ASTM B(). Standard Specification for Precipitation Hardening Nickel- Copper-Aluminum Alloy (UNS N) Bar, Rod, Wire. ASTM B Round Bar is a precipitation-hardenable nickel-copper material that combines the excellent corrosion resistance characteristic of Monel with the . Aesteiron leading Monel K ASTM B Rod manufacturers, have wide range of ASTM F, ASTM B, ASTM B Round Bar & ASTM B Rod.
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ASTM B Round Bar is a precipitation-hardenable nickel-copper material that combines the excellent corrosion resistance characteristic of Monel with the added advantage of greater strength and hardness.
Monel K500 ASTM B865 Rod / ASTM F468, ASTM B366, ASTM B865 Round Bar & ASTM B865 Rod
These amplified properties, strength and hardness, are obtained by adding aluminum and titanium to the nickel-copper base and by a thermal processing used to effect precipitation, typically called age hardening or aging.
When in the age-hardened condition, Monel K has a greater tendency toward stress-corrosion cracking in some environments than Monel Alloy K has approximately three times the yield strength and double the tensile strength when compared with alloy Plus, it can be further strengthened by cold working prior to precipitation hardening. Monel K Round Bars is a nickel-chromium alloy bar that contains supplemental amounts of columbium, iron, molybdenum, aluminum, and titanium.
Monel K Round Bars have high strength properties, heat treatable, good corrosion resistance, formability and weldability.
Monel K ASTM B Rod & ASTM F, ASTM B, ASTM B Round Bar & ASTM B Rod-Aesteiron
Monel K Round Bars is commonly used for valves, fasteners, tubing materials and mandrels. Monel K Round Bars has excellent cryogenic and heat ranges.
Common uses of Monel K include deployment in gas turbines, subservice safety valves, aircraft engines, thrust reversers, and industrial fasteners. ASTM B specification covers UNS N nickel-copper-aluminum alloy rounds, squares, hexagons, rectangles, and forgings and forging stocks manufactured by either hot working or cold working, and cold-worked wire.
The material should conform to the required mechanical properties in both aged and unaged conditions.
Precipitation hardening is accomplished by holding the material at a high temperature, followed by furnace cooling and then air cooling. Monel K is readily fabricated by standard commercial procedures. Welding alloy K is best accomplished by the gas-tungsten-arc welding process.
It is recommended that Monel K be annealed when it is welded and that any weldments be stress relieved prior to aging. Heavy machining of this alloy is best accomplished when the material is in the annealed condition or hot-worked and quenched condition. Age-hardened material however can be finish-machined to close tolerances and fine finishes.
Therefore, the recommended practice is to machine slightly oversize, age-harden, then finish to size.
During aging, a slight permanent contraction takes place, but little warpage occurs because of the low temperatures and slow cooling rates involved.
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