on only.?Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.?Copyright 2004-2011 Aspose Pty Ltd.Р2.线材?如钢筋、钢丝等。РEvaluation only.?Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.?Copyright 2004-2011 Aspose Pty Ltd.Р二、建筑钢材的主要品种Р3.管材?无缝钢管、焊接钢管等。РEvaluation only.?Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.?Copyright 2004-2011 Aspose Pty Ltd.Р二、建筑钢材的主要品种Р4.板材?光面钢板、花纹钢板、彩色涂层钢板等。РEvaluation only.?Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.?Copyright 2004-2011 Aspose Pty Ltd.Р三、钢的冶炼方法简介Р按照炼钢炉的种类,炼钢方法可分为:?1. 空气转炉炼钢法一般炼制普通碳素钢。?2 .氧气转炉炼钢法炼制优质碳素钢和合金钢。?3 .平炉炼钢法用来炼制优质碳素钢、合金钢或有特殊要求的专用钢。?4.电炉炼钢法Р液态生铁Р白口铁Р吹入空气或氧气Р钢Р浇注成钢锭Р脱氧Р熔融РEvaluation only.?Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.?Copyright 2004-2011 Aspose Pty Ltd.
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