M10X9 Steel Miscellaneous beam — Section Properties

Dimensions

Property Value Unit
Depth (d) 10 254.0 mm
Flange Width (bf) 2.69 6.83 cm
Flange Thickness (tf) 0.206 5.2 mm
Web Thickness (tw) 0.157 4.0 mm
Area (A) 2.65 in² 17.1 cm²
Weight 9 lb/ft 13.4 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 39 0.672 in⁴
Elastic Section Modulus (S) 7.79 0.5 in³
Plastic Section Modulus (Z) 9.22 0.809 in³
Radius of Gyration (r) 3.83 0.503 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 0.031 in⁴
Warping Constant (Cw) 16.1 in⁶
Distance Between Flange Centroids (ho) 9.79 in
Effective Radius (rts) 0.65 in

Design Resources

Frequently Asked Questions

What is the weight of a M10X9 beam? 9 lb/ft (13.4 kg/m).

What is the section modulus of M10X9? Sx = 7.79 in³, Zx = 9.22 in³ (strong axis). Sy = 0.5 in³, Zy = 0.809 in³ (weak axis).

What steel grade is standard for M10X9? ASTM A36 (Fy = 36 ksi) for M-shapes. Verify with mill certificate.

What is the moment of inertia of M10X9? Ix = 39 in⁴ about the strong axis and Iy = 0.672 in⁴ about the weak axis. The radius of gyration is rx = 3.83 in and ry = 0.503 in.

Related Pages


Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.