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The Nickel-Molybdenum Alloy Round Bar Hastelloy B-3 (designated as UNS N10675) is an advanced corrosion-resistant solution optimized for demanding industrial environments. As an improved version of the Hastelloy B series, it retains the high molybdenum content that resists corrosion in reducing media (e.g., sulfuric acid, hydrochloric acid) while enhancing thermal stability, intergranular corrosion resistance, and machinability. With a density of 9.22g/cm³ and a melting point of 1370-1418℃, this corrosion-resistant alloy round bar delivers exceptional performance in high-temperature, high-corrosion settings—making it the top choice for chemical, petroleum, and marine engineering applications.
Hastelloy B-3(UNS N10675) | ||||||||||||||||
Chemical Component | % | Ni | Cr | Fe | Mo | C | Cu | Mn | Si | Al | Ti | S | P | V | W | Co |
Min | Allowance | 1 | 1 | 27 | ||||||||||||
Max | Allowance | 3 | 3 | 32 | 0.01 | 0.2 | 3 | 0.1 | 0.5 | 0.2 | 0.01 | 0.03 | 0.2 | 3 | 3 | |
Physical Property | Density | 9.22g/Cm3 | ||||||||||||||
Melting Point | 1370-1418 ℃ | |||||||||||||||
The Minimum Mechanical Properties Of The Alloy At Room Temperature | Typical Mechanical Properties | Tensile Strength | Yield Strength | Elongation Rate | Test Temperature | |||||||||||
Solution Treatment | 690 | 283 | 40 | Room Temperature | ||||||||||||
The bar features a carefully balanced chemical makeup: 27-32% molybdenum (Mo) (for reducing media corrosion resistance), balanced nickel (Ni), 1-3% chromium (Cr), and 1-3% iron (Fe). This composition eliminates brittleness and enhances overall durability, surpassing traditional Hastelloy B series alloys.
With a density of 9.22g/cm³, the round bar offers a sturdy, compact structure that maintains shape under stress. Its melting point range (1370-1418℃) ensures stability in high-temperature processes, such as chemical reactor operations or thermal processing.
At room temperature, the bar exhibits impressive mechanical properties: a tensile strength of 690 N/mm², a yield strength of 283 N/mm², and an elongation rate of 40%. These metrics ensure it can withstand heavy loads and structural stress without deformation.
The high molybdenum content makes it highly resistant to reducing media (e.g., dilute sulfuric acid, hydrochloric acid). Additionally, optimized microstructure reduces intergranular corrosion—critical for equipment exposed to harsh chemicals over long periods.
Unlike older Hastelloy B alloys, Hastelloy B-3 features improved machinability. This reduces production time and costs for manufacturing complex components (e.g., valves, pipelines) while maintaining structural integrity.
Certified to UNS N10675 standards, the round bar meets strict international requirements for chemical composition, physical properties, and performance. This ensures compatibility with global industrial projects and simplifies quality verification.
Used in reactors, pipelines, and valves that handle reducing media (e.g., sulfuric acid, phosphoric acid). Its corrosion resistance prevents equipment failure and ensures safe chemical production.
Ideal for downhole equipment, offshore platforms, and oil refining pipelines. It resists corrosion from crude oil, natural gas, and saltwater—critical for offshore and onshore drilling operations.
Applied in mixing tanks, heat exchangers, and drug processing equipment. Its non-reactive properties and corrosion resistance meet strict hygiene standards, preventing contamination of pharmaceutical products.
Suitable for marine pipelines, offshore structures, and shipboard equipment. It withstands saltwater corrosion and extreme temperature fluctuations, ensuring long-term reliability in marine environments.
Used in thermal processing equipment (e.g., furnaces, heat treating tools) thanks to its excellent thermal stability and high melting point. It maintains strength and corrosion resistance even at elevated temperatures.
We offer customized diameters and lengths of the Nickel-Molybdenum Alloy Round Bar to fit specific equipment designs. Whether you need a small-diameter bar for precision components or a long bar for pipelines, we can tailor the dimensions to your project.
Within industry standards, we can adjust the alloy’s composition (e.g., slight molybdenum or chromium modifications) to enhance specific properties—such as higher corrosion resistance for specialized chemical applications.
We provide detailed reports, including chemical composition analyses, mechanical performance test results, and UNS N10675 compliance certificates. These documents support your quality control processes and project certifications.
