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Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length

  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
  • Hastelloy B-2 Round Bar Nickel-Molybdenum Alloy Rod Heat Resistant up to 1093°C Corrosion Resistant to Reducing Acids Custom Cutting Any Length
Certification ISO, AISI, ASTM, GB
Minimum Order Quantity 50 kg
Product Details
Model Number B2 Shape Round
Technique Hot Rolled Surface Treatment Pickling
Length Within 6m Tolerance H8-H13
Diameter Range 5-350mm Chemical Composition Nickel (Ni): ≥65, Molybdenum (Mo): 26-30, Iron (Fe): ≤2.0, Chromium (Cr): ≤1.0, Cobalt (Co): ≤1.0, Carbon (C): ≤0.02, Manganese (Mn): ≤1.0, Silicon (Si): ≤0.10, Phosphorus (P): ≤0.040, Sulfur (S): ≤0.030
Tensile Strength ≥690 MPa Yield Strength ≥310 MPa
Elongation ≥40% Hardness ≤230 HB
Heat Resistance Continuous Up To 1093°C (2000°F); Short-term Up To 1204°C (2200°F) Corrosion Resistance Excellent Resistance To Hydrochloric Acid, Sulfuric Acid, Acetic Acid, Formic Acid, And Other Reducing Acids; Good Resistance To Chloride-containing Solutions And Organic Compounds
Diameter Custom Range 6 Mm - 200 Mm
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Heat Resistant up to 1093°C Hastelloy B-2 Round Bar

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Corrosion Resistant to Reducing Acids Nickel-Molybdenum Alloy Rod

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Custom Cutting Any Length Heat Resistant Alloy Bar
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Product Description
Hastelloy B-2 Round Bar Heat Resistant Alloy Rods
Premium nickel-molybdenum heat-resistant alloy rods engineered for petrochemical and pharmaceutical equipment applications requiring exceptional corrosion resistance in reducing environments.
Product Specifications
Product Name Hastelloy B-2 Round Bar
Diameter Range 10 - 350mm
Length Custom cutting to any required length
Surface Finish Bright, Black, Pickling, Polishing
Brand DELTA
Services Cutting, Polishing
Minimum Order Quantity 2 Kgs
Other Available Forms Bar, Strip, Coil, Pipe, Sheet, Plate, Wire
Packing Wooden Box
Loading Port Shanghai Port
Price Terms EXW, FOB, CIF, CFR
Delivery Time Within 12 days
Product Introduction
Hastelloy B-2 round bars are premium nickel-molybdenum (Ni-Mo) heat-resistant alloy rods specifically engineered to meet the rigorous demands of petrochemical and pharmaceutical industries. This alloy exhibits exceptional resistance to reducing environments, making it ideal for applications where other materials often fail due to corrosion.
In the petrochemical sector, these round bars are widely used in equipment such as reactors, heat exchangers, and piping systems that handle harsh media like hydrochloric acid, sulfuric acid, and various organic compounds at elevated temperatures. Their ability to maintain structural integrity even in high-temperature (up to 1093°C / 2000°F) and high-pressure conditions ensures long-term reliability and minimizes downtime for maintenance.
For the pharmaceutical industry, where purity and hygiene are paramount, Hastelloy B-2 round bars offer excellent resistance to a wide range of pharmaceutical intermediates and cleaning agents. They do not leach harmful elements into the process, ensuring compliance with strict industry regulations and safeguarding pharmaceutical product quality. The smooth surface finish facilitates easy cleaning and sterilization, enhancing suitability for pharmaceutical equipment manufacturing.
Technical Parameters
Parameter Specification
Chemical Composition (Typical, %) Nickel (Ni): ≥65, Molybdenum (Mo): 26-30, Iron (Fe): ≤2.0, Chromium (Cr): ≤1.0, Cobalt (Co): ≤1.0, Carbon (C): ≤0.02, Manganese (Mn): ≤1.0, Silicon (Si): ≤0.10, Phosphorus (P): ≤0.040, Sulfur (S): ≤0.030
Diameter Range 6 mm - 200 mm (Customizable)
Length 1000 mm - 6000 mm (Custom cutting available)
Tensile Strength (Room Temperature) ≥690 MPa
Yield Strength (Room Temperature, 0.2% Offset) ≥310 MPa
Elongation (in 50 mm) ≥40%
Hardness (Brinell) ≤230 HB
Heat Resistance Continuous operating temperature up to 1093°C (2000°F); Short-term operating temperature up to 1204°C (2200°F)
Corrosion Resistance Excellent resistance to hydrochloric acid, sulfuric acid, acetic acid, formic acid, and other reducing acids; Good resistance to chloride-containing solutions and organic compounds
Executive Standards
Hastelloy B-2 round bars adhere to international and industry-recognized standards to ensure consistent quality and performance:
  • ASTM B335: American Society for Testing and Materials standard specifying requirements for nickel-alloy rod and bar, including chemical composition, mechanical properties, dimensional tolerances, and testing methods.
  • ASME SB-335: American Society of Mechanical Engineers standard used in design and manufacturing of pressure vessels and piping systems for critical pressure-containing applications.
  • EN 10095: European standard for heat-resistant steels and nickel-based alloys, setting requirements for chemical composition, mechanical properties, and heat treatment.
  • JIS H4552: Japanese Industrial Standard for nickel and nickel-alloy bars, commonly referenced in Japanese manufacturing facilities and markets recognizing Japanese technical standards.
Similar Grades
Several similar grades offer comparable properties and can be considered as alternatives in certain applications:
  • Hastelloy B-3: Improved version with lower carbon content and optimized silicon and iron levels, enhancing resistance to intergranular corrosion and improving weldability for high-temperature reactors.
  • Ni-Mo Alloy 200: Pure nickel alloy with good corrosion resistance in reducing environments, suitable for less severe corrosion environments with lower molybdenum content.
  • Alloy C-276: Nickel-chromium-molybdenum alloy offering excellent all-round corrosion resistance for complex environments containing both reducing and oxidizing agents.
Related Products
Comprehensive range of related products to meet diverse petrochemical and pharmaceutical industry needs:
  • Hastelloy B-2 Plates: Available in thicknesses from 1 mm to 100 mm and widths up to 2000 mm for pressure vessels, storage tanks, and reactor shells.
  • Hastelloy B-2 Pipes and Tubes: Seamless and welded varieties with outer diameters from 6 mm to 600 mm for reliable fluid transportation systems.
  • Hastelloy B-2 Welding Consumables: Full line of electrodes, wires, and fluxes formulated to match chemical composition and mechanical properties for strong, corrosion-resistant weld joints.
  • Hastelloy B-2 Forgings: Custom-manufactured forgings for complex shapes and high strength applications such as valve bodies, pump impellers, and fittings in harsh environments.
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