958 alloy for die casting and red silver jewelry and processing technology thereof
A processing technology and alloy technology, applied in the field of alloys, can solve problems such as vulcanization blackening, acceleration, and lack of corrosion resistance, and achieve the effects of small gas absorption, small shrinkage cavity formation tendency, and excellent filling performance
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Embodiment 1
[0018] A 958 alloy for die-casting red silver jewelry and its processing technology. In terms of weight percentage, the composition of the alloy is C:0.2wt.%, B:0.5wt.%, Ba:1.2wt.%, Ti:0.4wt.%, Mo:0.8wt.%, Sb:0.3wt.%. , Ag: 95.0wt.%, the balance is copper. The above-mentioned 958 alloy for red silver jewellery, which is used for die-casting, and its processing technology include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is 520 degrees, and the temperat...
Embodiment 2
[0021] A 958 alloy for die-casting red silver jewelry and its processing technology. In terms of weight percentage, the composition of the alloy is C:0.3wt.%, B:0.6wt.%, Ba:1.4wt.%, Ti:0.8wt.%, Mo:1.2wt.%, Sb:0.5wt.%. , Ag: 96.0wt.%, the balance is copper. The above-mentioned 958 alloy for red silver jewellery, which is used for die-casting, and its processing technology include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is 520 degrees, and the temperat...
Embodiment 3
[0024] A 958 alloy for die-casting red silver jewelry and its processing technology. In terms of weight percentage, the composition of the alloy is C:0.2wt.%, B:0.5wt.%, Ba:1.3wt.%, Ti:0.5wt.%, Mo:0.9wt.%, Sb:0.4wt.%. , Ag: 95.0.0wt.%, the balance is copper. The above-mentioned 958 alloy for red silver jewellery, which is used for die-casting, and its processing technology include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; Minutes, stir evenly by high-frequency induction furnace electromagnetically; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is 520 degrees, and the temper...
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