The Nickel-Molybdenum Alloy Round Bar Hastelloy B-3 (designated as UNS N10675) is an advanced corrosion-resistant solution optimized for demanding industrial environments. As an improved version of the Hastelloy B series, it retains the high molybdenum content that resists corrosion in reducing media (e.g., sulfuric acid, hydrochloric acid) while enhancing thermal stability, intergranular corrosion resistance, and machinability. With a density of 9.22g/cm³ and a melting point of 1370-1418℃, this corrosion-resistant alloy round bar delivers exceptional performance in high-temperature, high-corrosion settings—making it the top choice for chemical, petroleum, and marine engineering applications.
Hastelloy B-3(UNS N10675) | ||||||||||||||||
Chemical Component | % | Ni | Cr | Fe | Mo | C | Cu | Mn | Si | Al | Ti | S | P | V | W | Co |
Min | Allowance | 1 | 1 | 27 | ||||||||||||
Max | Allowance | 3 | 3 | 32 | 0.01 | 0.2 | 3 | 0.1 | 0.5 | 0.2 | 0.01 | 0.03 | 0.2 | 3 | 3 | |
Physical Property | Density | 9.22g/Cm3 | ||||||||||||||
Melting Point | 1370-1418 ℃ | |||||||||||||||
The Minimum Mechanical Properties Of The Alloy At Room Temperature | Typical Mechanical Properties | Tensile Strength | Yield Strength | Elongation Rate | Test Temperature | |||||||||||
Solution Treatment | 690 | 283 | 40 | Room Temperature | ||||||||||||
The bar features a carefully balanced chemical makeup: 27-32% molybdenum (Mo) (for reducing media corrosion resistance), balanced nickel (Ni), 1-3% chromium (Cr), and 1-3% iron (Fe). This composition eliminates brittleness and enhances overall durability, surpassing traditional Hastelloy B series alloys.
With a density of 9.22g/cm³, the round bar offers a sturdy, compact structure that maintains shape under stress. Its melting point range (1370-1418℃) ensures stability in high-temperature processes, such as chemical reactor operations or thermal processing.
At room temperature, the bar exhibits impressive mechanical properties: a tensile strength of 690 N/mm², a yield strength of 283 N/mm², and an elongation rate of 40%. These metrics ensure it can withstand heavy loads and structural stress without deformation.
The high molybdenum content makes it highly resistant to reducing media (e.g., dilute sulfuric acid, hydrochloric acid). Additionally, optimized microstructure reduces intergranular corrosion—critical for equipment exposed to harsh chemicals over long periods.
Unlike older Hastelloy B alloys, Hastelloy B-3 features improved machinability. This reduces production time and costs for manufacturing complex components (e.g., valves, pipelines) while maintaining structural integrity.
Certified to UNS N10675 standards, the round bar meets strict international requirements for chemical composition, physical properties, and performance. This ensures compatibility with global industrial projects and simplifies quality verification.
Used in reactors, pipelines, and valves that handle reducing media (e.g., sulfuric acid, phosphoric acid). Its corrosion resistance prevents equipment failure and ensures safe chemical production.
Ideal for downhole equipment, offshore platforms, and oil refining pipelines. It resists corrosion from crude oil, natural gas, and saltwater—critical for offshore and onshore drilling operations.
Applied in mixing tanks, heat exchangers, and drug processing equipment. Its non-reactive properties and corrosion resistance meet strict hygiene standards, preventing contamination of pharmaceutical products.
Suitable for marine pipelines, offshore structures, and shipboard equipment. It withstands saltwater corrosion and extreme temperature fluctuations, ensuring long-term reliability in marine environments.
Used in thermal processing equipment (e.g., furnaces, heat treating tools) thanks to its excellent thermal stability and high melting point. It maintains strength and corrosion resistance even at elevated temperatures.
We offer customized diameters and lengths of the Nickel-Molybdenum Alloy Round Bar to fit specific equipment designs. Whether you need a small-diameter bar for precision components or a long bar for pipelines, we can tailor the dimensions to your project.
Within industry standards, we can adjust the alloy’s composition (e.g., slight molybdenum or chromium modifications) to enhance specific properties—such as higher corrosion resistance for specialized chemical applications.
We provide detailed reports, including chemical composition analyses, mechanical performance test results, and UNS N10675 compliance certificates. These documents support your quality control processes and project certifications.
