IR – wide flange (ASTM A6 W)

Standard: ASTM A6 / IMCASource: SI values from the AISC v16.0 database

IR designation built from the metric W; cross-check with the IMCA Manual.

Designation	Masskg/m	Amm²	dmm	bfmm	twmm	tfmm	kdesmm	kdetmm	k1mm	Tmm	bf/2tf	h/tw	Ix10⁶ mm⁴	Sx10³ mm³	Zx10³ mm³	rxmm	Iy10⁶ mm⁴	Sy10³ mm³	Zy10³ mm³	rymm	J10³ mm⁴	Cw10⁹ mm⁶	rtsmm	homm