Industrial Grade Chromium Metal
Our chromium metal is refined via vacuum induction melting (VIM) and electrolytic purification. Production focuses on minimizing interstitial impurities—such as oxygen, nitrogen, carbon, and sulfur—which directly affect alloy ductility, corrosion resistance, and high-temperature stability.
- Product Introduction
Industrial Grade Chromium Metal Supplier
Our chromium metal is refined via vacuum induction melting (VIM) and electrolytic purification. Production focuses on minimizing interstitial impurities-such as oxygen, nitrogen, carbon, and sulfur-which directly affect alloy ductility, corrosion resistance, and high-temperature stability.
We maintain strict control over these elements to ensure predictable behavior in vacuum furnaces and foundry environments. Every batch is fully traceable back to the raw material heat number.
Chemical Composition
|
Element |
High-Purity Grade (Coating/Superalloys) |
Standard Metallurgical Grade |
|
Chromium (Cr) |
≥ 99.9% |
≥ 99.0% |
|
Oxygen (O) |
≤ 200 ppm (0.02%) |
≤ 1000 ppm (0.10%) |
|
Nitrogen (N) |
≤ 50 ppm (0.005%) |
≤ 300 ppm (0.03%) |
|
Carbon (C) |
≤ 100 ppm (0.01%) |
≤ 300 ppm (0.03%) |
|
Sulfur (S) |
≤ 50 ppm (0.005%) |
≤ 100 ppm (0.01%) |
|
Iron (Fe) |
≤ 500 ppm (0.05%) |
≤ 3000 ppm (0.30%) |
|
Silicon (Si) |
≤ 100 ppm (0.01%) |
≤ 500 ppm (0.05%) |
Product Forms & Dimensions
We supply chromium metal in various physical forms to fit different furnace and vacuum systems:
Ingots
Standard (1 kg to 5 kg) and custom weights for induction melting.
01
Lumps
Graded size distributions (e.g., 10–50 mm, 10–100 mm) for alloying additions.
02
Granules
Sized pellets (1–3 mm, 3–6 mm) for vacuum evaporation and PVD.
03
Powder
Controlled mesh sizes (e.g., -100 mesh, -200 mesh, -325 mesh) for thermal spraying and powder metallurgy.
04
Custom Blocks
Cut to size for specific vacuum chambers.
05
Manufacturing & Quality Control
Our production process is designed to reduce gas inclusions and maintain structural uniformity.
Vacuum Induction Melting (VIM)
Lowers dissolved gases and volatile trace elements.
Electrolytic Refining
Ensures high base purity before final sizing.
Gas Analysis
Every batch is verified using LECO Oxygen/Nitrogen Analyzers for ppm-level accuracy.
Elemental Analysis
Verified via ICP-OES / ICP-MS to guarantee trace element limits for critical alloys.
Quality Assurance & Global Compliance
We provide the documentation required for international procurement and quality audits:
ISO 9001:2015 certified manufacturing and quality management.
Certificate of Analysis (COA): Provided with every shipment, listing lot-specific chemical analysis.
Traceability: Full heat number tracking from raw material to finished product.
Compliance: Materials comply with EU REACH regulations and RoHS directives.
Export Documentation: Complete paperwork provided for international customs clearance.
Industrial Applications
Superalloys & Aerospace: Used in nickel-, cobalt-, and iron-based superalloys for gas turbines and high-temperature environments.
Stainless Steel & Special Alloys: Adds hardness and establishes the chromium-oxide passivation layer for corrosion and oxidation resistance.
Vacuum Coating & PVD: Used as raw material for manufacturing high-purity chromium sputtering targets.
Chemical Equipment: Used in components requiring resistance to aggressive chemical media.
Supply Capacity & Packaging
Production Capacity
Annual output exceeds 5,000 Metric Tons (MT).
Packaging
Vacuum-sealed inner packaging inside steel drums or reinforced wooden crates designed for long-distance maritime and air transit.
Technical Support
Direct access to our engineers for material selection and size optimization.
FAQ
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