钢材的规格和标注Specificationsandanno.pptx

钢材的规格和标注Specificationsandannotationsofsteel

Specificationsandannotationsofsteel

钢材的规格和符号

4钢结构构件采用的钢材规格有哪些呢？Whatarethesteelspecificationsusedinsteelstructurecomponents?钢结构是以钢板、型钢、薄壁型钢制成的构件或元件，通过焊接、铆接、螺栓连接等方式而组成的结构。Steelstructureisastructurecomposedofcomponentsorcomponentsmadeofsteelplates,sectionsteel,andthin-walledsectionsteelthroughwelding,riveting,bolting,etc.

规格specification厚度mmthickness宽度mmwidth长度mlength厚钢板Thicksteelplate4.5-60600-30004.0-12.0薄钢板Thinsteelplate0.35-4500-15000.5-4.0扁钢Flatsteel3-6010-2003.0-9.0一、热轧钢板Hotrolledsteelplate（1）钢板分类Classificationofsteelplates

（2）表示方法：在符号“—”后加“宽度×厚度×长度”Representation:Addwidth×thickness×lengthafterthesymbol——300×10×3000钢板符号Steelplatesymbol宽wide厚thick长long1、热轧钢板Hotrolledsteelplate

钢板焊接成的十字形钢Cross-shapedsteelweldedfromsteelplates

钢板焊成的H形钢H-shapedsteelweldedintosteelplates钢板制作的檩托Purlinsmadeofsteelplates1、热轧钢板Hotrolledsteelplate

2.热轧型钢2.Hotrolledsectionsteel角钢AngleH型钢H-beam工字型钢I-beam槽钢Channelsteel圆管RoundtubeT型钢T-beam

（1）热轧H型钢(1)HotrolledH-beam宽翼缘(HW)Wideflange(HW)H型钢的翼缘宽度与H型钢高度基本一致。TheflangewidthofH-beamsteelisbasicallythesameastheheightofH-beam中翼缘(HM)Middleflange(HM)H型钢的翼缘宽度大致是H型钢高度的2/3。TheflangewidthofH-beamsteelisroughly2/3oftheheightofH-beam.窄翼缘(HN)Narrowflange(HN)翼缘宽度大于等于H型钢高度的1/2。Theflangewidthisgreaterthanorequalto1/2oftheheightoftheH-beam分类翼缘flange腹板plate

（1）热轧H型钢(1)HotrolledH-beam表示方法：H高度×宽度×腹板厚度×翼缘厚度Representation:Hheight×width×webthickness×flangethickness如：Hh×b×t1×t2bht1t2HM340×250×9×14

钢材的规格和符号（2）热轧T型钢HotrolledH-beam宽翼缘(TW)Wideflange(HW)中翼缘(TM)Middleflange(HM)窄翼缘(TN)Narrowflange(HN)分类classify表示方法：TW（TN/TM）高度×宽度×腹板厚度×翼缘厚度Representation:TW(TN/TM)Height×width×webthickness×flangethickness

（3）角钢Anglesteel等边角钢Equilateralanglesteel分类classify不等边角钢Unequalanglesteel“∟”后加“长肢宽×短肢宽×厚度”“∟”Ad