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| Brand Name: | DLX |
| Model Number: | Pure Nickel Bar |
| MOQ: | 10kg |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 500 tons per month |
Harsh environments do not corrode surfaces evenly — they find the weak point: a weld seam, an impurity site, a surface scale that hides an active pit. A solid pure nickel bar removes most of those weak points before service begins. With no weld seam, no internal voids and a passive film that re-forms after damage, N4 and N6 bars carry the corrosion resistance of pure nickel into marine, chemical, alkaline and high-temperature service. Salt-spray tested on production batches and documented per heat, they are the structural starting point when the environment gives no second chances.
Available Sizes & Tolerances| Dimension | Range | Note |
|---|---|---|
| Diameter | per drawing | Custom sizes confirmed before production |
| Length | per drawing | Cut-to-length options |
| Straightness | per drawing | Verified against specification |
| Surface | Bright / machined / pickled / passivated | Per environment |
Dimensional tolerances are confirmed against the drawing and the applicable standard before production.
Technical Deep DiveDifferent harsh environments attack by different mechanisms. Matching the grade to the mechanism is the first step of corrosion engineering:
| Environment | Attack mode | Recommended grade | Protection mechanism |
|---|---|---|---|
| Marine / salt spray | Chloride pitting | N4 / N6 | High purity — few pitting initiation sites |
| Chemical media | General chemical attack | N6 / Ni201 | Stable passive film |
| Alkaline environments | Alkali attack | Ni201 | Low carbon resists weld-zone attack |
| High-temperature oxidation | Scaling and oxidation | N6 / Ni200 | Protective oxide layer |
A solid bar is corrosion geometry at its simplest: uniform cross-section, no joints, no cavities. Surface damage can be machined away and the passive film regenerates — options that welded or hollow structures do not offer.
| Geometry factor | Solid bar | Welded / hollow structures |
|---|---|---|
| Weld seams | None | Corrosion focus at weld zone |
| Internal voids | None | Crevice corrosion risk |
| Surface regeneration | Machinable, re-passivates | Limited by geometry |
| Inspection | Simple dimensional + surface checks | Weld NDE required |
| Step | Detail |
|---|---|
| Salt-spray (ASTM B117) | Production batch sampling |
| Surface preparation | Pickled or passivated option for corrosive service |
| Chemistry | Composition locked per heat |
| Documentation | EN 10204 3.1 MTC on request |
Grade & Price Guide| 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 bar 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 | Solid bar / rod, cut-to-length |
| Dimensions | Diameter and length per drawing |
| Temper | Annealed (M) / hot-rolled / cold-drawn |
| Surface | Bright / machined / pickled / passivated |
| End finish | Square-cut, deburred |
| Packaging | End caps + moisture barrier + wooden crate |
Quality AssuranceCorrosion resistance is verified per batch, dimensions per bar. Production batches are sampled for ASTM B117 salt-spray performance alongside tensile, elongation and hardness checks; chemistry is composition-tested per heat, and bars are checked for diameter, length, straightness and surface. An EN 10204 3.1 MTC is issued on request.
Bars are end-capped, wrapped in moisture barrier film and packed in wooden crates; lot numbers trace back to the heat and melt record. Custom sizes are produced in 15–25 days, and free 0.5 kg samples are dispatched within 3–5 days.
Corrosion data only earns trust when it is reproducible. Changzhou DLX Alloy has accumulated salt-spray and chemical-exposure test records across 20 years of nickel-alloy production, and every batch shipped from our 12,000 m² nickel-only plant is traceable to the heat behind it. ISO9001 and SGS certified, 1,200 tonnes of annual capacity — the data archive that lets a design engineer choose a bar for a harsh environment with evidence, not hope.
FAQMarine and salt exposure: N4 or N6 for pitting resistance. Chemical media: N6/Ni201. Alkaline service: Ni201 (low carbon). High-temperature oxidation: N6/Ni200. Send your environment and we will confirm the match.
10 kg for bars. A free 0.5 kg sample is available for N6 and Ni200; N4 and Ni201 samples are charged and refunded with your first order above 50 kg.
Production batches are sampled for ASTM B117 salt-spray performance, and an EN 10204 3.1 MTC with composition and mechanical results is issued on request.
Yes — bright, machined, pickled or passivated surfaces are available, selected for the service environment.
A solid bar has no weld seam or internal void to concentrate corrosion, and its surface can be machined and re-passivated — geometry that survives where fabricated parts initiate failure.
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