4N5(99.995%)Ni Pellets
4N5 High Purity Nickel Pellets are manufactured from 99.995% pure nickel through vacuum melting, precision casting, and cutting processes. With ultra-high purity, excellent metallurgical quality, and consistent performance, these pellets are specifically designed for high-end applications including superalloy production, sputtering targets, and advanced electronic components.
Phone:+86 18954208811
Email:info@hwdsteel.com
WhatsApp:+86 18954208811
Add:Keda Xunfei Weilaigang Building, No. 1 Jiangshan South Road, Huangdao District, Qingdao City, Shandong Province
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◉ PRODUCT SPECIFICATION


1. Material Standards & Certification


Purity Standards:


  • Nominal Purity: 99.995% (4N5)

  • Primary Standards: ASTM B160, GB/T 2057

  • Certification: Complete material traceability with batch certification


Quality Assurance:


  • Ultra-high purity nickel content ≥ 99.995%

  • Extremely low gas and impurity content

  • Homogeneous microstructure

  • Consistent batch-to-batch quality


2. Chemical Composition (% by weight)


Element

Maximum Content

Element

Maximum Content

Element

Maximum Content

Ni

99.995% (min)

C

0.0010

O

0.0010

Co

0.0010

Cu

0.0005

Fe

0.0005

Si

0.0005

Mg

0.0003

Mn

0.0003

S

0.0003

P

0.0003

Pb

0.0001

As

0.0001

Sb

0.0001

Bi

0.0001

Sn

0.0001

Zn

0.0001

Cd

0.0001

Total other impurities

0.0050 max






3. Physical Properties


Property

Specification

Test Method

Density

8.90 ± 0.02 g/cm³

ASTM B328

Melting Point

1455 ± 2°C

-

Electrical Resistivity

6.84 ± 0.05 μΩ·cm (20°C)

ASTM B193

Thermal Conductivity

90.7 ± 2 W/(m·K)

ASTM E1225

Thermal Expansion Coefficient

13.3 ± 0.2 × 10⁻⁶/K (20-100°C)

ASTM E228

Vickers Hardness

60-80 HV

ASTM E92


4. Pellet Specifications


Parameter

Standard Specifications

Custom Options

Pellet Diameter

3mm, 5mm, 8mm, 10mm

1-20mm available

Pellet Length

3-15mm (cylindrical)

Custom lengths

Weight per Pellet

0.5g - 10g

Custom weights

Weight Tolerance

±3% per pellet

Tighter tolerances available

Surface Condition

Clean, oxide-free

Electropolished available


5. Size Distribution & Packaging


Standard Size Distribution:


  • 3mm Pellets: 2.8-3.2mm diameter

  • 5mm Pellets: 4.8-5.2mm diameter

  • 8mm Pellets: 7.8-8.2mm diameter

  • 10mm Pellets: 9.8-10.2mm diameter


Packaging Options:


Package Type

Capacity

Protection

Shelf Life

Vacuum Sealed Bags

1kg, 5kg

Nitrogen atmosphere

24 months

Sealed Plastic Jars

500g, 1kg

Desiccant included

18 months

Custom Metal Cans

10kg, 25kg

Double protection

36 months


6. Surface Quality Requirements


Visual Standards:


  • Bright metallic surface

  • Free from visible oxides and contamination

  • No cracks or structural defects

  • Uniform geometry and appearance


Surface Analysis:


  • Surface oxygen: ≤ 50 ppm

  • Surface carbon: ≤ 30 ppm

  • Surface roughness: Ra ≤ 1.6 μm (standard)


7. Applications


Primary Applications:


  • Superalloy Production: Aerospace turbine components

  • Sputtering Targets: Semiconductor thin films

  • Electronic Materials: High-purity conductive components

  • Vacuum Metallurgy: Precision alloy additives

  • Research & Development: Advanced material studies

  • Medical Devices: High-purity implant materials


Industry Applications:


  • Semiconductor manufacturing

  • Aerospace engineering

  • Medical equipment

  • Research institutions

  • Advanced materials development


8. Quality Control & Testing


Comprehensive Testing Protocol:

  • Chemical Purity: Glow Discharge Mass Spectrometry (GD-MS)

  • Gas Content: Inert Gas Fusion Analysis

  • Microstructure: Metallographic Examination

  • Surface Analysis: X-ray Photoelectron Spectroscopy (XPS)

  • Size Verification: Laser Measurement System

  • Batch Homogeneity: Statistical Quality Control


Quality Documentation:


  • Material Certificate with full chemical analysis

  • Traceability to raw material batch

  • RoHS/REACH compliance certificate

  • Custom test reports upon request


9. Storage & Handling


Storage Conditions:

  • Temperature: 15-25°C

  • Humidity: < 40% RH

  • Environment: Clean, dry atmosphere

  • Special Requirements: Nitrogen storage for long-term preservation


Handling Instructions:


  • Use clean, powder-free gloves

  • Avoid direct hand contact

  • Employ clean room conditions for critical applications

  • Implement proper contamination control measures


Technical Advantages:


  • Guaranteed ultra-high purity levels

  • Excellent consistency and reliability

  • Optimized for automated feeding systems

  • Superior performance in critical applications

  • Comprehensive technical support available

All products are supplied with complete quality documentation and can be customized to meet specific application requirements and processing needs.

◉ Surfcae selection

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SURFACE CHARACTERISTIC SUMMARY OF MANUFACTURING METHOD APPLICATION
NO.1 Silvery white Hot rolled to specified thickness Do not need to have a glossy surface use
lackluster
NO.2D Silvery white After cold rolling, heat treatment and pickling are carried out General material, deep material
NO.2B Gloss is stronger than No.2D After No.2D treatment, the final light cold rolling is carried out through the polishing roller The general material
BA As bright as a sixpence No standard, but usually a bright annealed surface with high reflectivity. Building materials, kitchen utensils
NO.3 Rough lapping Grind with 100~200# (unit) strop tape Building materials, kitchen utensils
NO.4 Intermediate grinding Polished surface obtained by grinding with 150~180# strop abrasive tape Building materials, kitchen utensils
NO.240 Fine lapping Grinding with 240# strop abrasive tape kitchenware
NO.320 Very fine grinding Grinding was carried out with 320# strop abrasive tape kitchenware
NO.400 The luster is close to BA Use 400# polishing wheel to grind General timber, building timber, kitchen appliances
HL Hairline grinding Suitable particle material for hair stripe grinding (150~240#) with many grains Building, construction material
NO.7 It's close to mirror grinding Use a 600# rotary polishing wheel to grind For art or decoration
NO.8 Mirror ultrafinish The mirror is ground with a polishing wheel Reflector, for decoration

◉ PRODUCTION AND WAREHOUSING

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