I Beam Dimensions


This page provides a structured I beam dimensions chart covering commonly used sizes for construction, fabrication, and structural applications. You can review standard I beam dimensions in mm, including section height, flange width, web thickness, flange thickness, and reference weight data. 


For full product details, grade options, and export supply capability, please refer to our steel I beam product page or contact our team for quotation support. 

I Beam Dimensions and Size Chart

  • Standard I Beam Dimensions Overview


I beams are widely used in structural frameworks, machinery bases, bridges, and support systems where strength-to-weight efficiency is required. In procurement and engineering stages, buyers often need quick access to dimension data before moving forward with commercial discussions. Therefore, this page focuses on I beam size chart and specification reference rather than detailed product introduction.


If you are looking for material grades, production range, surface condition, or export packaging details, you can check our steel I beam supply page for complete information.




  • I Beam Dimensions Chart


DesignationHeight (mm)Flange Width (mm)Web Thickness (mm)Length (m)
100 × 68100684.56-9
120 × 741207456-9
140 × 80140805.56-9
160 × 881608866-12
180 × 94180946.56-12
200 × 10020010079-12
200 × 10220010299-12
220 × 1102201107.59-12
220 × 1122201129.59-12
250 × 11625011689-12
250 × 118250118109-12
280 × 1222801228.59-12
280 × 12428012410.59-12
300 × 126300126912
300 × 1283001281112
300 × 1303001301312
300 × 13430013496-12
320 × 1303201309.512
320 × 13432013413.512
360 × 1363601361012
400 × 14240014210.512
450 × 15045015011.512
500 × 1585001581212
550 × 16655016612.512
560 × 166560
16612.512



  • IPE Beams Sizes, and Mechanical Properties


DesignationHeight (mm)

Breadth(mm)

Flange Width (mm)Web Thickness (mm)
IPE 8080463.85.2
IPEA 8078463.34.2
IPEAA 8078463.24.2
IPEAAA 80784634
IPEAAAA 8076463.93.1
IPE 100100554.15.7
IPEA 10098553.64.7
IPEAA 10097.6553.64.5
IPEAAA 10097553.44.3
IPEAAAA 10096552.93.6
IPE 120120644.46.3
IPEA 120117.6643.85.1
IPEAA 120117
643.84.8
IPEAAA 120117643.54.6
IPEAAAA 1201156433.9
IPE 140140734.76.9
IPEA 140137.4733.85.6
IPEAA 140136.6733.55.2
IPEAAA 140136733.55
IPEAAAA 140134733.34.1
IPE 1601608257.1
IPEA 160157
8245.9
IPEAA 160156.48245.6
IPEAAA 160156823.75.4
IPEAAAA 160154823.64.3
IPE 180180915.38
IPEA 180177914.36.5
IPEAA 180176.4914.36.2
IPE 2002001005.68.5
IPEA 2001971004.57
IPEAA 200196.41004.56.7
IPEAAA 2001961004.16.5
IPEAAAA 2001931004.15.2
IPE 2202201105.99.2
IPEAA 220216.41104.77.4
IPE 2402401206.29.8
IPE 270
2701356.610.2
IPE 3003001507.110.7
IPE 3303301607.511.5
IPE 360360170812.7
IPE 4004001808.613.5
IPE 4504501909.414.6
IPE 50050020010.216
IPE 550
550210

11.1

17.2



  • IPN Beams Sizes, and Mechanical Properties


DesignationHeight (mm)Breadth(mm)Flange Width (mm)Web Thickness (mm)
IPN 8080423.95.9
IPN 100100504.56.8
IPN 120120585.17.7
IPN 140140665.78.6
IPN 160160746.39.5
IPN 180180826.910.4
IPN 200200907.511.3
IPN 220220988.112.2
IPN 2402401068.713.1
IPN 2602601139.414.1
IPN 28028011910.115.2
IPN 30030012510.816.2
IPN 32032013111.517.3
IPN 34034013712.218.3
IPN 3603601431319.5
IPN 380
38014913.720.5
IPN 40040015514.4
21.6
IPN 45045017016.224.3
IPN 5005001851827
IPN 5505502001930
IPN 60060021521.632.4



Notes:


The table above provides general I beam dimension reference for layout and structure demonstration. Actual sizes, tolerance, and weight should be verified according to applicable standards and mill production range.


If you require exact stock availability or project-based supply, please submit your required dimensions through our I beam quotation page for confirmation.




  • How to Read I Beam Dimensions


I beam dimensions are typically defined by section height and flange width, with additional parameters such as web thickness and flange thickness used for engineering and procurement decisions. Compared with H beams, I beams usually have narrower flanges and are commonly used in lighter structural applications.



A standard I beam size chart usually includes:


  • Section height

  • Flange width

  • Web thickness

  • Flange thickness

  • Theoretical weight

  • Length range

  • Applicable standard


For structural comparison, you may also review the difference between I beam and H beam dimensions in our beam comparison guide to better understand selection criteria.




  • Standards and Specification Notes


I beam dimensions may vary depending on different standard systems and regional designation methods. In global steel trade, size references may follow different standards depending on project requirements and destination markets.



When reviewing I beam specifications, it is important to confirm:


  • Whether the dimensions are metric or imperial

  • Whether the designation belongs to a specific standard system

  • Whether required length is standard or custom cut

  • Whether the size is within actual mill rolling range

  • Whether weight and tolerance meet project specifications


For commercial supply, buyers are advised to confirm dimensions together with grade, quantity, and destination to ensure accurate quotation from a reliable I beam supplier.


FAQ About I Beam Dimensions

Q1:  What are standard I beam dimensions?
A1:  Standard I beam dimensions include section height, flange width, web thickness, flange thickness, and weight per meter. Exact values depend on the applicable standard.


Q2:  What is included in an I beam size chart?
A2:  An I beam size chart typically includes designation, section size, thickness details, and theoretical weight for reference.


Q3:  Are all I beam sizes available in stock?

A3:  Not necessarily. Availability depends on mill production, grade, and inventory. It is recommended to confirm with a supplier before ordering.


Q4:  Can I beams be customized in length?
A4:  Yes, many I beams can be supplied in standard lengths or cut to required sizes depending on order quantity and processing capability.


Q5:  What is the difference between an I beam dimension page and a steel I beam product page?
A5:  This page focuses on dimension reference and size comparison, while a product page provides detailed information such as grade, application, supply capability, and pricing support.


Q6:  How to choose the correct I beam size?
A6:  The correct size depends on structural load, span, and engineering requirements. Buyers should confirm specifications along with grade and quantity.




Send Us Your Required I Beam Dimensions



Looking for a quotation based on specific I beam dimensions? You can send us your required size, grade, length, quantity, and destination port. Our team supports standard sizes, custom cutting, and export shipment arrangements.


For faster response, please include your dimension details and project requirements when submitting an inquiry through our I beam contact page.


I Beam Dimensions



muchang@tjmcsteel.com
+86 22 2433 5512