N6 nickel plate procurement 3 insider: 90% buyers do not know

Published by Engineering Team, Shaanxi Qianyi Tuoda Technology Co., Ltd on 2026-07-20

Engaged in nickel related work for many years, Contact with a large number of chemical industry procurement personnel, Many people stepped on the pit in the purchase of N6 nickel plate.Some purchases pay higher costs but do not get the corresponding quality materials, There are also procurement received unqualified plate, Can not be put into production can only be scrapped.The following three common problems in the industry are sorted out, as well as the corresponding incoming inspection methods to help procurement personnel avoid risks.

The first kind is purity boundary ball problem, According to GB/T 5235‑2021, The total nickel and cobalt content of N6 nickel plate should be ≥99.5%.Some of the samples submitted by the suppliers reach the standard, and the actual nickel content of the bulk goods is only 99.2%.There are also small batches of qualified inspection, large batch supply index fluctuations, and large differences in composition between different melting furnace numbers. Verification means: the supplier is required to provide SGS or Pony third-party test report for each batch;After the goods arrive at the factory, take 1‑2 sheets for spectrum sampling;Don't believe in such oral statements as "directly selecting according to furnace number" when signing a purchase contract, and write the ingredient index into the contract.

The second type is thickness false scale, There are three common market operations, Products are produced according to the lower limit of national standard thickness, Nominal 10 mm, actually only 9.2 mmThe actual thickness is further compressed to 8.5 mm;The surface of the plate is covered with film, and the film will be found to be insufficient in thickness.simple calculation, 1 ton nominal 10 mm nickel plate, If the actual thickness is less than 0.5 mm, The weight of the material will be 50 kg less, It will cause considerable economic losses. Verification means: arrival using micrometer to measure the four corners of the plate and five points in the center;Conditions allow with ultrasonic thickness gauge secondary review;The purchase contract clearly stipulates that the negative deviation of thickness shall not exceed 0.3 mm.

The third category is confusion of origin information.Domestic N6 nickel plate mainly comes from Baoji, Jinchuan and other raw material producing areas, but there are also some secondary rolling products in small factories.Some traders will be secondary rolling plate, publicity for the original product, the cost gap can reach more than 30%. Verification means: ask for relevant information on the source of raw materials for slabs;Observe the rolling surface texture of the plate, the original rolling plate texture is uniform;Check the warranty documents, and record the melting furnace number and rolling process information completely in the regular original factory documents.

Comprehensive three practical operation points for procurement personnel to quickly remember, Purity indicators cannot just look at the samples submitted for inspection, Every batch has to be verified.Thickness can not only look at the label, arrival of multi-point measurement;Origin information can not only listen to oral introduction, but also need original factory data traceability.Three basic requirements should be adhered to when purchasing N6 nickel plate, Total nickel and cobalt content ≥99.5%, The contract states that the negative deviation of thickness is ≤0.3 mm, Material comes with original warranty with furnace number.Selection and application of N6 nickel plateN6 nickel rod Incoming Acceptance SpecificationAnalysis of nickel material selection under caustic soda conditionHow to Avoid Fake Traps

Frequently Asked Questions

Q: What is the price of N6 nickel plate? A: Based on the July 2026 market, the mainstream quotation range of 10mm N6 nickel plate is 160‑220 yuan per kilogram.Plate thickness, purchase quantity will affect the final transaction price, the actual order date nickel raw material market shall prevail.

Q: How to choose between N6 nickel plate and N4 nickel plate? A: N6 can be selected for most industrial conditions, and the cost is reduced by 20‑30% compared with N4;Electronic, high-purity chemical strict control of impurities scene, and then choose purity ≥99.9% N4 nickel plate.

Q: How to verify the purity of N6 nickel plate on site? A: Two ways, ask the supplier for SGS, Pony third-party test report;After arrival, portable XRF spectrometer is used to sample and detect key elements such as nickel, iron and copper.

data sources

Industry Years of experience in nickel procurement GB/T 5235‑2021 Wrought Nickel and Nickel Alloy Designation and Chemical Composition GB/T 2054‑2013 Nickel and nickel alloy plates

disclaimer

The content of this article is industry technology popularization, only for procurement reference, can not be directly used as the basis for signing contracts.Large-value nickel material procurement project, Suggest comprehensive evaluation of supplier qualification, project cases, Please consult professional technicians for material selection under major working conditions.