HASTELLOY B-2 American nickel-based alloy

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Product information

Brand: HASTELLOY B-2
Factory location: USA
‌Hastelloy B-2 alloy has excellent mechanical properties, such as yield strength, tensile strength, elongation and hardness, which ensure the reliability and durability of the material in a variety of applications. ‌
Hastelloy B-2 is a nickel-based alloy, mainly composed of nickel, molybdenum, iron, chromium and other elements. Compared with Hastelloy B alloy, Hastelloy B-2 alloy has improved the content of some harmful elements such as iron and chromium, thus improving its corrosion resistance and weldability. The mechanical properties of this alloy in the solution treatment state are excellent, and its unique material composition and excellent performance have long been prominent in the industrial field. Hastelloy B-2 alloy controls the minimum content of iron and chromium elements, prevents the formation of β phase Ni4Mo, and shows excellent corrosion resistance to reducing environments, excellent resistance to moderate concentration sulfuric acid and many non-oxidizing acid corrosion, good resistance to chloride ion reduction stress corrosion cracking (SCC), excellent resistance to various organic acids. These properties enable Hastelloy B-2 alloy to maintain stable performance under various extreme conditions ‌

Product parameter

Chemical composition
‌ nickel (Ni) ‌ : residual, nickel is the main component of Hastelloy B-2 alloy, which can improve the corrosion resistance and mechanical properties of the alloy.
‌ molybdenum (Mo) ‌ : 26.0-30.0%. The addition of molybdenum increases the corrosion resistance of the alloy, especially the corrosion resistance to oxidizing media.
‌ Chromium (Cr) ‌ : 0.4-0.7%, chromium improve the corrosion resistance and oxidation resistance of the alloy.
‌ Iron (Fe) ‌ : 1.6-2.0%. As a matrix metal, iron affects the mechanical properties of alloys.
‌ manganese (Mn) ‌ : 1.0%, manganese plays a strengthening role in the alloy.
‌ silicon (Si) ‌ : 0.08%, silicon contributes to the corrosion resistance and mechanical properties of the alloy.
‌ copper (Cu) ‌ : 0.5%. The addition of copper can improve the workability and corrosion resistance of the alloy.
‌ Phosphorus (P) ‌ : 0.02%. As an impurity element, phosphorus has little influence on the properties of the alloy.
‌ sulfur (S) ‌ : 0.01%, sulfur is an impurity element, has little effect on the properties of the alloy.
Mechanical property
Density: 9.2g /cm³
· Melting point: 1330-1380 ℃
· Thermal conductivity: 11.1W /m℃ (100℃)
· Specific heat capacity: 377 J/kg℃
· Elastic modulus: 217 GPa
· Shear modulus: 1.37 GPa
· Resistivity: 10.3 μΩm
· Poisson's ratio: 0.3
· Linear expansion coefficient: 10.3 × 10⁻⁶/℃ (20-100 ℃)
Mechanical property
At 20℃, the mechanical properties of HastelloyB-2 are as follows:
· Tensile strength σb: 745 MPa
· Yield strength σp0.2:325 MPa
· Elongation σ5: ≥40%
· Brinell hardness HBS: ≥250 (after solution treatment)

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Shiyu Metal Material Technology Co., Ltd. is a collection of procurement, processing, agent, sales, logistics, warehousing in one of the enterprises, the company has a large-scale spot supply base in China, with domestic and foreign large steel mills and suppliers to maintain good relations of cooperation, with a full range of multi-channel procurement resources.
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