钢材的规格和标注Specificationsandanno

钢材的规格和标注SpecificationsandannotationsofsteelSpecificationsandannotationsofsteel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:Add"width×thickness×length"afterthesymbol"—"—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Hotrolledsteelplate2.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”“∟”Add"longlimbwidth×shortlimbwidth×thickness"“∟”后加‘肢长×厚度”“∟”Add

longlimbwidth×shortlimbwidth如as：“∟100×80×10（4）工字型钢

I-beam

1.类型

Type:

分为普通工字钢和轻型工字钢两种。Itisdividedintotwotypes:ordinaryI-beamandlightI-beam.普通工字钢的型号用符号“Ⅰ”后面加截面高度的厘米数表示，20号以上的工字钢，又按腹板的厚度不同，分为a、b或a、b、c等类别。轻型工字钢的表示方法同普通工字钢。

ThemodelofordinaryI-beamisindicatedbythenumberofcentimetersofcross-sectionalheightafterthesymbol"I.",andtheI-beamaboveNo.20isdividedintoA,BorA,B,Candothercategoriesaccordingtothethicknessoftheweb.TherepresentationmethodoflightI-beamisthesameasthatofordinaryI-beam.

Ⅰ20a

2：表示方法Representationmethod：（4）工字型钢

I-beamH型钢的翼缘端部和与腹板连接处呈直角。TheflangeendoftheH-beamisatrightanglestotheconnectionwiththeweb.工字型钢

I-beamH型钢H-beam（5）槽钢

Channelsteel

1.类型

Type:

截面为凹槽形,分普通槽钢和轻型槽钢,以号数（截面高厘米数）表达型号。Thesectionisgrooved,dividedintoordinarychannelsteelandlightchannelsteel,andthemodelisexpressedbythenumber(numberofcentimetersofsectionheight).

2：表示方法Representationmethod：20a（6）圆钢Bar（7）圆管Roundtube圆钢Bar符号symbol：Ф

Фd圆管Roundtube符号symbol：Ф

Фd×t（8）方钢Squaresteel（9）方管Squaretube方钢Squaresteel符号symbol：，

b方管Squaretube符号symbol：，

b×t3.冷弯薄壁型钢Cold-formedthin-walledsectionsteel

（1）压型钢板Profiledsteelplate冷弯薄壁型钢（壁厚1.5-6mm）和压型钢板（壁厚0.4-1.6mm），截面形式和尺寸均可按受力特点合理设计，能充分利用钢材的强度，达到节约钢材的目的。在国内外轻钢建筑结构中被广泛应用。Cold-formedthin-walledsectionsteel(wallthickness1.5-6mm)andprofiledsteelplate(wallthickness0.4-1.6mm),thecross-sectionformandsizecanbereasonablydesignedaccordingtothecharacteristicsofforce,whichcanmakefulluseofthestrengthofsteelandachievethepurposeofsavingsteel.Itiswidelyusedinlightsteelbuildingstructuresathomeandabroad.（2）薄壁卷边槽钢

Thin-walledcrimpedchannelsteelbha表示方法：RepresentationBh×b×a×t3、冷弯薄壁型钢Cold-formedthin-walledsectionsteel

3.薄壁卷边Z型钢Thin-walledcrimpedZ-beambha表示方法：RepresentationBh×b×a×t3、冷弯薄壁型钢Cold-formedthin-walledsectionsteel

（3）薄壁等边角钢Thin-walledequal-edgeanglesteelba表示方法：RepresentationBb×t（5）薄壁槽钢