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1.发明授权Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point 失效使用受控露点的氢处理立方体边缘取向硅钢
公开(公告)号：US4000015A
公开(公告)日：1976-12-28
申请号：US577571
申请日：1975-05-15
CPC分类号： C21D3/04 , C21D8/1255 , C22C38/02
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; decarburizing said steel to a carbon level below 0.02% in a hydrogen-bearing atmosphere havng a dew point of from +20.degree. F to +60.degree. F; and final texture annealing said steel.
摘要翻译： 一种具有立方体边缘取向的电磁硅钢的制造方法。 该方法包括以下步骤：制备含有0.02至0.06％的碳，0.0006至0.0080％的硼，至多0.01％的氮和2.5至4.0％的硅的硅钢熔体; 铸钢; 热轧钢铁; 冷轧钢; 在含氢气氛中将所述钢脱碳至0.02％以下的碳水平，露点为+20°F至+60°F; 并对钢材进行最后的纹理退火处理。
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公开(公告)号：US4244757A
公开(公告)日：1981-01-13
申请号：US41138
申请日：1979-05-21
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.015 to 0.15% manganese, from 0.0006 to 0.0080% boron, up to 0.0045% nitrogen, from 0.005 to 0.019% sulfur, no more than 0.0065% phosphorus and from 2.5 to 4.0% silicon; casting the steel; hot rolling the steel; welding the steel to another steel member of like chemistry; cold rolling the steel to a thickness no greater than 0.020 inch; decarburizing the steel; applying a refractory oxide coating to the steel; and final texture annealing the steel.
摘要翻译： 一种具有立方体边缘取向的电磁硅钢的制造方法。 该方法包括以下步骤：制备含有0.02至0.06％的碳，0.015至0.15％的锰，0.0006至0.0080％的硼，至多0.0045％的氮，0.005至0.019％的硫，不再含硫的硅钢 超过0.0065％的磷和2.5至4.0％的硅; 铸钢; 热轧钢; 将钢焊接到另一种类似化学的钢构件; 将钢冷轧至不大于0.020英寸的厚度; 钢脱碳; 将耐火氧化物涂层施加到钢; 并对钢材进行最终质感退火。
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公开(公告)号：US4608100A
公开(公告)日：1986-08-26
申请号：US553731
申请日：1983-11-21
CPC分类号： C21D8/1233
摘要： A method is provided for producing thin gauge cube-on-edge grain-oriented silicon steel from hot-rolled band to final gauge in two cold reduction steps. The two-stage cold reduction process requires an intermediate anneal between the two stages of cold reduction and requires that the cold working of the desired intermediate gauge to final gauge include a cold reduction of at least 55% to provide a final gauge product of nominally 0.007 inch.A cube-on-edge grain-oriented silicon steel product is also provided.
摘要翻译： 提供了一种用于在两个冷还原步骤中从热轧带到最终规格的薄壁立方晶粒取向硅钢的生产方法。 两级冷还原方法需要在两个冷却还原阶段之间进行中间退火，并且要求将期望中间量规冷却至最终量规包括至少55％的冷还原，以提供名义上为0.007的最终量规产品 英寸。 还提供了一种立方体晶粒取向硅钢产品。
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公开(公告)号：US4157925A
公开(公告)日：1979-06-12
申请号：US895678
申请日：1978-04-12
CPC分类号： H01F1/14783 , C21D8/1272 , C22C38/02 , C21D8/1283
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.015 to 0.15% manganese, from 0.005 to 0.05% of material from the group consisting of sulfur and selenium, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, up to 1.0% copper, less than 0.005% antimony, less than 0.009% aluminum and from 2.5 to 4.0% silicon; casting; hot rolling; cold rolling; decarburizing; applying a refractory oxide base coating; and final texture annealing. During final texture annealing the steel is heated from a temperature of 1700.degree. F. to a temperature of 1900.degree. F. at an average rate of less than 30.degree. F. per hour, and subsequently maintained at a temperature in excess of 2000.degree. F. for a period of time sufficient to effect a purification of the steel.
