Honey Comb beams are formed by cutting the web of a rolled section along its length in a 'wave form' and welding two pieces together to form a hexagonal openings. It is also possible to weld square or rectangular plates between the cut halves, giving an even deeper castellated beam, resulting in octagonal openings in its body

Honey Comb castellated beams have a deeper section than a comparable solid beam, which has a greater resistance to deflection. They are therefore most often used in long span applications with light or moderate loadings, particularly roofs. Since the weight of steel has not changed, the structural efficiency of the section in bending has been increased. A further advantage of castellated beams is the holes in the web which provide a route for services.

Tabel Ukuran Honey Comb JIS 3101 Standard

Sectional Index		Depth of		Width	Thickness		Weight
		Section		of
				Section
Ori	Castel	Original	Castel		Web	Flange
ginal	lated		lated
		H	DC	B	t1	t2
mm	mm	mm	mm	mm	mm	mm	Kg/m
100 x 100	150 x 100	100	150	100	6	8	16.27
150 x 75	225 x 75	150	225	75	5	7	12.78
150 x 150	225 x 150	150	225	150	7	10	29.75
200 x 100	300 x 100	200	300	100	5.5	8	19.44
200 x100	300 x 99	198	300	99	4.5	7	16.54
200 x 200	375 x125	200	300	200	8	12	47.1
250 x 125	375 x 124	250	375	125	6	9	26.98
250 x 125	375 x 250	248	375	124	5	8	23.33
250 x 250	450 x 150	250	375	250	9	14	68.32
300 x 150	450 x 149	300	450	150	6.5	9	33.55
300 x 150	450 x 300	298	450	149	5.5	8	29.17
300 x 300	450 x 300	300	450	300	10	15	88.76
350 x 175	525 x 175	350	525	175	7		45.11

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