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20MnV has better strength, plasticity, toughness, and hardenability than 20Mn2. 20MnV is equivalent to 20CrNi steel and can be used for manufacturing boilers, high-pressure vessels, and pipelines.
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The power of the selected converter must be greater than the power of the electrical appliance.
Some friends will ask if my electrical appliances have low power, can I use a high-power converter? In fact, as long as the voltage is 12V, the greater the power of the adapter, the greater the energy and the more stable it will be.