Advanced Refractory & Powder Metallurgy Solutions

Wholesale Chromium Metal Powder Supplier & Factories

Engineered high-purity (99.0%–99.99%) electrolytic and aluminothermic chromium powders for plasma spray coatings, superalloys, target fabrication, and next-generation additive manufacturing.

Technical Specification & Synthesis

Chromium Metal Powder: Structural Characteristics & Manufacturing Routes

A technical examination of metallurgical extraction, interstitial gas deoxidation, morphology tailoring, and sieve fractioning that govern powder performance in extreme environments.

Aluminothermic Reduction Cr Powder

Derived from high-purity chromic oxide (Cr₂O₃) reacted with refined aluminum powder under controlled exothermic conditions. Provides standard industrial purities (99.0%–99.4%) with irregular, angular particle morphology ideal for mechanical interlocking in friction linings, hot isostatic pressing (HIP), and diamond abrasive bonding matrices.

Grade: ATR-990

Electrolytic Flake Degassed Powder

Produced via aqueous electrodeposition from hexavalent or trivalent chromium electrolyte baths to form high-purity electrolytic flakes, followed by high-vacuum hydrogen degassing at elevated temperatures. Exhibits purities of 99.8% to 99.95% (3N8 to 4N) with ultra-low interstitial elements (O < 300 ppm, N < 50 ppm, C < 100 ppm), essential for sputtering targets.

Grade: ELEC-HP

Inert Gas Atomized Spherical Cr Powder

Engineered via electrode induction melting inert gas atomization (EIGA) or plasma spheroidization. Delivers perfectly spherical powder particles (spheroidicity > 96%) with superior Hall flow rates (< 18 s/50g) and high apparent density. Tailored specifically for Laser Powder Bed Fusion (L-PBF), Direct Energy Deposition (DED), and high-velocity plasma spraying.

Grade: AM-SPHER
Standard Powder Grade Purity (Cr Base) Typical Interstitial Impurities Particle Morphology Primary Sieve Distribution (PSD) Primary Industrial Use-Case
Cr-99-ATR (Aluminothermic) ≥ 99.20% O: 0.35%, Fe: 0.25%, Al: 0.20%, Si: 0.08% Angular, Blocky, Irregular -60+325 Mesh / 45–250 μm Hardfacing rods, cermet binders, thermite metallurgy
Cr-99.5-HP (Vacuum Degassed) ≥ 99.60% O: 0.12%, N: 0.015%, C: 0.01%, S: 0.005% Acicular, Crushed Platelet -100 Mesh / -200 Mesh / < 75 μm Vacuum interrupters, gas turbine thermal barrier undercoats
Cr-99.8-ELEC (High Purity) ≥ 99.85% O: < 400 ppm, N: < 50 ppm, Fe: < 200 ppm Polygonal, Deagglomerated Custom D50 (15–45 μm / 5–25 μm) PVD sputtering targets, semiconductor thin film barrier
Cr-SPH-AM (Gas Atomized) ≥ 99.50% O: < 600 ppm, N: < 80 ppm, C: < 0.02% Gas-Atomized True Spherical 15–53 μm (SLM), 45–106 μm (DED/Spray) Additive manufacturing, high-temperature corrosion cladding

Critical Metallurgical Control: Interstitial Gas Mitigation

Oxygen and nitrogen embrittlement represent the greatest hazard in refractory powder applications. In our manufacturing facilities, chromium ingots and electrolytic flakes undergo high-temperature vacuum deoxidation and secondary gas purification under high-purity argon (Ar 6N). This ensures our wholesale partners receive powder lots with consistent ductility, repeatable laser absorptivity during additive printing, and defect-free bonding in plasma thermal spray depositions.

4,800 MT
Annual Milling & Atomization Output
99.95%
Highest Attainable Metal Purity
< 300 PPM
Degassed Interstitial Oxygen Floor
100%
ICP-OES & Malvern PSD Batch Traceability
Global Supply Dynamics & Industrial Solutions

Macro Industry Solutions & Commercial Landscape

Navigating global supply chain volatility, raw material mineral reserves, geopolitical compliance, and the structural shift toward high-performance metallurgical applications.

