Stellite Hex Bars Manufacturer, Stockist and Exporter
Stellite Hex Bars are high-performance cobalt-chromium alloy bars known for their exceptional resistance to wear, corrosion, and high-temperature degradation. These hexagonal bars are widely used in industries where components must withstand extreme conditions, including high friction and aggressive chemical environments. Their unique metallurgy ensures exceptional hardness and stability even when exposed to elevated temperatures. Because of their hexagonal shape, they offer superior grip and machining benefits during fabrication. Stellite Hex Bars are commonly used in valve seats, cutting tools, and bearing components due to their outstanding durability. Their mechanical properties remain consistent across various operational conditions. As a result, industries rely on them for long-term reliability in demanding applications.
Manufactured using advanced metallurgical techniques, Stellite Hex Bars deliver an unmatched combination of toughness and wear resistance. The presence of chromium ensures superior corrosion resistance, while cobalt provides thermal stability across a broad temperature range. This makes Stellite alloys ideal for high-temperature service environments such as aerospace, petrochemical, and power generation. Their ability to retain hardness even at temperatures exceeding 600°C makes them a preferred choice in the production of cutting tips and industrial tools. These bars are also resistant to galling, which is critical in sliding metal-to-metal applications. The alloy's microstructure ensures a uniform distribution of carbides. This enhances overall mechanical strength and wear performance.
Stellite Hex Bars are available in various grades, with each grade designed to meet specific industrial requirements. Some grades offer enhanced wear resistance, while others focus on improved toughness or corrosion resistance. Their hardness levels can be significantly higher than traditional stainless steels or nickel-based alloys. Even in environments where lubrication fails, Stellite maintains stable performance due to its self-lubricating carbide phases. The hex bar form enables easy handling during machining and assembly processes. This geometric shape reduces slippage and improves the accuracy of component placement. As industries continue adopting higher-efficiency materials, Stellite Hex Bars remain an essential choice.
Worldwide Stellite Hex Bars Manufacturer, Stockist and Exporter
One of the most valued properties of Stellite Hex Bars is their resistance to erosion and cavitation damage. Many components in oil & gas, marine, and hydraulic systems operate under high fluid velocities that can erode softer metals. With Stellite alloy’s unique carbide matrix, these bars offer superior protection against such wear mechanisms. Their fatigue strength and thermal shock resistance make them ideal for rotating and reciprocating machinery. Additionally, the bars can be produced in precise tolerances to ensure accuracy in critical assemblies. The high chromium content helps form a stable oxide layer that protects against corrosive chemicals. Industries rely on these properties to achieve longer service life and reduced maintenance.
Stellite Hex Bars are also favored in environments where both high wear and corrosion occur simultaneously. Their robust chemical composition ensures long-term performance in acidic, alkaline, and seawater conditions. They exhibit excellent resistance to oxidation even in atmospheres with high carbon or sulfur content. Due to their high hardness, cutting and machining may require specialized tooling, but the final components deliver excellent durability. Applications such as turbine blades, pump sleeves, and valve trims benefit greatly from the alloy’s integrity. The bars maintain dimensional stability even after extended service. This is especially important in precision engineering fields.
The manufacturing of Stellite Hex Bars involves advanced casting, forging, or powder metallurgy processes depending on the desired grade and performance requirements. Each method ensures a consistent carbide distribution that gives the alloy its signature wear resistance. Heat treatment can further optimize mechanical properties when required. Industries often choose Stellite material when conventional alloys fail to withstand operational demands. Stellite’s high melting point and strong metallurgical stability make it suitable for extremely challenging applications. Even under repeated thermal cycling, the bars retain structural integrity. This reliability provides excellent value over long operational cycles.
Overall, Stellite Hex Bars represent one of the most durable and reliable alloy solutions available in the industrial market. Their excellent combination of hardness, corrosion resistance, and heat resistance makes them stand out in demanding engineering applications. The alloy’s capability to perform in environments with high friction and chemical attack ensures long-term stability. Their hexagonal profile enhances usability during machining and fabrication. With increasing demand for high-performance materials, Stellite Hex Bars continue to grow in importance across global industries. From aerospace to petrochemicals, they are widely recognized for delivering consistent performance. Their unmatched properties guarantee dependable operation under the toughest conditions.
