H 198x99x4.5x7

H-Section · JIS G 3192 · Japan

H 198x99x4.5x7 is a Japanese wide-flange H-section 198.0 mm deep with a 99.0 mm wide flange, weighing 17.8 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	198.0 mm	7.80 in
Flange width, bf	99.0 mm	3.90 in
Flange thickness, tf	7.0 mm	0.276 in
Web thickness, tw	4.5 mm	0.177 in
Mass per metre	17.8 kg/m	12.0 lb/ft
Area, A	2,269 mm²	3.52 in²
Second moment, Ix	15,400,000 mm⁴	37.0 in⁴
Second moment, Iy	1,130,000 mm⁴	2.7 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 198x99x4.5x7 the computed area agrees with the published value to better than 0.01% and I_x to 0.19%. Where a value is also published, the published one above is the one to quote.

Property	Value
Elastic modulus, Z_x	155,855 mm³
Elastic modulus, Z_y	22,918 mm³
Plastic modulus, Z_px	175,407 mm³
Plastic modulus, Z_py	35,457 mm³
Radius of gyration, rx	82.5 mm
Radius of gyration, ry	22.4 mm

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

Neighbouring sizes

LighterH 100x100x6x817.2 kg/m HeavierH 175x90x5x818.0 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