Supply Chain Resiliency & Reserve Strategy

With global chromite ore reserves centered primarily in South Africa, Kazakhstan, Turkey, and Zimbabwe, wholesale procurement requires robust risk-hedged sourcing. YANXA operates continuous long-term upstream reserve partnerships, insulating international tier-1 buyers from geopolitical bottlenecks and energy-intensive smelter curtailments.

Upstream Security

Transition to Decarbonized Energy

The green transition heavily relies on chromium-containing alloys for next-generation nuclear reactors (SMRs), solid oxide fuel cells (SOFC interconnects), and hydrogen gas combustion turbines. YANXA delivers stabilized, low-carbon footprint chromium powder fractions tailored for thermal cycling up to 1,150°C without premature spallation.

Energy Transition

Semi-Conductor Sputtering Market Demands

The consumer electronics and architectural glass coating sectors require large planar and rotary Cr sputtering targets. Sintered targets from our high-purity (≥ 99.8%) electrolytic chromium powder achieve theoretical density exceeding 99.2%, reducing particle flaking, arc discharges, and film micro-voids during high-yield optical and low-E glass deposition.

Target Metallurgy
Regulatory Auditing & Quality Rigor

Global Compliance, Safety Protocols & Localized Logistics

Ensuring end-to-end regulatory adherence, UN certified hazardous cargo handling, REACH certification, and customized packaging configurations for overseas destinations.

REACH & RoHS Compliance

Full compliance with European REACH regulation (EC No 1907/2006) for imported metal powders. Zero inclusion of restricted SVHCs, providing complete chemical certification for EU tier-1 aerospace suppliers.

EU Standards

DG Packaging & UN Certification

Fine-mesh metal powders present combustibility risks. Our powders are hermetically packaged in UN-certified steel drums (25kg to 100kg net), vacuum-sealed with aluminum barrier bags and purged with argon to prevent pyrophoric oxidation.

UN Class 4.1 Safe

Comprehensive COA Verification

Every shipped batch is supplied with an auditable Certificate of Analysis (COA) detailing ICP-OES elemental assay, LECO interstitial gas measurements (O, N, H, C, S), and laser diffraction PSD graphs (Malvern Mastersizer 3000).

ISO 9001:2015

Worldwide Intermodal Logistics

Experienced chemical dispatch via ocean freight (FCL/LCL) under IMDG regulations, direct air freight with IATA compliance, bonded warehouse inventory reservation, and custom clearing assistance across North America, Europe, and APAC.

Global Freight
Industrial Application Scenarios

Engineering Implementation & Real-World Solutions

Chromium metal powder plays a non-substitutable role across severe industrial operating conditions where hot corrosion, erosion, and electrical arcing converge.

Vacuum Electrical Interrupters (Cu-Cr Contacts)

Medium-to-high voltage vacuum circuit breakers require sintered Copper-Chromium (CuCr75/25, CuCr50/50) electrical contacts. Using ultra-clean, degassed electrolytic chromium powder ensures low chopping currents, exceptional dielectric withstand strength, and resistance to severe arc-induced contact erosion in power grid substations.

Switchgear & Transmission

Thermal Spray Coatings (HVOF & Plasma)

Gas turbine blades, boiler tube walls, and industrial rolls suffer severe degradation from molten salts and oxidizers. Blended or clad Cr-CrC-NiCr powders deposited via High-Velocity Oxygen-Fuel (HVOF) or Atmospheric Plasma Spray (APS) create dense, low-porosity protective barriers resisting catastrophic sulfidation attack up to 900°C.

Surface Hardfacing

Aerospace Superalloy Masterbatches

In vacuum induction melting (VIM) of nickel-based and cobalt-based superalloys (such as Inconel 718, Nimonic, and Hastelloy), high-purity chromium powder acts as an elemental alloying agent. The exact particle grading enables rapid dissolution without density segregation, ensuring uniform grain-boundary passivation in aviation turbines.

Aviation Alloys
Innovation Trajectory & Research

Technical Roadmap & Future Material Outlook

Anticipating the technological requirements of industrial manufacturing over the 2026–2035 timeframe through investments in atomization, particle nano-engineering, and alloy design.

