Electric resistance alloy and its preparing process
A technology of resistance alloy and production process, which is applied in the field of metallurgy, can solve the problems of high Ni content and high production cost, and achieve the effects of reducing Ni content, saving energy and reducing production cost
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Embodiment 1
[0035] A resistance alloy, the weight percentage of its main components is: Ni: 18.0%, Cr: 26.0%, Si: 2.5%, C: 0.08%, Mn: 2.00%, Al: 0.05%, RE: 0.08%, Fe: balance.
[0036] Its production process is:
[0037] 1. Intermediate frequency melting:
[0038] 1.1 Preparation of raw materials: including charge, slag and deoxidizer, the charge is nickel plate, micro-carbon chromium, pure iron and metal manganese, the slag is calcium fluorite, and the deoxidizer is aluminum lime powder, Reserved after baking;
[0039] 1.2 Charging: Load the spare nickel plate, micro-carbon chromium and pure iron charge after baking in step 1.1 into the intermediate frequency melting furnace, and adjust the fluidity of the slag in time after the charge is melted to make it good;
[0040] 1.3 Refining:
[0041] After the furnace charge is melted, use deoxidizer aluminum lime powder to deoxidize in batches. After adding each batch of deoxidizer, wait for impurities (steel slag) in molten steel to react...
Embodiment 2
[0064] A resistance alloy as in Example 1, the difference is that the weight percentage of each component is: Ni: 19.0%, Cr: 25.0%, Si: 2.0%, C: 0.04%, Mn: 1.00%, Al: 0%, RE: 0.20%, Fe: balance.
[0065] 1. Intermediate frequency melting:
[0066] 1.1 Preparation of raw materials: including charge, slag and deoxidizer, the charge is nickel plate, micro-carbon chromium, pure iron and metal manganese, the slag is calcium fluorite, and the deoxidizer is aluminum lime powder, Reserved after baking;
[0067] 1.2 Charging: Load the spare nickel plate, micro-carbon chromium and pure iron charge after baking in step 1.1 into the intermediate frequency melting furnace, and adjust the fluidity of the slag in time after the charge is melted to make it good;
[0068] 1.3 Refining:
[0069] After the furnace charge is melted, use a deoxidizer (such as aluminum lime powder) to deoxidize in batches. After adding each batch of deoxidizer, wait for the impurities (steel slag) in the molten ...
Embodiment 3
[0092] A resistance alloy as in Example 1, the difference is that the weight percentage of each component is: Ni: 20.0%, Cr: 24.0%, Si: 1.5%, C: 0.01%, Mn: 1.50%, Al: 0.03%, RE: 0.17%, Fe: balance.
[0093] The production process is
[0094] 1. Intermediate frequency melting:
[0095] 1.1 Preparation of raw materials: including charge, slag and deoxidizer, the charge is nickel plate, micro-carbon chromium, pure iron and metal manganese, the slag is calcium fluorite, and the deoxidizer is aluminum lime powder, Reserved after baking;
[0096] 1.2 Charging: Load the spare nickel plate, micro-carbon chromium and pure iron charge after baking in step 1.1 into the intermediate frequency melting furnace, and adjust the fluidity of the slag in time after the charge is melted to make it good;
[0097] 1.3 Refining:
[0098] After the furnace charge is melted, use a deoxidizer (such as aluminum lime powder) to deoxidize in batches. After adding each batch of deoxidizer, wait for the...
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