鋼材的規格和標注SpecificationsandannotationsofsteelSpecificationsandannotationsofsteel鋼材的規格和符號4鋼結構構件采用的鋼材規格有哪些呢？Whatarethesteelspecificationsusedinsteelstructurecomponents?

鋼結構是以鋼板、型鋼、薄壁型鋼制成的構件或元件，通過焊接、鉚接、螺栓連接等方式而組成的結構。Steelstructureisastructurecomposedofcomponentsorcomponentsmadeofsteelplates,sectionsteel,andthin-walledsectionsteelthroughwelding,riveting,bolting,etc.

規格specification厚度mmthickness寬度mmwidth長度mlength厚鋼板Thicksteelplate4.5-60600-30004.0-12.0薄鋼板Thinsteelplate0.35-4500-15000.5-4.0扁

鋼Flatsteel3-6010-2003.0-9.0一、熱軋鋼板Hotrolledsteelplate（1）鋼板分類Classificationofsteelplates

（2）表示方法：在符號“—”后加“寬度×厚度×長度”

Representation:Add"width×thickness×length"afterthesymbol"—"—300×10×3000鋼板符號Steelplatesymbol寬wide厚thick長long1、熱軋鋼板Hotrolledsteelplate鋼板焊接成的十字形鋼Cross-shapedsteelweldedfromsteelplates

鋼板焊成的H形鋼

H-shapedsteelweldedintosteelplates

鋼板制作的檁托

Purlinsmadeofsteelplates1、熱軋鋼板Hotrolledsteelplate2.熱軋型鋼2.Hotrolledsectionsteel角鋼AngleH型鋼H-beam工字型鋼I-beam槽鋼Channelsteel圓管RoundtubeT型鋼T-beam（1）熱軋H型鋼(1)HotrolledH-beam寬翼緣(HW)

Wideflange(HW)H型鋼的翼緣寬度與H型鋼高度基本一致。TheflangewidthofH-beamsteelisbasicallythesameastheheightofH-beam

中翼緣(HM)Middleflange(HM)H型鋼的翼緣寬度大致是H型鋼高度的2/3。TheflangewidthofH-beamsteelisroughly2/3oftheheightofH-beam.窄翼緣(HN)Narrowflange(HN)翼緣寬度大于等于H型鋼高度的1/2。Theflangewidthisgreaterthanorequalto1/2oftheheightoftheH-beam分類翼

緣flange腹板plate（1）熱軋H型鋼(1)HotrolledH-beam表示方法：H高度×寬度×腹板厚度×翼緣厚度

Representation:Hheight×width×webthickness×flangethickness如：

Hh×b×t1×t2bht1t2HM340×250×9×14鋼材的規格和符號（2）熱軋T型鋼HotrolledH-beam寬翼緣(TW)Wideflange(HW)中翼緣(TM)Middleflange(HM)

窄翼緣(TN)Narrowflange(HN)分類classify表示方法：TW（TN/TM）高度×寬度×腹板厚度×翼緣厚度Representation:TW(TN/TM)Height×width×webthickness×flangethickness（3）角鋼

Anglesteel等邊角鋼Equilateralanglesteel分類classify不等邊角鋼Unequalanglesteel“∟”后加“長肢寬×短肢寬×厚度”“∟”Add"longlimbwidth×shortlimbwidth×thickness"“∟”后加‘肢長×厚度”“∟”Add

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

I-beam

1.類型

Type:

分為普通工字鋼和輕型工字鋼兩種。Itisdividedintotwotypes:ordinaryI-beamandlightI-beam.普通工字鋼的型號用符號“Ⅰ”后面加截面高度的厘米數表示，20號以上的工字鋼，又按腹板的厚度不同，分為a、b或a、b、c等類別。輕型工字鋼的表示方法同普通工字鋼。

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

Ⅰ20a

2：表示方法Representationmethod：（4）工字型鋼

I-beamH型鋼的翼緣端部和與腹板連接處呈直角。TheflangeendoftheH-beamisatrightanglestotheconnectionwiththeweb.工字型鋼

I-beamH型鋼H-beam（5）槽鋼

Channelsteel

1.類型

Type:

截面為凹槽形,分普通槽鋼和輕型槽鋼,以號數（截面高厘米數）表達型號。Thesectionisgrooved,dividedintoordinarychannelsteelandlightchannelsteel,andthemodelisexpressedbythenumber(numberofcentimetersofsectionheight).

2：表示方法Representationmethod：20a（6）圓鋼Bar（7）圓管Roundtube圓鋼Bar符號symbol：Ф

Фd圓管Roundtube符號symbol：Ф

Фd×t（8）方鋼Squaresteel（9）方管Squaretube方鋼Squaresteel符號symbol：，

b方管Squaretube符號symbol：，

b×t3.冷彎薄壁型鋼Cold-formedthin-walledsectionsteel

（1）壓型鋼板Profiledsteelplate冷彎薄壁型鋼（壁厚1.5-6mm）和壓型鋼板（壁厚0.4-1.6mm），截面形式和尺寸均可按受力特點合理設計，能充分利用鋼材的強度，達到節約鋼材的目的。在國內外輕鋼建筑結構中被廣泛應用。Cold-formedthin-walledsectionsteel(wallthickness1.5-6mm)andprofiledsteelplate(wallthickness0.4-1.6mm),thecross-sectionformandsizecanbereasonablydesignedaccordingtothecharacteristicsofforce,whichcanmakefulluseofthestrengthofsteelandachievethepurposeofsavingsteel.Itiswidelyusedinlightsteelbuildingstructuresathomeandabroad.（2）薄壁卷邊槽鋼

Thin-walledcrimpedchannelsteelbha表示方法：RepresentationBh×b×a×t3、冷彎薄壁型鋼Cold-formedthin-walledsectionsteel

3.薄壁卷邊Z型鋼Thin-walledcrimpedZ-beambha表示方法：RepresentationBh×b×a×t3、冷彎薄壁型鋼Cold-formedthin-walledsectionsteel

（3）薄壁等邊角鋼Thin-walledequal-edgeanglesteelba表示方法：RepresentationBb×t（5）薄壁槽鋼