正方形 规格表

Square Specifications — 195个尺寸
KS D 3568JIS G 3466ASTM A500

KSSquare

59 sizes
NominalWidthHeighttWeightMaterial
□20×2020201.20.679SRT275
□20×2020201.60.873SRT275
□25×2525251.20.868SRT275
□25×2525251.61.12SRT275
□30×3030301.21.06SRT275
□30×3030301.61.38SRT275
□40×4040401.61.88SRT275
□40×4040402.32.62SRT275
□50×5050501.62.38SRT275
□50×5050502.33.34SRT275
□50×5050503.24.5SRT275
□60×6060601.62.88SRT275
□60×6060602.34.06SRT275
□60×6060603.25.5SRT275
□75×7575751.63.64SRT275
□75×7575752.35.14SRT275
□75×7575753.27.01SRT275
□75×7575754.59.55SRT275
□80×8080802.35.5SRT275
□80×8080803.27.51SRT275
□80×8080804.510.3SRT275
□90×9090902.36.23SRT275
□90×9090903.28.51SRT275
□100×1001001002.36.95SRT275
□100×1001001003.29.52SRT275
□100×100100100411.7SRT275
□100×1001001004.513.1SRT275
□100×100100100617SRT275
□100×100100100924.1SRT275
□100×1001001001230.2SRT275
□125×1251251253.212SRT275
□125×1251251254.516.6SRT275
□125×125125125518.3SRT275
□125×125125125621.7SRT275
□125×125125125931.1SRT275
□125×1251251251239.7SRT275
□150×1501501504.520.1SRT275
□150×150150150522.3SRT275
□150×150150150626.4SRT275
□150×150150150938.2SRT275
□175×1751751754.523.7SRT275
□175×175175175526.2SRT275
□175×175175175631.1SRT275
□200×2002002004.527.2SRT275
□200×200200200635.8SRT275
□200×200200200846.9SRT275
□200×200200200952.3SRT275
□200×2002002001267.9SRT275
□250×250250250538SRT275
□250×250250250645.2SRT275
□250×250250250859.5SRT275
□250×250250250966.5SRT275
□250×2502502501286.8SRT275
□300×3003003004.541.3SRT275
□300×300300300654.7SRT275
□300×300300300980.6SRT275
□300×30030030012106SRT275
□350×350350350994.7SRT275
□350×35035035012124SRT275

正方形截面方管,用于立柱、框架和支撑结构。

实务注意事项

  • 用于需要四面等强度的柱、腿和支撑结构。均匀抵抗扭转。
  • 注意焊接残余应力引起的变形。交替两侧焊接可最小化变形。

选型指南

用于需要四面等强度的立柱、支腿和支撑结构。直角焊接方便,抗扭均匀。一般框架:t2.3–3.2mm;重载:t4.5–6.0mm。

主要特点

  • KS D 3568 (SPSR) 标准,边长范围□12–□400 mm
  • 四面等截面系数,均匀抵抗多轴载荷和扭转
  • 焊接组装时直角对接方便,切割面可直接作为接合面

主要应用领域

建筑柱/立柱、机械框架、护栏、标牌支柱、家具结构

常见问题

方管壁厚如何选择?

一般框架:t2.3-3.2mm;重载:t4.5-6.0mm。正规做法是通过结构计算确定所需截面积和截面模量。

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