H—高度 B—宽度 t1—腹板厚度 t2—翼缘厚度 r—圆角半径类别型号(高度×宽度)100×100125×125150×150175×175200×200250×250300×300HW(宽翼缘H型钢)截面尺寸／nmat2t1H×B(翼缘厚(腹板厚度)度)100×10068125×125150×150175×175200×200#200×204250×250250×255#294×302300×300300×305#344×348350×350#388×402#394×398400×400#400×408#414×405#428×407*458×417*498×4326.577.581291412101510121511132118203045667891O1111n121214591011121214141215151619151821212835507099111214161815181720237r1010131316161616202020202024242424242424241316162020252428282828281O截面面积理论质量(cm²)(kg／m)21.930.3140.5551.4364.2872.2892.18104.7108.3120.4135.4146173.9179.2187.6219.5251.5296.2361.4529.3770.827.2539.7656.2473.03101.5136.7157.4146.4164.4174.5192.5222.412.1617.223.831.940.350.556.772.482.285.094.510611513714114717219723328441560521.431.244.157.379.71071241151291371511759.54惯性矩(cm4)Ix3838471660290047705030108001150017000205002160033300403004920056400669007110093000119000187000298000104027406120114002170038900561006080071400103000118000137000192300×300350×350400x400150×100200×150250×175300× 200350×250HM(中翼缘H型钢)148×100194×150244×175294×200340×250390×300440×300482×300488x300582×300588×300#594×302100×50400×300450×300500×300600×300100× 50125×60150×75175×90200×100250×125300×150350×175125 x60150x 75175×90198×99200×100248×124250×125298×149300×150346×174350×175396×199400×200446×199450×200496×199500×200#506×201596×199600×200#606×201#692×300700×300*792×300*800×300*890×2996554.55.5565.56.56787898910910111011213131414151687878898991113113141214161416191517202024222623281O10101313131316161616161616202020202020202424242828282828282817.0118.1623.2123.5927.5732.8937.8741.5547.5353.1963.6671.1272.1684.1283.4184.9597.4198.23101.3114.2131.3121.2135.2153.3211.5235.5243.4267.4270.9309.836413.314.318.218.521.725.829.732.637.341.85055.856.76665.566.776.577.179.589.610395.110612016618519121021324328641767912201610188035604080646073501120013700188002000023700271002900033700385004190047800565006930078200910()0172000201000254000292000345000411000498000#400×150#400×150400×200HN(窄翼缘H型钢)#450×150#450×150450×200#500×150#500×150500×200500×200600×200700×300*800×300*900×300*900×300*912×3021834注：1．“#”表示的规格为非常用规格。 2．“*”表示的规格，目前国内尚未生产。 3．型号属同一范围的产品，其内侧尺寸高度是一致 4．截面面积计算公式为“t1(H-2t2)+2Bt2+0.858 r2。”
热轧H型钢理论重量计算公式：热轧H型钢理论重量=[h
其中 h----高度（mm），b----脚宽（mm），d----腰厚（m--边端圆角半径（mm），L-----长度（m）
表4-35 H型钢桩的尺寸规格
H—高度 B—宽度 t1—腹板厚度 t2—翼缘厚度 r—圆角半径截面尺寸／mm类别型号(高度×宽度)H×Bt1t2r截面面积理论质量／cm2／(kg/m)惯性矩／cm4
类别
(高度×宽度)H×B200×204244×252250×255294×302300×300300×305338×351344×354350×350350×357388×402394×405400×400400×408414×405428×40712×465t112114121O15131612191518132118201515t2121114121515131619191518212128352025r16161620202020202020242424242424282828／cm2／(kg/m)Ix200×200250×25072.2882.05104.7108.3120.4135.4135.3166.6173.9198.4179.2215.2219.5251.5296.2361.4260.5307332.156.764.482.28594.51061061311371561411691721972332842042412615030879011500170002050021600282003530040300428004(1200599006690071100930001190001180001470001520()o300×300350×350HP(H型钢桩)350×350400×400*500×500*502×465*502×4702025注：1．“*”表示的规格，目前国内尚未生产。 2．型号属同 一范围的产品，其内侧尺寸高度是一致 3．截面面积计算公式为“t1(H-2t2)+2Bt2+0．858 r²”。
(1)分类和代号见表4～33。
表4～33热轧H型钢和剖分T型钢的分
