High Purity Chromium Metal
We are an ISO 9001:2015 certified manufacturer and global supplier of high-purity chromium metal. Our production focuses on controlled interstitial impurity levels, batch consistency, and full heat-log traceability to meet the requirements of industrial procurement teams.
- Product Introduction
High Purity Chromium Metal
We are an ISO 9001:2015 certified manufacturer and global supplier of high-purity chromium metal. Our production focuses on controlled interstitial impurity levels, batch consistency, and full heat-log traceability to meet the requirements of industrial procurement teams.
Technical Specifications & International Standards
Our chromium products comply with international material standards, including ASTM B387 and ASTM B633 specifications.
Chemical Purity Grades
|
Grade |
Purity (Cr Min.) |
Core Applications |
|
Ultra-High Purity |
99.9% – 99.99% |
PVD Sputtering Targets, Semiconductor Thin Films |
|
High Purity |
≥ 99.5% |
Aerospace Superalloys, Industrial Gas Turbines |
|
Industrial Premium |
≥ 99.0% |
Corrosion-Resistant Alloys, Specialty Stainless Steels |
Interstitial & Trace Impurity Limits
|
Element |
Typical Content |
Maximum Limit |
Element |
Typical Content |
Maximum Limit |
|
Fe |
0.015% |
≤ 0.05% |
O (Oxygen) |
120 ppm |
≤ 0.02% (200 ppm) |
|
C |
0.004% |
≤ 0.01% |
N (Nitrogen) |
40 ppm |
≤ 0.01% (100 ppm) |
|
Si |
0.008% |
≤ 0.02% |
S (Sulfur) |
20 ppm |
≤ 0.005% (50 ppm) |
|
P |
0.002% |
≤ 0.005% |
H (Hydrogen) |
5 ppm |
≤ 0.001% (10 ppm) |
Physical Properties & Forms
- Melting Point: 1907°C
- Density: 7.14 g/cm³
Available Forms:
- Lumps / Flakes: 10–50 mm (for vacuum induction melting / VIM charging)
- Crushed Ingots / Granules: 1–5 mm (for thermal evaporation systems)
- Powder: 50 to 325 mesh (customizable particle size distribution for powder metallurgy)
Manufacturing & Quality Control
Our refining process operates under documented quality management protocols to ensure reproducibility across production lots.
Process Flow
Raw material screening → Electrolytic Purification → Vacuum Degassing & Refining → Inert Gas Shielded Solidification → Sizing/Milling
Laboratory Validation
ICP-OES & ICP-MS: Verification of metallic trace impurities
Inert Gas Fusion (LECO methods): Quantification of Oxygen, Nitrogen, and Hydrogen levels
Laser Diffraction: Particle size distribution (PSD) analysis for powder products
Documentation Pack
Batch-specific Certificate of Analysis (COA)
Globally compliant MSDS / SDS
REACH & RoHS compliance declarations
Third-party inspection reports (SGS, Intertek, or TÜV) available upon request
Industrial Applications
Aerospace Superalloys: Used as an alloying element in nickel-based and cobalt-based superalloys for turbine blades and high-temperature structural components.
Vacuum Coating: Raw materials for manufacturing planar and rotatable PVD sputtering targets used in architectural low-E glass, displays, and hard coatings.
Chemical Processing Equipment: Applied in the synthesis of corrosion-resistant alloys for reactors, piping, and valves exposed to acidic environments.
Electronics: High-purity electronic-grade applications for gate electrodes and barrier layer deposition.
Commercial & Logistics Terms
Supply Chain Continuity
We specialize in long-term supply agreements with fixed-volume planning to reduce the impact of spot-market price volatility.
Traceability
We maintain digital records of all raw material heats, vacuum logs, and testing parameters for 10 years to support downstream audits.
Customization
We support custom purity configurations, targeted powder mesh ranges, and customized packaging weights.
Packaging
High-Purity / Powder Grades
Packed under Argon gas shield inside vacuum-sealed moisture-barrier foil bags
Bulk Shipments
Industrial steel drums (50kg / 100kg / 250kg) secured on ISPM-15 heat-treated wooden pallets
FAQ
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