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China, Chinese Super Strong Rare Earth Neodymium Hanging Ring Salvage & Retrieval Fishing Magnets¹ Industrial Products Supplier Manufacturer Details, price list catalog:

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Product Description Product Description Super strong rare earth neodymium fishing magnets with hanging rings for salvage and retrieval are used to salvage ferromagnetic metals under the water with a rope tied on the hanging ring. They are also used as pot magnets for carpentry, metal kitchen utensils, exhibition stand construction, shopfitting, signage technology, etc. The cup shaped metal shells are designed to optimize the magnetic flux to make the pull force bigger. The standard magnet material is NdFeB N35 and standard surface treatment is nickel plating both for the magnet and metal shell. Magnet ShapePot/Cup ShapeDimensionsShown in the chart belowMagnet MaterialNeodymium N35 or Customized.Tolerance+/-0.1mmPlating/CoatingNickel/Epoxy Resin/Colorful Painting, etc.Magnetism DirectionAxially MagnetizedCountry Of OriginChina Technical Data Size Information - Metal shells made by stamping processThe standard version is the metal shells are made by stamping. ModelD (mm)d (mm)d1 (mm)H (mm)h (mm)M (mm)AttractionNet Weight (gs)NSJ20201019277M411kgs/25lbs27NSJ25251222.5328M520kgs/45lbs44NSJ32321222.5328M532kgs/70lbs59NSJ363615.52738.58M643kgs/90lbs71NSJ424215.52739.18.6M665kgs/140lbs98- Metal shells made by machining processThe metal shells are made by CNC lathing ModelD (mm)d (mm)d1 (mm)H (mm)h (mm)M (mm)AttractionNet Weight (gs)CSJ484819.534.54711M875kgs/160lbs197CSJ555519.534.54812M895kgs/200lbs278CSJ606019.534.55115M8160kgs/350lbs330CSJ707024.54160.517M10210kgs/450lbs608CSJ757524.54161.518M10250kgs/550lbs632CSJ808024.54161.518M10280kgs/600lbs821CSJ909024.54161.518M10380kgs/800lbs899CSJ12012027.55068.518M12480kgs/1,000lbs1,510 Neodymium Magnets Production ProcessNeodymium Magnets Performance DatasheetNeodymium Magnets Magnetization DirectionsNeodymium Magnets Surface TreatmentSurface TreatmentProcessThicknessColorSSTPCT(μm)(Hours)(Hours)NickelNi10 ~ 20Bright Silver> 24 ~ 72> 24 ~ 72Ni+Cu+NiBlack NickelNi+Cu+Ni10 ~ 20Bright Black> 48 ~ 96> 48Cr3+ZincZn5 ~ 8Bright Blue> 16 ~ 48---Cr3+ZnShining Color> 36 ~ 72SnNi+Cu+Ni+Sn10 ~ 25Silver> 36 ~ 72> 48AuNi+Cu+Ni+Au10 ~ 15Gold> 12> 48AgNi+Cu+Ni+Ag10 ~ 15Silver> 12> 48EpoxyEpoxy10 ~ 20Black/ Grey> 96---Ni+Cu+Epoxy15 ~ 30> 120---Zn+Epoxy15 ~ 25> 120---Passivation---1 ~ 3Dark GreyTemporary Protection---Phosphate---1 ~ 3Dark GreyTemporary Protection---Remarks:1. The SST results differ from coating. In general, Salt Spray Test result for the magnets with barrel plating (normally for small size of magnets), is better than the ones with rack plating (normally for big size of magnets).2. Salt Spray Test (SST) condition: 5% NaCl, 35°C, continuously spray a certain time, test whether there is corrosion on plating/coating surface.3. Pressure Cooking Test (PCT) condition: 2 atm, 95% RH (Relative Humidity), 121°C to test the plating/coating adhesion. (Zinc, Passivated/Phosphated, and Epoxy not suitable for PCT).4. Other test methods for plating/coating: Drop Test, Cross Cut Test, Heating and Spilling Test, Constant Temperature, Humidity Test, etc. Physical Properties of Neodymium MagnetsCurie Temperature (°C)310~380Maximum Working Temperature (°C)80~230Electrical Resistivity (μ.cm)110~170Hardness (Hv)560~580Density (g/cm3)7.4~7.8Relative Recoil Permeability (μrec)1.05Saturation Field Strength (kOe/kA/m)(30-40)/(2,400-3,200)Temp. Coefficient of Br (T.C.α (Br)) (%/°C)-0.12 ~ -0.10Temp. Coefficient of Hcj (T.C.β (Hcj)) (%/°C)-0.6 Packing & Shipping PackingShipping-When the gross weight is below 50kgs, we recommend to send it after packed in magnetism shielded cartons by express. -When the gross weight is between 50-100kgs, it can be sent by express or air. -When the gross weight is over 100kgs, we recommend to ship it by sea.Remarks: We have good contract prices with FedEx, DHL, UPS and TNT. Of course you can choose freight collect with your international courier's account no. For air and sea shipping, we have an experienced logistics team to handle the delivery and our own forwarders that we have been cooperating with for many years. If you would like to ask your forwarder to deal with the delivery, it is also okay with us. Company Information Hangzhou Shengyuan Machinery Co., Ltd. is specialized in manufacturing permanent magnets and magnetic assemblies. Our main products include neodymium magnets, SmCo magnets, AlNiCo magnets, ferrite magnets, pot magnets, magnetic hooks, fishing magnets, magnetic lifters, magnetic rods & grates, magnetic pushpins, magnetic tool holders and magnetic chucks, etc. We have a professional R&D team with plenty expertise and a sales team with rich experience in overseas business. Furthermore, all our products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. Our company's core value is "Building A Good Reputation With Quality Products And Excellent Service". With the advanced management concepts and experienced team, we have exported our products to many countries and regions all over the world, especially to North America and Europe. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. Add.: No. 66, Leda Rd., Xiaoshan Economic & Technological Development Zone, Hangzhou City, Zhejiang Province, 311200 China. CONTACT US... Why Choose Us 1. Factory direct price makes our customers more competitive in the market. 2. OEM and customization is welcome.3. Quick response to customers.4. Professional R&D team with extensive expertise in the area of magnets and magnetic assembies . Most of our engineers at least have 10 years experience.5. Advanced production and inspection equipment.6. Strict quality control system. ISO9001:2015 and RoHS7. Experienced logistics team to deal with FOB, CIF and DDU terms. FAQ -What information should I provide in my inquiry?1. Model No. 2. Order quantity. 3. Standard plating/coating or others? 4. Any special requirements for the packaging and transportation? -How soon can I expect to get your reply?Normally you can receive our reply within 1 hour during our work time 08:00 - 18:00(UTC-8). -How will you ship the samples to me?We will use international express such as FedEx, DHL, UPS and TNT. We have a good contract price with them. -What is the normal delivery time?The normal delivery time is about 15 days. -How about the payment methods?We accept T/T, PayPal, Western Union and L/C

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