类和代号类 别分类名称代 号HWHMHNHPTWTMTN(1)宽翼缘H型钢1．H型钢(2)中翼缘H型钢(3)窄翼缘H型钢2．H型钢桩(1)宽翼缘剖分T型钢3．剖分T型(2)中翼缘剖分钢T型钢(3)窄翼缘剖分T型钢(2)尺寸规格见表4-34～表4～36。(3)允许偏差见表4-37～表4～40。
表4～37宽、中、窄翼缘H型钢的允许偏差 (mm)
项 目(型号)高度<400≥400～<600≥600(型号)宽度<100≥100～<200≥200<16t1厚度t2≥16～<25≥25～<40≥40<16≥16～<25≥25～<40≥40≤7长度>7m允许偏差±2.0士3．O士4.0±2.0±2.5±3.0±O．7±0.1±1.5±2.0±1.0±1.5±1.7±2.0400长度每增加1m或不足1m时，在上述正偏差基础上加5mmT≤1.0%B。但允许偏差的最小值为1.5mm高度H宽度B（型号）高度≤300翼缘斜度T（型号）高度＞300弯曲度(型号)高度≤300(型号)高度>300项目（型号）高度≤300且（型号）宽度≤200T≤1.2%B。但允许偏差的最小值为1.5mm≤长度的0.15％≤长度的0.10％允许偏差适用于上下、左右大弯曲图示±2.5中心偏差S（型号）高度＞300或型号）宽度＞200±3.5（型号）高度＜400腹板弯曲度W≤2.0W
≥400～＜600≥600≤2.5≤3.0端面斜度ee≤1.6％(H或B)但允许偏差的最小值为3．Omm表4_38 H型钢桩的允许偏差 (mm)项 目高度H(型号)高度<400士3．O允许偏差图 示(型号)高度≥400宽度B厚度t1，t2全部≤13>13长度翼缘斜度T(型号)高度>300项 目弯曲度中心偏差S(型号)高度≤300±3.0(型号)高度≤300(型号)高度>300允许偏差≤长度的0.20％≤长度的0.10％(型号)高度≤300±4.0±3．O+不规定一0.8mm+不规定一6％×(tl或t2)+不规定OT≤1.2％BT≤1.5％B图 示适用于上下、左右大弯曲(型号)高度>300±4.5e≤1.6％×(H或B)端面斜度e表4-39剖分T型钢的允许偏差 (mm)
项 目(型号)高度<200≥200～<300高度h≥300允许偏差+4．O-6．O+5．O-76—8．O图 示连接部位翼缘翘曲e一般部位B≤150B>150e≤B200且e≤1.5e≤2．Oe≤B／150注：其他部位的允许偏差，按对应规格的H型钢部位的允许偏差。表4_40 H型钢、H型钢桩和剖分T型钢的质量允许偏差
类 别质量允许偏差单根H型钢的质量偏差不超宽、中、窄翼过±6％一批交缘H型钢货质量偏差不超过±4％H型钢桩不规定单根剖分T型钢的质量偏差不超过±7％一批交货质量偏差不超过±5％剖分T型钢(4)用途常用于要求承载能力大、截面稳定性好的大型建筑(厂房、高层建筑等)以及桥梁、船舶、起动运输机械、机械基础、支架、
T11263～1998）
截面特性参数性矩(cm4)Iy13429456498416001700365038805520676071001120013600163001890022400238003100039400605009440015150898516003650721O811067708120767090201060014.9惯性半径(cm)iX4.185.296.397.58.618.351O．81O．512.513.112.615.115.216.617.317.516.817.718.218.819.76.178.31O．412.514.616.918.920.420.824.324.824.93.98iY2.473.113.734.374.994.856.296.097.147.497.248.788.849.5210.19.7310.210.410.711.12.353.574.184.696．oo7.267.186.87.036.636.856.91.11截面模数(cm³)WxWy76.513622133147750386791911601370144019402300254033403560449055808180120001402835027791280200025502520293035304020462038.526.74775.111216016729230436545046664677680995111201170153019302900437030.267.71131602924815414515415116017015.9610．O286029.349.697.611413425529444350879298573414501740793158018709071840214025801980228027209020108009930117001030012600157004.956.127.268.278.2510.410.412.412.414.514.716.316.716.818．O18.518.619.820.320.520.823.924.124.428.629.332.333．O35.736.4371.31I．652.052.22.212.782.793.263.273.863.933.214.484.543.084.314.383.044.274.334.434.044.114.216.536.786.396.626.166.396.5666.890.61401631882873264334906497829421O1O11901200130015001540169019102230233026103000498057606400729077609140109009.7513.221.72326.841.14759.467.79111397.91451741061591871211852142571992282716027226627826888431040：热轧H型钢理论重量=[hd+2r(b-d)+0.8584(2r- 2r1)]×L×0.00785脚宽（mm），d----腰厚（mm），r----内面圆角半径（mm）r1---长度（m）
寸规格
截面特性参数性矩／cm4惯性半径／cm截面模数／cm3表面面积IY1700294038805520676071109380118001360014400163002000022400238003100039400335004190043300iX8.3510.410.512.513.112.614.414.615.214.716.616.717.516.817.718.221.321.921.4iY4.855.986.097.137.497.248.338.438.848.539.529.639.7310.210.411.411.711.4Wx503720919115013701440167020502300245025403040356044905580481058606070Wy1672333043654504665356697768098099861120117015301930144018001840／(m²／m)1.161.451.461.741.751.762.022.042.042.062.312.332.332.352.372.42.772.792.81O．13340
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