High-Entropy Alloys (HEAs) & Cantor Alloys

The transition toward multi-principal element alloys (e.g., FeCoCrNiMn) requires chromium powder with tight chemical stoichiometry and extremely low carbon and sulfur trace inclusions. YANXA is co-developing spherical atomized HEA pre-blends that exhibit cryogenic fracture toughness combined with exceptional high-temperature yield strength.

Phase: Pilot Scale

Sub-Micron & Nano-Engineered Chromium

For diamond tool matrices and high-density powder injection molding (MIM), conventional coarse mesh sizes limit sinterability. Our R&D team has engineered sub-micron (D50 < 2.5 μm) de-agglomerated chromium powders that lower liquid-phase sintering temperatures by up to 140°C, drastically curbing grain coarsening.

Phase: Commercialized

Closed-Loop Recycled Refractory Streams

To reduce scope 3 emissions and meet European circular economy benchmarks, YANXA is advancing hydrogen plasma arc recovery technologies that reclaim chromium from retired PVD targets and grinding swarf, restoring 99.8% metallurgical purity with a 65% reduction in embodied carbon footprint.

Phase: Sustainability R&D
Procurement & Technical Consultation

Frequently Asked Questions for Industrial Buyers

Direct answers from our senior metallurgical engineers addressing common questions regarding particle sizing, safety data, minimal order quantities, and custom grading.

What is the difference between aluminothermic (ATR) and electrolytic (ELEC) chromium powder?
Aluminothermic chromium powder is produced via the chemical reduction of chromic oxide with aluminum powder. This process delivers an irregular, blocky particle morphology with a typical purity of 99.0% to 99.4%, carrying trace levels of aluminum (0.2–0.4%) and iron. It is widely preferred in diamond tooling, welding consumables, and general metallurgical alloying. Electrolytic chromium powder is produced by aqueous electrodeposition, yielding a higher base purity (≥ 99.8%) with substantially lower metallic impurities and negligible aluminum. Following vacuum hydrogen degassing, electrolytic grades provide ultra-low oxygen and nitrogen levels, making them mandatory for sputtering targets and high-performance electronic components.
Can YANXA customize the Particle Size Distribution (PSD) for specialized additive manufacturing or thermal spray lines?
Yes. Beyond standard screening distributions (such as -60 mesh, -100 mesh, -200 mesh, and -325 mesh), our factory operates ultrasonic vibrating screens, precision air classifiers, and gas atomization sizing units capable of cutting precise particle ranges such as 15–45 μm, 15–53 μm, 20–63 μm, and 45–106 μm. Every custom batch is verified through laser diffraction particle size analysis (Malvern Mastersizer) to confirm strict compliance with D10, D50, and D90 parameters.
How does YANXA prevent oxidation and degradation during international sea freight?
Finely divided chromium metal powders have a high surface-area-to-volume ratio and can oxidize when exposed to ambient moisture and air. We package all sensitive chromium powder grades inside hermetically sealed multi-layer aluminum-foil moisture barrier bags, purged with dry high-purity argon gas (dew point < -60°C). These are loaded inside robust, UN-rated steel drums with anti-tamper locking rings. This ensures the material remains oxygen-stable and dry throughout extended maritime shipping and warehousing.
What is the minimum order quantity (MOQ) for pilot trials and full commercial production?
For standard off-the-shelf catalog grades (such as Cr-99-ATR -60 mesh or -200 mesh), our minimum trial order quantity is 25 kg (one standard drum). For custom engineered distributions, ultra-fine micronization (D50 < 5 μm), or specialized spherical gas-atomized grades, the MOQ typically begins at 100 kg to allow proper calibration and cleaning of classification equipment. Full container load (FCL) orders of 20 metric tons receive dedicated factory schedule priority and customized commercial packaging.
What quality verification documents accompany each shipment?
Each shipped batch is accompanied by an authentic manufacturer Certificate of Analysis (COA) containing traceable lot numbers, full elemental assays conducted via Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), interstitial gas content (Oxygen, Nitrogen, Hydrogen, Carbon, Sulfur) measured by inert gas fusion (LECO analyzers), and particle size distribution curves. Full safety documentation conforming to GHS Revision 9 and destination-specific Safety Data Sheets (SDS) are provided in English and local languages.