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ASTM B865 K500 NO5500 Copper Monel Nickel Alloy Round Bar Tungsten steel drill bits
Overview
Monel K500 is a precipitation-hardenable nickel-copper alloy that combines the excellent corrosion resistance of Monel 400 with the added benefits of higher strength and hardness. These amplified properties, strength and hardness, are obtained by adding aluminum and titanium to a nickel-copper matrix and precipitating it through thermal processing, often called age hardening or aging. When in the age-hardened state, Monel K-500 is more susceptible to stress corrosion cracking than Monel 400 in certain environments. Alloy K-500 has about three times the yield strength and twice the tensile strength compared to alloy 400. In addition, it can be further strengthened by cold working prior to precipitation hardening. This nickel steel alloy maintains its strength at 1200°F, but remains ductile and tough at 400°F, with a melting range of 2400-2460°F.
However, it is possible for a magnetic layer to form on the surface of the material during processing. Aluminum and copper may be selectively oxidized during the heating process, leaving a magnetic-rich nickel film on the outside. Pickling or bright soaking in acid can remove this magnetic film and restore the non-magnetic properties.
Density: 8.8g/cm3
Characteristic
ASTM B865 bar is a precipitation hardenable copper-nickel material that combines the excellent corrosion resistance properties possessed by Monel 400, but its greatest advantage is its higher hardness and strength. Compared to Alloy 400, Monel K500 round bar has approximately twice the tensile strength and three times the yield strength. In addition, alloy K500 can be strengthened even more by cold working prior to precipitation hardening. Welding of alloy K500 can be accomplished by a gas tungsten welding process.
Chemical properties
| Chemical Requirements | |||||||
| Ni | Mn | Si | Fe | Al | S | C | |
| Max | 1.5 | 0.5 | 2 | 3.15 | 0.01 | 0.18 | |
| Min | 63 | 2.3 | |||||
| Form and Condition | Tensile Strength,
1000 psi | Yield Strength
0.2% offset, 1000 psi | Elongation
% | Hardness
Rockwell |
Sheet, Cold Rolled, Annealed
Plate Hot-Finished Hot-Finished, Aged(b) | 90-105
90-135 140-180 | 40-65
40-110 100-135 | 45-25
45-20 30-20 | 85B max
75B-26C 27-37C |
Special Features :
Each bundle is covered with plastic to protect against extreme weather.
Monel K500 ASTM B865 round bars are protected by plastic caps on the ends.
Bundles have plastic strips.
There is a separator for each radius of the U-bend.
Packing list (laminated) is put together with the box/case.
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.