摘要翻译： 一种具有立方体边缘取向的电磁硅钢的制造方法。 该方法包括以下步骤：制备含有0.02至0.06％的碳，0.015至0.15％的锰，0.005至0.05％的来自硫和硒的材料，含量为0.0006至0.0080％的硅钢， ，高达0.0100％的氮，至多1.0％的铜，小于0.005％的锑，小于0.009％的铝和2.5-4.0％的硅; 铸件; 热轧; 冷轧 脱碳; 施加耐火氧化物基底涂层; 和最终纹理退火。 在最后的纹理退火过程中，将钢从1700°F的温度以小于30°F /小时的平均速率加热到1900°F的温度，然后保持在超过2000°F的温度 一段时间足以实现钢的净化。
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公开(公告)号：US4337101A
公开(公告)日：1982-06-29
申请号：US179405
申请日：1980-08-18
CPC分类号： C21D8/1261 , C22C38/02 , C21D8/1233
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1800 (G/O.sub.e) at 10 oersteds. The process includes the steps of preparing a melt of silicon steel containing from 0.02% to 0.06% carbon, from 0.0006% to 0.008% boron, up to 0.01% nitrogen, up to 0.008% aluminum and from 2.5% to 4.0% silicon, casting the steel, hot rolling the steel to hot band gage, annealing the hot band in a temperature range of from 1450.degree.-1650.degree. F., cold rolling the steel to a final gage of about 0.018 inch in one cold reduction, decarburizing the steel, applying a refractory oxide base coating to the steel and texture annealing the steel.
摘要翻译： 一种在10奥斯特制造具有立方体边缘取向和至少1800（G / Oe）的渗透性的电磁硅钢的方法。 该方法包括制备含有0.02％至0.06％碳，0.0006％至0.008％硼，至多0.01％氮，至多0.008％铝和2.5％至4.0％硅的硅钢熔体的步骤，铸造 钢，将钢热轧到热带规，在1450°-1650°F的温度范围内对热带进行退火，在一次冷轧中将钢冷轧至约0.018英寸的最终规格，对钢进行脱碳 将耐火氧化物基底涂层施加到钢上并对钢进行质地退火。
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6.发明授权Process for cube-on-edge oriented boron-bearing silicon steel including normalizing 失效包括正规化在内的立方体定向含硼硅钢的工艺
公开(公告)号：US4030950A
公开(公告)日：1977-06-21
申请号：US696966
申请日：1976-06-17
CPC分类号： H01F1/14783 , C21D8/1255
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1870 (G/O.sub.e) at 10 oersteds. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, no more than 0.008% aluminum and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; normalizing said steel at a temperature of from 1300.degree. to 2000.degree. F in a hydrogen-bearing atmosphere having a dew point of from +20.degree. to +110.degree. F; applying a refractory oxide base coating to said steel; and final texture annealing said steel. The variables of time, temperature and dew point are monitored during normalizing so as to result in a steel having at least 320 parts per million of oxygen, based on the total weight of the steel, within 10 microns of the surfaces of said steel.
摘要翻译： 一种在10奥斯特制造具有立方体边缘取向和至少1870（G / Oe）渗透率的电磁硅钢的方法。 该方法包括以下步骤：制备含有0.02至0.06％碳，0.0006至0.0080％硼，至多0.01％氮，不超过0.008％铝和2.5至4.0％硅的硅钢熔体; 铸钢; 热轧钢铁; 冷轧钢; 在露点为+20°至+ 110°F的含氢气氛中，在1300°至2000°F的温度下对所述钢进行标准化; 对所述钢施加耐火氧化物基底涂层; 并对钢材进行最后的纹理退火处理。 在标准化期间监测时间，温度和露点的变量，以便在所述钢的表面的10微米内产生具有至少320ppm的氧，基于钢的总重量的钢。
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公开(公告)号：US3954521A
公开(公告)日：1976-05-04
申请号：US498798
申请日：1974-08-19
CPC分类号： H01F1/14775 , C21D8/1244 , C21D8/1255 , C21D8/1261
摘要： The application describes a process for producing grain oriented silicon steel wherein advantages are realized from the utilization of starting material with a relatively high carbon content. The process involves a series of steps including hot rolling, heat treating, cold rolling, normalizing, decarburizing and annealing.
