
GRAPHITE CRUCIBLES
At Globe Carbon Industries, we stand at the forefront of graphite crucible manufacturing in Boisar, India. Renowned for our precision engineering and exceptional quality, we specialize in producing high-performance graphite crucibles that deliver durability, reliability, and superior thermal resistance. Our range — including Graphite Schultheiss Crucibles, Grey Graphite Crucibles, and Graphite Yasui Crucibles — serves industries worldwide, from metallurgy to jewelry making, ensuring consistent performance under extreme temperatures and demanding conditions.
Specifications
Properties | Unit | Specifications |
|---|---|---|
Standards | — | IS 4860 (Class-1), ASTM C-279 |
Thickness | mm | 10 / 25 / 38 / 50 / 65 / 75 / 80 / 100 |
Size | mm | 229 × 114 |
Alkalis & Others | % | 10 – 12 |
Ferric Oxide (Fe₂O₃) | % | 1 – 2 |
Silica (SiO₂) | % | 60 – 65 |
Alumina (Al₂O₃) | % | 22 – 24 |
Bulk Density | g/cm³ | 2.25 |
Water Absorption | % | < 2 |
Flexural Strength | kg/cm² | > 100 |
Cold Crushing Strength | kg/cm² | > 700 |

FEATURES
At Globe Carbon Industries, each graphite crucible is designed with a perfect balance of strength, heat resistance, and precision. Our crucibles are made using top-grade graphite to ensure consistent results in melting, refining, and casting processes across various industries.
Exceptional Heat Resistance
Withstands extreme temperatures without deformation or cracking.
High Corrosion Resistance
Provides long-lasting protection against metal and chemical reactions.
Uniform Heat Distribution
Ensures efficient melting and energy savings.
Precision Engineering
Designed to maintain stability and minimize metal contamination.
Variety of Options
Available in Schultheiss, Yasui, and Grey Graphite variants to meet specific industry needs.
Applications

Metallurgy and Foundries: For melting and casting precious and non-ferrous metals.

Jewelry Manufacturing: Especially the Yasui crucibles, ideal for fine metalwork and precision casting.

Chemical Processing: Suitable for handling corrosive materials and high-temperature reactions.

Industrial Manufacturing: Used in furnaces, refineries, and research laboratories requiring reliable heat resistance.

Glass Manufacturing: Used for melting and refining specialized glass and ceramic materials.

Semiconductor & Electronics Industry: For handling high-purity materials in advanced material processing.

Recycling Industry: Used in metal recovery and scrap melting operations.

Aerospace & Advanced Materials: Suitable for high-temperature alloy processing and specialty material development.

Request Technical Data Sheet for Graphite Crucibles
Get detailed technical specifications for our high-quality graphite crucibles, including thermal resistance, mechanical strength, chemical stability, and dimensional accuracy. Access essential performance data to ensure the right selection for your high-temperature melting, casting, and industrial applications.

35+ Years of Expertise
For more than three decades, Globe Carbon Industries has been at the forefront of industrial carbon product manufacturing. Over this time, we’ve built a deep reservoir of technical knowledge and hands-on experience in designing, producing, and supplying high-quality carbon materials for a wide spectrum of industrial applications.
Unmatched Quality
At Globe Carbon Industries, quality is at the core of everything we do. Every product we manufacture undergoes stringent quality control at every stage — from raw material selection to final inspection — ensuring consistency, durability, and reliability. Our commitment to excellence is backed by advanced testing methods, precision engineering, and continuous process improvement.


Comprehensive Product Range
Globe Carbon Industries takes pride in being a complete solutions provider for all your industrial carbon requirements. Our extensive product portfolio covers everything from high-quality raw materials to precision-engineered carbon components and specialized equipment. Whether you need carbon bricks, graphite blocks, anti-corrosive linings, or custom-fabricated carbon products, we offer solutions designed to meet the exact specifications of your operation.
Global Reach
With decades of experience serving international markets, Globe Carbon Industries has established a strong global presence built on trust, reliability, and performance. Our products are supplied to clients across North America, Europe, Asia, and beyond — supporting a wide range of industries that rely on high-quality carbon materials and anti-corrosive solutions.


Customer-Centric Approach
At Globe Carbon Industries, our customers are at the heart of everything we do. We believe that long-term success is built on trust, transparency, and consistent support — which is why we go beyond just supplying products. Our team takes the time to understand each client’s unique operational requirements, offering tailored recommendations that ensure optimal performance, efficiency, and value.
Why choose Globe Carbon?
Our Advantages
Exceptional Durability and Longevity
Designed to resist corrosion, oxidation, and thermal shock, Globe Carbon Industries’ graphite crucibles offer an extended service life even under extreme conditions. Their low water absorption rate (<2%) further enhances durability by minimizing thermal stress and cracking.
Superior Strength and Performance
With outstanding cold crushing strength (>700 kg/cm²) and flexural strength (>100 kg/cm²), these crucibles maintain structural integrity and reliability during high-temperature operations, ensuring consistent performance in demanding industrial applications.
Premium Composition and Global Compliance
Crafted from a precise blend of Al₂O₃ (22–24%), SiO₂ (60–65%), and Fe₂O₃ (1–2%), these crucibles meet international quality benchmarks, adhering to IS 4860 (Class 1) and ASTM C-279 standards — a testament to their superior engineering and global acceptance.
