H 588x300x12x20

H-Section · JIS G 3192 · Japan

H 588x300x12x20 is a Japanese wide-flange H-section 588.0 mm deep with a 300.0 mm wide flange, weighing 147.0 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	588.0 mm	23.15 in
Flange width, bf	300.0 mm	11.81 in
Flange thickness, tf	20.0 mm	0.787 in
Web thickness, tw	12.0 mm	0.472 in
Mass per metre	147.0 kg/m	98.8 lb/ft
Area, A	18,720 mm²	29.02 in²
Second moment, Ix	1,140,000,000 mm⁴	2,738.9 in⁴
Second moment, Iy	90,100,000 mm⁴	216.5 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 588x300x12x20 the computed area agrees with the published value to 0.01% and I_x to 0.31%. Where a value is also published, the published one above is the one to quote.

Property	Value
Elastic modulus, Z_x	3,889,460 mm³
Elastic modulus, Z_y	600,608 mm³
Plastic modulus, Z_px	4,348,240 mm³
Plastic modulus, Z_py	921,020 mm³
Radius of gyration, rx	247.1 mm
Radius of gyration, ry	69.4 mm

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

Neighbouring sizes

LighterH 394x398x11x18147.0 kg/m HeavierH 692x300x13x20163.0 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