StructureCalcs

I 250x125x7.5x12.5

Standard I-Beam · JIS G 3192 · Japan

I 250x125x7.5x12.5 is a Japanese taper-flange I-beam of 38.3 kg/m — JIS G 3192 publishes its section properties (A 4,879 mm², Ix 51,800,000 mm⁴) without the full profile dimensions, and the published values are tabulated below.

JIS standard I-beams are a taper-flange legacy series; JIS G 3192 publishes their section properties without the full profile dimensions, and the published values are tabulated here.

This series publishes section properties without full profile dimensions, so the shape cannot be drawn to scale.

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Published dimensions

PropertyMetricImperial
Mass per metre38.3 kg/m25.7 lb/ft
Area, A4,879 mm²7.56 in²
Second moment, Ix51,800,000 mm⁴124.5 in⁴
Second moment, Iy3,370,000 mm⁴8.1 in⁴

Neighbouring sizes

Where these numbers come from

Published JIS G 3192 values. How StructureCalcs verifies its numbers · Understanding steel section properties · Query this section over the API