Beams Standard


STANDARD I-BEAMS S-SHAPES  

CSA G40.21 – 50W   

ASTM A572 GR50 / A992

ImperialMetricDepth (d) InchesWidth (b) InchesThickness (t) InchesThickness (w) Inchesa in.T in.k in.Section Modulus ins.3
S3 x5.7–7.5S75 x–8–1132.33–2.510.260.17–0.3491 1/81 3/45/81.68–1.95
S4 x7.7–9.5*S100 x–11–14.1*42.66–2.80.2930.193–0.3261 1/42 5/811/163.04–3.39
S5 x10S130 x15530.3260.2141 3/83 1/23/44.92
S6 x12.5–17.25S150 x–19–2663.33–3.560.3590.232–0.4651 1/24 3/813/167.37–8.77
S8 x18.4–23S200 x–27–3484–4.170.4250.271–0.4411 7/86 1/815/1614.4–16.2
S10 x25.4–35S250 x–38–52104.66–4.940.4910.311–0.5942 1/87 7/81 1/1624.7–29.4
S12 x31.8–50.0*S310 x–47–74*125–5.480.544–0.6590.35–0.6872 3/89 5/8–9 1/41 3/16–1 3/836.4–50.8
S15 x42.9*–50.0*S380 x–64*–74*155.5–5.640.6220.411–0.552 1/212 3/81 5/1659.6–64.8
S18 x54.7*–70.00*S460 x–81.4*–104*186–6.250.6910.461–0.7112 3/415 1/81 7/1689.4–103
S20 x66.0*–96.0*S510 x–98*–143*20–20.36.26–7.20.795–0.920.505–0.82 7/8–3 1/416 3/4–16 5/81 5/8–1 13/16119–165
S24 x80.0*–121.0*S610 x–119*–180*24–24.57–8.050.87–1.090.5–0.83 1/4–3 5/820 5/81 11/16–1 15/16175–258
MetricImperialDepth mmWidth mmThickness (mean) mmWeb Thickness mma mmT mmk mmSection Modulus 103mm3
S75 x8–11S3 x–5.7–7.5176259–16416.614.3–18.928441627.4–32
S100 x11–14.1*S4 x–7.7–9.5*102168–17117.414.8–18.332681750.3–55.9
S130 x15S5 x1012717618.315.436901980.5
S150 x19–26S6 x–12.5–17.25152185–19119.115.9–11.84011120121–143
S200 x27–34S8 x–18.4–23203102–10610.816.9–11.24815524237–266
S250 x38–52S10 x–25.4–35254118–12612.517.9–15.155–56202–20126405–484
S310 x47–74*S12 x–31.8–50.0*305127–13913.8–16.718.9–17.459–61246–23529–35598–833
S380 x64*–74*S15 x–42.9*–50.0*381140–14315.810.4–146531434980–1060
S460 x81.4*–104*S18 x–54.7*–70.00*457152–15917.611.7–18.170–71383371470–1690
S510 x98*–143*S20 x–66.0*–96.0*508–516159–18320.2–23.412.8–20.373–82428–42440–461960–2710
S610 x119*–180*S24 x–80.0*–121.0*610–622178–20422.1–27.712.7–20.383–92524–52243–502890–4220

* Not available from Canadian Mills​

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