摘要翻译： 本申请描述了一种生产晶粒取向硅钢的方法，其中利用具有较高碳含量的起始材料实现了优点。 该方法包括热轧，热处理，冷轧，归一化，脱碳和退火的一系列步骤。
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公开(公告)号：US4693762A
公开(公告)日：1987-09-15
申请号：US763885
申请日：1985-08-08
CPC分类号： C21D1/26 , C21D8/1272
摘要： A method is provided for final texture annealing silicon steel to produce a cube-on-edge grain orientation having lower core losses and higher magnetic permeability. The method includes using a controlled heating cycle including a substantially isothermal hold at a selected recrystallization temperature of about 1650.degree. F. to improve secondary recrystallization and the Goss texture (110) [001].
摘要翻译： 提供了用于最终纹理退火硅钢以产生具有较低磁芯损耗和较高磁导率的立方体边缘晶粒取向的方法。 该方法包括在约1650°F的选择的再结晶温度下使用包括基本上等温保持的受控加热循环，以改善二次再结晶和高斯结构（110）[001]。
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9.发明授权
公开(公告)号：US4078952A
公开(公告)日：1978-03-14
申请号：US696969
申请日：1976-06-17
CPC分类号： C22C38/02 , C21D8/12 , C21D8/1233
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1870 (G/O.sub.e) at 10 oersteds. Involved therein are the steps of cold rolling a hot rolled band to final gage without an intermediate anneal between cold rolling passes; and preparing said band from a melt having 0.0006 to 0.0018% boron, and manganese and sulfur contents which produce a manganese to sulfur ratio of at least 1.83 in said band.
摘要翻译： 一种在10奥斯特制造具有立方体边缘取向和至少1870（G / Oe）渗透率的电磁硅钢的方法。 涉及的步骤是将热轧带材冷轧成最终规格而不在冷轧道次之间进行中间退火; 并从具有0.0006至0.0018％硼的熔体制备所述带，以及在所述带中产生至少1.83的锰与硫比的锰和硫含量。
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公开(公告)号：US4054470A
公开(公告)日：1977-10-18
申请号：US696970
申请日：1976-06-17
CPC分类号： C22C38/02 , C21D8/12 , H01F1/14775 , C21D8/1222
摘要： A hot rolled band suitable for processing into cube-on-edge oriented silicon steel having a permeability of at least 1870 (G/O.sub.e) at 10 oersteds and a core loss of no more than 0.700 watts per pound at 17 kilogauss; and processing for the steel from which the band is made. The hot rolled band has a thickness of from about 0.050 to about 0.120 inch; and consists essentially of, by weight, 0.02 to 0.06% carbon, 0.015 to 0.15% manganese, 0.01 to 0.05% of material from the group consisting of sulfur and selenium; 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, 2.5 to 4.0% silicon, between 0.3 and 1.0% copper, no more than 0.008% aluminum, balance iron. Processing includes the steps of cold rolling the steel band to a thickness no greater than 0.020 inch without an intermediate anneal between cold rolling passes; preparing several coils from the steel; decarburizing the steel and final texture annealing the steel. Essential to the invention is the inclusion of a controlled amount of copper in the melt.
摘要翻译： 适用于加工成立方体取向硅钢的热轧带，其在10奥斯特的渗透率至少为1870（G / Oe），在17千点时的核心损失不超过0.700瓦特/磅; 以及制造带的钢的加工。 热轧带的厚度为约0.050至约0.120英寸; 并且基本上由以重量计0.02％至0.06％的碳，0.015至0.15％的锰，0.01至0.05％的来自硫和硒的材料; 0.0006至0.0080％的硼，至多0.0100％的氮，2.5至4.0％的硅，0.3至1.0％的铜，不超过0.008％的铝，余量的铁。 加工包括将钢带冷轧至不大于0.020英寸的厚度的步骤，而不需要在冷轧道次之间进行中间退火; 从钢中准备好几个线圈; 对钢进行脱碳，对钢进行最终质感退火。 本发明的关键是在熔体中包含受控量的铜。
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