Stellite Hex Bars
Specifications
| Property | Value / Notes |
|---|---|
| Alloy / Material | Cobalt-based Stellite family (e.g., Stellite 6, Stellite 21, Stellite 12 — grade depends on application) |
| Common Grades | Stellite 6, Stellite 12, Stellite 21, Stellite 31 (specify exact grade at order) |
| Form | Solid hexagonal bars (full hex cross-section) |
| Standard / Specs | ASME / ASTM equivalents where applicable — confirm grade-specific standards with supplier |
| Typical Hardness | HRC 40 – 60 (grade and heat treatment dependent) |
| Typical Tensile Strength | 600 – 1000 MPa (varies by grade and processing) |
| Yield Strength (0.2% offset) | 300 – 700 MPa (grade-dependent) |
| Elongation (A%) | 3 – 20% (depending on grade and heat treatment) |
| Density | ~8.3 – 8.9 g/cm³ (cobalt-based alloy densities vary by formulation) |
| Melting Range | ~1200 – 1450 °C (depending on alloy composition) |
| Operating Temperature | Good performance up to ~600–800 °C; specific grade limits vary |
| Corrosion Resistance | Excellent resistance to oxidation and many corrosive media; chromium-rich matrix forms protective oxide |
| Wear Resistance | Exceptional — carbide-rich microstructure provides high abrasion and erosion resistance |
| Heat Treatment | Solution treatment and tempering possible for some grades; many grades are supplied as heat-treated or hard-faced |
| Manufacturing Methods | Casting, centrifugal casting, forging, powder metallurgy, and hot isostatic pressing (depends on grade & size) |
| Typical Supply Lengths | Custom cut-to-length; common stock lengths 1,000–3,000 mm (confirm availability) |
| Dimensional Tolerances | Standard mill tolerances apply; tighter tolerances available on request (±0.1 mm to ±0.5 mm typical depending on size) |
| Surface Finish | Machined, turned, centerless ground, or as-cast. Final finish depends on application requirements |
| Typical Applications | Valve seats, turbine parts, cutting tools, pump sleeves, wear rings, bushings, and other high-wear components |
| Special Notes | Specify grade, heat treatment, and intended application at order time. Machining often requires carbide tooling and slow feed rates. |
Chemical Composition (Typical Ranges)
| Element | Composition (%) |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 26% – 32% |
| Tungsten (W) | 4% – 6% |
| Carbon (C) | 0.9% – 1.4% |
| Nickel (Ni) | Up to 3% |
| Iron (Fe) | Up to 3% |
| Molybdenum (Mo) | 0% – 1.5% |
| Silicon (Si) | Up to 2% |
| Manganese (Mn) | Up to 1% |
Mechanical Properties
| Property | Value |
|---|---|
| Hardness | HRC 40 – 47 (as-cast) / HRC 48 – 55 (wrought or heat-treated) |
| Tensile Strength | Approximately 850 – 1000 MPa |
| Yield Strength (0.2% offset) | 450 – 650 MPa (typical) |
| Elongation | 3% – 8% (depending on processing) |
| Modulus of Elasticity | ~220 GPa |
| Density | 8.4 – 8.9 g/cm³ |
| Melting Range | 1200°C – 1450°C |
| Impact Toughness | Low to moderate (typical of carbide-rich alloys) |
| Wear Resistance | Excellent — high carbide content provides superior abrasion resistance |
| Corrosion Resistance | Excellent resistance to oxidation and many chemical environments |
| Operating Temperature | Consistent performance up to 600 – 800°C depending on grade |
Dimension Chart
| Hex Size (Across Flats) | Size (Inches) | Size (mm) | Tolerance | Typical Supply Length |
|---|---|---|---|---|
| 1/4" | 0.250" | 6.35 mm | ±0.10 mm | 1000 – 3000 mm |
| 5/16" | 0.312" | 7.94 mm | <±0.10 mm | 1000 – 3000 mm |
| 3/8" | 0.375" | 9.52 mm | ±0.15 mm | 1000 – 3000 mm |
| 1/2" | 0.500" | 12.70 mm | ±0.20 mm | 1000 – 3000 mm |
| 5/8" | 0.625" | 15.87 mm | ±0.20 mm | 1000 – 3000 mm |
| 3/4" | 0.750" | 19.05 mm | ±0.20 mm | 1000 – 3000 mm |
| 1" | 1.000" | 25.40 mm | ±0.25 mm | 1000 – 3000 mm |
| 1.1/4" | 1.250" | 31.75 mm | ±0.30 mm | 1000 – 3000 mm |
| 1.1/2" | 1.500" | 38.10 mm | ±0.30 mm | 1000 – 3000 mm |
| 2" | 2.000" | 50.80 mm | ±0.40 mm | 1000 – 3000 mm |
Equivalent H21s
| Material / Alloy | Equivalent / Comparable Grade | Standard | Notes |
|---|---|---|---|
| Stellite 6 | H21 (AISI) | AISI H21 Tool Steel | Comparable wear resistance; H21 is tungsten hot-work steel, not cobalt-based. |
| Stellite 12 | M42 (High-Speed Steel) | AISI M42 | Similar hardness; Stellite offers better corrosion and heat resistance. |
| Stellite 21 | Haynes 25 / L605 | UNS R30605 | Both cobalt-based; used for high-temperature wear and corrosion resistance. |
| Stellite 31 | Alloy 6B | UNS R30016 | Very close in composition; similar galling and wear resistance. |
| Cobalt-Based Hardfacing Alloys | H21 / H12 / H13 | AISI Tool Steel Series | Tool steels are considered functional equivalents in hot-work applications. |
| Stellite Family (General) | PM-HSS Grades | AISI PM Series | Used as alternatives when cobalt cost is high; lower corrosion resistance. |
We offer a wide range of Stellite Hex Bars in various diameters, lengths, and finishes. Our bars are supplied with hot-rolled, cold-drawn, and centerless ground finishes, ensuring superior surface quality and dimensional accuracy. Custom cutting, polishing, and packaging services are also available to meet specific project requirements.
With a strong inventory, reliable distribution network, and dedicated customer support, Shakti Forge India continues to strengthen its position as a leading Stellite Hex Bars manufacturer, stockist, and exporter. Our products serve both domestic industrial hubs and global industries, delivering high-performance Hastelloy bars that meet stringent engineering and quality standards.
Frequently Asked Questions (FAQs)
Cities we have supplied our products to
Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)
Cities we have supplied our products to
South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland
Applications of Stellite Hex Bars
- Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
- Chemical Processing Plants – heat exchangers, reactors, and storage vessels
- Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
- Aerospace – jet engines, turbine blades, and structural components
- Power Generation – nuclear plants, boilers, and steam generators
- Automotive – exhaust systems, sensors, and performance parts
- Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
- Construction & Infrastructure – high-strength fasteners, joints, and supports