ASTM B335 Hastelloy B2 Round Bar, UNS N10665 Round Bars
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HASTELLOY B-2 alloy is a nickel-base wrought alloy with excellent resistance to hydrochloric acid at all concentrations and temperatures. It also withstands hydrogen chloride, sulfuric, acetic and phosphoric acids.
The alloy has excellent resistance to pitting, to stresscorrosion cracking and to knifeline and heat-affected zone
attack. It resists the formation of grain-boundary carbide precipitates in the weld heataffected zone, thus making it
suitable for most chemical process applications in the aswelded condition.
Hastelloy® Alloy B2 is a solid solution strengthened, nickel-molybdenum alloy, with significant resistance to reducing environments like hydrogen chloride gas, and sulfuric, acetic and phosphoric acids. Molybdenum is the primary alloying element which provides significant corrosion resistance to reducing environments. This nickel steel alloy (Hastelloy® Alloy B2) can be used in the as-welded condition because it resists the formation of grain-boundary carbide precipitates in the weld heat-affected zone.
Hastelloy B2 round Bars (UNS N10665) is often used for most chemical progression applications in the welded form and gasoline refining.
Hastelloy® Alloy B2 round bar Specifications
| Standard | Hastelloy® Alloy B2 | |
|---|---|---|
| 1 | UNS | N10665 |
| 2 | Werkstoff Nr. | 2.4617 |
Hastelloy® Alloy B2 Chemical Composition
| Hastelloy® Alloy B2 | |
|---|---|
| Ni | Bal |
| Mo | 26 – 30 |
| Fe | 2.0 max |
| C | 0.02 max |
| Co | 1.0 max |
| Cr | 1.0 max |
| Mn | 1.0 max |
| Si | 0.1 max |
| P | 0.04 max |
| S | 0.03 max |
Hastelloy® Alloy B2 Mechanical & Physical Properties
| Density | 9.2 g/cm3 |
|---|---|
| Melting Point | 1370 °C (2500 ºF ) |
| Tensile Strength | Psi – 1,10,000, MPa – 760 |
| Yield Strength (0.2%Offset) | Psi – 51000, MPa – 350 |
| Elongation | 40 % |
