical delivery form |
|---|---|---|
| 0.025 mm (ultra-fine) | ±0.003 mm | Spool, continuous length |
| 0.05–0.5 mm | per drawing | Spool, continuous length |
| 0.5–10 mm | per drawing | Coil, continuous length |
Diameter verified by laser gauge across every spool; tolerance on diameters above 0.05 mm is confirmed per drawing before production.
Density is a bulk property that cannot be faked by surface treatment. Pure nickel's 8.908 g/cm³ is uniform across the N4/N6/Ni200/Ni201 family; any deviation — from alloying additions, internal porosity or segregation — shows up in density before it shows up in service.
| Grade | Ni+Co | Density | Role of density check |
|---|---|---|---|
| N4 (NP1) | ≥99.9% | 8.908 g/cm³ | Highest purity confirmation |
| N6 (NP2) | ≥99.5% | 8.908 g/cm³ | Standard industrial verification |
| Ni200 / Ni201 | ≥99.2% / ≥99.0% | 8.908 g/cm³ | ASTM-grade confirmation |
For precision processes, a locked density means a locked mass per metre — and mass per metre is what metrology applications actually consume.
Based on density 8.908 g/cm³ and resistivity 0.096 μΩ·m, the 0.025 mm wire delivers predictable per-metre values (calculated):
| Quantity (0.025 mm wire) | Value | Basis |
|---|---|---|
| Cross-section | 0.000491 mm² | π·d²/4 |
| Mass per metre | ≈0.00437 kg/m | density 8.908 g/cm³ |
| Length per kilogram | ≈229 m/kg | calculated |
| Resistance per metre | ≈196 Ω/m at 20 °C | resistivity 0.096 μΩ·m |
Locked constants let a process designer calculate batch behaviour from a datasheet — the precondition for "precise and accurate" industrial use.
Stable constants are manufactured, not measured into existence. In-line laser gauging, per-heat composition testing and batch mechanical sampling keep the wire inside its tolerance band from the first metre of a spool to the last.
| Control point | What is locked |
|---|---|
| Chemistry per heat | Composition against grade limits |
| Diameter | Laser gauge, 100% of spools, ±0.003 mm at 0.025 mm |
| Mechanical | Batch tensile, elongation, hardness |
| Documentation | EN 10204 3.1 MTC on request |
| Grade | Ni Content | Best Application | Reference Price (FOB, USD/kg) |
|---|---|---|---|
| N4 (NP1) | ≥99.9% | Vacuum electronics | 420–480 |
| Ni201 | ≥99.0% | High-temp service | 350–390 |
| Ni200 | ≥99.2% | Battery, chemical | 340–380 |
| N6 (NP2) | ≥99.5% | Industrial corrosion | 300–340 |
FOB China port, subject to spool size and quantity. Final quotation per drawing.
Source: DLX product catalogue, pure nickel family (grades N4 / N6 / Ni200 / Ni201).
| Element (wt%) | N4 | N6 | Ni201 | Ni200 |
|---|---|---|---|---|
| Ni+Co | 99.9 | 99.5 | — | — |
| Ni | — | — | ≥99.0 | ≥99.2 |
| C | ≤0.01 | ≤0.10 | ≤0.02 | ≤0.15 |
| Cu | ≤0.015 | ≤0.10 | ≤0.25 | ≤0.25 |
| Si | ≤0.03 | ≤0.10 | ≤0.35 | ≤0.35 |
| Mn | ≤0.002 | ≤0.05 | ≤0.35 | ≤0.35 |
| Fe | ≤0.04 | ≤0.10 | ≤0.40 | ≤0.40 |
| S | ≤0.001 | ≤0.005 | ≤0.01 | ≤0.01 |
| P | ≤0.001 | ≤0.002 | — | — |
| Mg | ≤0.01 | ≤0.10 | — | — |
| Property | Value |
|---|---|
| Density | 8.908 g/cm³ |
| Melting point | 1435–1446 °C |
| Curie temperature | 358 °C |
| Tensile strength (annealed) | ≥462 MPa |
| Elongation (annealed) | ≥35% |
| Hardness (annealed) | 90–120 HB |
| Shear modulus | ≈76 GPa |
| Electrical resistivity | 0.096 μΩ·m (20 °C) |
| Thermal conductivity (Ni200) | 70.2 W/m·K |
| Item | Detail |
|---|---|
| Form | Fine wire on spool, continuous length |
| Diameter | 0.025 mm (ultra-fine); range to 10 mm |
| Temper | Annealed (M) / half-hard / hard |
| Surface | Clean, oxide-controlled; bright or matte |
| Spool weight | per drawing (0.025 mm: ≈229 m/kg) |
| Packaging | Plastic spool + moisture barrier + export carton |
Constants are verified per heat, dimensions per spool. Chemistry is composition-tested against grade limits per heat; every spool is laser-gauged for diameter and ovality with surface inspection after annealing; batches are sampled for tensile, elongation and hardness. An EN 10204 3.1 MTC is issued on request.
Wire is wound on plastic spools under controlled tension, wrapped in moisture barrier film and packed in export cartons; spool IDs and lot numbers trace back to the heat. Stock diameters ship in 3–7 days, custom drawing in 15–25 days. Free 0.5 kg samples are dispatched within 3–5 days.
Process control is how Changzhou DLX Alloy has held its tolerances since 2002: in-line measurement during drawing, per-heat chemistry testing and batch mechanical sampling inside a 12,000 m² nickel-only plant. ISO9001 and SGS certified, with 1,200 tonnes of annual capacity and every spool traceable to its heat — the process discipline that lets your precision process trust our constants.
Density is a bulk property — alloying additions, porosity or segregation all shift it. A locked 8.908 g/cm³ confirms the wire is pure nickel with consistent internal structure.
Calculated from density 8.908 g/cm³ and resistivity 0.096 μΩ·m: ≈0.00437 kg/m and ≈196 Ω/m at 20 °C — predictable per-metre behaviour for process design.
1 kg for 0.025 mm micro-wire — at ≈229 m/kg, one kilogram covers a pilot run. Larger diameters follow the standard 5 kg MOQ.
Yes. Free 0.5 kg samples are available for N6 and Ni200 within 3–5 days; N4 and Ni201 samples are charged and refunded with your first order above 50 kg.
Metrology and calibration components, precision resistance elements, sensors and fine instrumentation — where material constants must be known and stable.
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