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公开(公告)号：US4080225A
公开(公告)日：1978-03-21
申请号：US730938
申请日：1976-10-08
申请人： Frederick J. Semel
发明人： Frederick J. Semel
摘要： The invention involves a steel and the process of making it, which steel is especially adapted for welding at good productivity to produce a product well able to meet the special low temperature requirements for such purposes as ships for transporting liquified natural gas, without departing from normal steelmaking and rolling practices beyond ordinary normalizing. The steel for this and other reasonably similar purposes will have the following composition range:______________________________________ Percent Preferred Percent ______________________________________ Carbon 0.04 to 0.12 0.06 to 0.10 Manganese 0.30 to 0.90 0.65 to 0.85 Silicon 0.15 to 0.50 0.20 to 0.35 Nickel 0.15 to 0.50 Copper 0.15 to 0.40 Aluminum (acid soluble) 0.020 to 0.090 Aluminum (total) 0.025 to 0.100 Niobium (Columbium) 0.020 to 0.060 0.035 to 0.055 Iron and impurities, balance ______________________________________
摘要翻译： 本发明涉及一种钢及其制造方法，该钢特别适用于以良好的生产率进行焊接以产生能够满足用于运输液化天然气的船舶的特殊低温要求的产品，而不脱离正常 炼钢和轧制实践超越普通规范化。 用于此和其它合理相似目的的钢将具有以下组成范围：}百分比优选百分比}碳0.04至0.12 0.06至0.10}锰0.30至0.90 0.65至0.85}硅0.15至0.50 0.20至0.35}镍0.15至0.50} 铜0.15〜0.40}铝（酸溶性）0.020〜0.090}铝（总计）0.025〜0.100}铌（铌）0.020〜0.060 0.035〜0.055}铁和杂质，余量}
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公开(公告)号：US4065331A
公开(公告)日：1977-12-27
申请号：US730937
申请日：1976-10-08
申请人： Frederick J. Semel
发明人： Frederick J. Semel
摘要： This is a process and product in which excellent properties are achieved with a relatively low alloy steel and normal rolling with a steel having the following composition in addition to iron and impurities, in percentages by weight:______________________________________ Carbon .05 to .12 Manganese .25 to .90 Silicon .15 to .50 Nickel .15 to .50 Copper .15 to .50 Aluminum .02 to .110 Niobium (Columbium) .07 to .140 Nitrogen .007 to .015 Phosphorus .010 maximum Sulfur .025 maximum. ______________________________________
摘要翻译： 这是一种工艺和产品，其中以相对低的合金钢和除了铁和杂质之外的具有以下组成的钢的正常轧制可以获得优异的性能，重量百分比：}碳0.05至1.2）锰。 25至.90}硅.15至.50}镍.15至.50}铜.15至.50}铝.02至.110}铌（铌）.07至.140}氮0.007至.015} 磷最大.010最大硫磺.025最大值。 }
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