B2 hot rolled steel round bars
B2 hot rolled steel round bars
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- Commodity name: B2 hot rolled steel round bars
Hastelloy 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.
B2 hot rolled steel round bars information
Hastelloy 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 can be used in the as-welded condition because it resists the formation of grain-boundary carbide precipitates in the weld heat-affected zone.This nickel alloy provides excellent resistance to hydrochloric acid at all concentrations and temperatures. In additions, Hastelloy B2 has excellent resistance to pitting, stress corrosion cracking and to knife-line and heat-affected zone attack. Alloy B2 provides resistance to pure sulfuric acid and a number of non-oxidizing acids.
Alloy B-2 has poor corrosion resistance to oxidizingenvironments, therefore, it is not recommended for use in oxidizing media or in the presence of ferric or cupric salts because they may cause rapid premature corrosion failure. These salts may develop when hydrochloric acid comes in contact with iron and copper. Therefore, if this alloy is used in conjunction with iron or copper piping in a system containing hydrochloric acid, the presence of these salts could cause the alloy to fail prematurely. In addition, this nickel steel alloy should not be used at temperatures between 1000° F and 1600° F because of a reduction in the ductility in the alloy.
Chemical and Mechanical
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 % Chemical Composition :
Hastelloy 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 Special Features :
- Each bundle covered with plastic for protection against extreme weather.
- End of Hastelloy B2 ASTM B335 Round Bar protected by plastic caps.
- Bundles strapped with plastic strips..
- Each radius of U-Bend tube separated by a separator.
- Packaging list (laminated) placed with box/crate.
Applications :
- Processing plant for sulphuric, phosphoric and acetic acids.
- Pulp and paper processing.
- Components in gas scrubbing plants.
- Seawater cooling equipment
- Oil refinery components
- Wires in electrostatic precipitators.
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To: Tianjin Bohai Metal Company
Tianjin Bohai Metal
Tel : +86 0635 6666186
Fax :+86 0635 6666186
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