Pure Metals & Custom Grades

BMI supplies a comprehensive range of commercially pure metals and custom-engineered alloys designed for critical applications across aerospace, electronics, medical, and chemical industries.

Our expertise extends from vacuum melting to tailor-made chemical compositions, ensuring exact compliance with client requirements in purity, mechanical properties, and microstructure.

SPECIFICATIONS FOR EVERY REQUIREMENT.

PURE METALS RANGE

Metal Symbol Purity (%) Density (g/cm³) Melting Point (°C) Key Applications

Nickel Ni 99.9 – 99.99 8.90 1455 Electroplating, batteries, chemical catalysts

Iron Fe 99.85 – 99.99 7.87 1538 Transformer cores, electromagnetic parts

Copper Cu 99.9 – 99.99 8.96 1085 Conductors, heat exchangers, vacuum components

Cobalt Co 99.8 – 99.95 8.86 1495 Magnetic alloys, aerospace coatings

Molybdenum Mo 99.9 – 99.95 10.22 2623 Furnace parts, sputtering targets

Tungsten W 99.9 – 99.95 19.25 3422 Filaments, radiation shields, high-temp tooling

Tantalum Ta 99.9 – 99.95 16.65 3017 Capacitors, medical implants, corrosion service

Niobium Nb 99.8 – 99.95 8.57 2477 Superconductors, aerospace components

Zirconium Zr 99.8 – 99.95 6.51 1855 Nuclear reactors, chemical processing Titanium Ti 99.5 – 99.9 4.51 1668 Aerospace, biomedical, desalination

Aluminum Al 99.9 – 99.999 2.70 660 Electronics, cryogenic, aerospace foils

Silver Ag 99.9 – 99.99 10.49 962 Electrical, thermal, antimicrobial components

CHEMICAL PURITY TEST

BMI offers ultra-high purity metals (UHP) refined via:

Vacuum Induction Melting (VIM)
Vacuum Arc Remelting (VAR)
Electron Beam Melting (EBM)
Zone Refining for semiconductor-grade purity

Purity Class Designation Typical Use

99.9% (3N) Commercial Purity General industrial, chemical processing

99.99% (4N) High Purity Aerospace, electrical, vacuum applications

99.999% (5N) Ultra-High Purity Semiconductor, R&D, medical instrumentation

CUSTOM GRADE DEVELOPMENT

We provide customized alloying and material engineering solutions, including:

Tailored chemical compositions (e.g., Ni–Cu–Fe, Ni–Cr–Mo, Cu–Cr–Zr)
Specific mechanical property ranges (yield strength, hardness, elongation)
Controlled grain structure and inclusions via advanced refining
Thermomechanical processing (hot rolling, cold drawing, heat treatment)
Custom melting batches from 1 kg to 10,000 kg in VIM / VAR / ESR furnaces