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乐从H型钢价格,H型钢Q235批发

发布时间:2019-01-14人气:8

H型钢分为4,其代号为:

等翼缘H型钢 HP (截面高度=宽度)

宽翼缘H型钢 HWWWide英文字头)

中翼缘H型钢 HMMMiddle英文字头)

窄翼缘H型钢 HN(N为Narrow英文字头)

 

 

 

工字钢 HW HM HN H型钢的区别

  工字钢翼缘是变截面靠腹板部厚,外部薄; H型钢的翼缘是等截面

  HW HM HN HH型钢的通称,H型钢是焊制; HW HM HN是热轧

  HW H型钢高度和翼缘宽度基本相等;主要用于钢筋砼框架结构柱中钢芯柱,也称劲性钢柱;在钢结构中主要用于柱

  HM H型钢高度和翼缘宽度比例大致为1.33~~1.75 主要在钢结构中:用做钢框架柱在承受动力荷载的框架结构中用做框架梁;例如:设备平台

  HN H型钢高度和翼缘宽度比例大于等于2,主要用于梁;工字钢的用用途相当于HN型钢;

  1、工字型钢不论是普通型还是轻型的,由于截面尺寸均相对较高、较窄,故对截面两个主袖的惯性矩相差较大,因此,一般仅能直接用于在其腹板平面内受弯的构件或将其组成格构式受力构件。对轴心受压构件或在垂直于腹板平面还有弯曲的构件均不宜采用,这就使其在应用范围上有着很大的局限。

  2h型钢属于高效经济裁面型材(其它还有冷弯薄壁型钢、压型钢板等),由于截面形状合理,它们能使钢材更高地发挥效能,提高承裁能力。不同于普通工字型的是h型钢的翼缘进行了加宽,且内、外表面通常是平行的,这样可便于用高强度螺桂和其他构件连接。其尺寸构成合理系列,型号齐全,便于设计选用。

  3h型钢的翼缘都是等厚度的,有轧制截面,也有由3块板焊接组成的组合截面。工字钢都是轧制截面,由于生产工艺差,翼缘内边有110坡度。H型钢的轧制不同于普通工字钢仅用一套水平轧辊,由于其翼缘较宽且无斜度(或斜度很小),故须增设一组立式轧辊同时进行辊轧,因此,其轧制工艺和设备都比普通轧机复杂。国内可生产的最大轧制h型钢高度为800mm,超过了只能是焊接组合截面。

  我国热轧H型钢国标(GB/T11263-1998)将h型钢分为窄翼缘、宽翼缘和钢桩三类,其代号分别为hz、hk和hu。窄翼缘h型钢适用于梁或压弯构件,而宽翼缘h型钢和h型钢桩则适用于轴心受压构件或压弯构件。工字钢与H型钢相比,等重量前提下,w、 ix、 iy都不如h型钢

H型钢规格
类别型号截面尺寸(mm)截面面积cm2理论重量kg/m截面特性参数
惯性矩(cm4)惯性半径(cm)截面模数(cm3)
(高度×宽度)H×Bt1t2r
IxIyixiyWxWy
HW100×100100×100681021.917.23831344.182.4776.526.7
125×125125×1256.591030.3123.88472945.293.1113647计算公式:
150×150150×1507101340.5531.916605646.393.7322175.1
175×175175×1757.5111351.4340.329009847.54.37331112
200×200200×2008121664.2850.5477016008.614.99477160
200×20412121672.2856.7503017008.354.85503167
250×250250×2509141692.1872.410800365010.86.29867292
250×255141416104.782.211500388010.56.09919304
300×300294×302121220108.38517000552012.57.141160365
300×300101520120.494.520500676013.17.491370450
300×305151520135.410621600710012.67.241440466
350×350344×348101620146115333001120015.18.781940646
350×350121920173.9137403001360015.28.842300776
400×400388×402151524179.2141492001630016.69.522540809
394×398111824187.6147564001890017.3102860951
400×400132124219.5172669002240017.510.133401120
414×405182824296.2233930003100017.710.244901530
400×408212124251.5197711002380016.89.7335601170
428×407203524361.42841190003940018.210.455801930
HM150×100148×100691327.2521.410401516.172.3514030.2
200×150194×150691639.7631.227405088.33.5728367.7
250×175244×1757111656.2444.1612098510.44.18502113
300×200294×2008122073.0357.311400160012.54.69779160
350×250340×25091420101.579.721700365014.661280292
400×300390×300101624136.710738900721016.97.262000481
450×300440×300111824157.412456100811018.97.182550541
500×300482×300111528146.411560800677020.46.82520451
488×300111828164.412971400812020.87.032930541
600×300582×300121728174.5137103000767024.36.633530511
588×300122028192.5151118000902024.86.854020601
594×302142328222.41751370001060024.96.94620701
HN175×90175×90581023.2118.2122097.67.262.0514021.7
200×100198×994.571323.5918.516101148.272.216323
200×1005.581327.5721.718801348.252.2118826.8
250×125248×124581332.8925.8356025510.42.7828741.1
250×125691337.8729.7408029410.42.7932647
300×150298×1495.581641.5532.6646044312.43.2643359.4
300×1506.591647.5337.3735050812.43.2749067.7
350×175346×174691653.1941.81120079214.53.8664991
350×1757111663.66501370098514.73.93782113
400×150400×1508131671.1255.81880073416.33.2194297.9
400×200396×1997111672.1656.720000145016.74.481010145
400×2008131684.126623700174016.84.541190174
450×150450×1509142083.4165.527100793183.081200106
450×200446×1998122084.9566.7290000158018.54.311300159
450×2009142097.4176.533700187018.64.381500187
500×200496×19991420101.379.541900184020.34.271690185
500×200101620114.289.647800214020.54.331910214
506×201111920131.310356500258020.84.432230257
600×200596×199101524121.295.169300198023.94.042330199
600×200111724135.210678200228024.14.112610228
606×201122024153.312091000272024.44.213000271
700×300692×300132028211.5166172000902028.66.534980602
700×300132428235.51852010001080029.36.785760722表面面积m2/m
800×300729×300142228243.4191254000993032.36.396400662
800×300142628267.421029200011700336.627290782
HP200×200200×20412121672.2856.7503017008.354.855031671.16
250×250244×25211111682.0564.48790294010.45.987202331.45
250×255141416104.782.211500388010.56.099193041.46
300×300294×302121220108.38517000552012.57.1311503651.74
300×300101520120.494.520500676013.17.4913704501.75
300×305151520135.410621600711012.67.2414404661.76
350×350338×351131320135.310628200938014.48.3316705352.02
344×354161620166.6131353001180014.68.4320506692.04
350×350121920173.9137403001360015.28.8423007762.04
350×357191920198.4156428001440014.78.5324508092.06
400×400388×402151524179.2141492001630016.69.5225408092.31
394×405181824215.2169599002000016.79.6330409862.33
400×400132124219.5172669002240017.510.1334011202.33
414×405182824296.2233930003100017.710.2449015302.37
400×408212124251.5197711002380016.89.73356011702.35
428×407203524361.42841190003940018.210.4558019302.4


注:1."#"表示的规格为非常规格
2."*"表示的规格,目前国内尚未生产
3.型号属于同一范围的产品,其内侧尺寸高度是一致的。
4.截面面积计算公式为"t1(H-2t2)+2Bt2+0.858r2"



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