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1 适用范围本标准适用于铁 -硅 (Ｆｅ -Ｓｉ)钢。这类钢一般用于机电设备中 ,例如继电器和螺线管。对电阻率、磁导率和低矫顽力、低剩磁要求高的材料则使用碳钢或软磁低碳钢。本标准包括的钢种有 :钢种 标称化学组分1 1 .1 %Ｓｉ-Ｆｅ1Ｆ(易切削钢 ) 1 .1 %Ｓｉ-
1 Scope This standard applies to iron - silicon (Fe -Si) steel. These types of steels are commonly used in electromechanical equipment such as relays and solenoids. For materials with high resistivity, permeability and low coercivity and high requirements for low remanence, carbon steel or mild steel is used. This standard includes the following types of steel: steel nominal chemical composition 1 1 .1% Si-Fe1F (free-cutting steel) 1 .1% Si-