H 298x149x5.5x8

H-Section · JIS G 3192 · Japan

H 298x149x5.5x8 is a Japanese wide-flange H-section 298.0 mm deep with a 149.0 mm wide flange, weighing 32.0 kg/m. The dimensions below are the published JIS G 3192 values; the drawing is generated from them.

JIS H-sections are the Japanese wide-flange family of JIS G 3192, covering beam and column proportions in one series.

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Published dimensions

Property	Metric	Imperial
Depth, d	298.0 mm	11.73 in
Flange width, bf	149.0 mm	5.87 in
Flange thickness, tf	8.0 mm	0.315 in
Web thickness, tw	5.5 mm	0.217 in
Mass per metre	32.0 kg/m	21.5 lb/ft
Area, A	4,080 mm²	6.32 in²
Second moment, Ix	63,200,000 mm⁴	151.8 in⁴
Second moment, Iy	4,420,000 mm⁴	10.6 in⁴

Derived section properties

Integrated from the section's own outline including the root and toe radii, whose arcs are integrated analytically rather than approximated by facets. For H 298x149x5.5x8 the computed area agrees with the published value to better than 0.01% and I_x to 0.03%. Where a value is also published, the published one above is the one to quote.

Property	Value
Elastic modulus, Z_x	424,042 mm³
Elastic modulus, Z_y	59,329 mm³
Plastic modulus, Z_px	475,059 mm³
Plastic modulus, Z_py	91,757 mm³
Radius of gyration, rx	124.4 mm
Radius of gyration, ry	32.9 mm

Z is the elastic modulus and Z_p the plastic modulus, following Japanese practice.

Neighbouring sizes

LighterH 150x150x7x1031.1 kg/m HeavierH 300x150x6.5x936.7 kg/m

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