RHCES Steel Section Properties & Capacity

Section Selector

Standard

Section Family

Section

Filter (size)

Yield F_yMPa (Grade 50 ≈ 345)

Lb (unbraced)m

φ_b

Notes & assumptions

Properties from published AISC v15 / EN 10365 (rounded). Verify against the official manual for design.
φM_p = φ·F_y·Z_x. Quick LTB check uses simplified L_p = 1.76·r_y·√(E/F_y).
If L_b < L_p: full plastic capacity. Otherwise: a simplified penalty is shown — do a full check per AISC 360 F2.
Metric UB/UC list is curated common sizes from BS EN 10365.

Designation—

Mass / Length—

Area A—

Depth d—

I_x—

I_y—

S_x—

S_y—

Z_x—

Z_y—

r_x—

r_y—

φM_p (plastic)—

φM_n (with L_b)—

L_p (limit)—