Z-Sections

Cold Formed Z-Sections

Similar to the cold formed top hat sections, Zed sections are also a popular concept for the construction industry.

Zed sections are mostly used as steel purlins for roofing, serving a similar purpose as the lip channels or lipped angles. Zed sections can be rolled from a variety of materials, including pre galvanized, black high tensile steel and high strength steel such as Domex.

Punching can also be done inline during the cold forming process, which improves the production speed of a steel structure’s roof. Z-sections can be formed with an additional lip at the end of each flange to provide additional rigidity.

Tubecon can manufacture Z-sections according to the specification from the customer, as each structure may require different sizes for this steel profile.

The table below depicts various sized cold formed Zed Sections:

Cold-formed lipped Z's dimensions and properties

Designation h*b*c*t	m	A	rv	J
mm	kg/m	10^3mm^2	mm	10^3mm^4
100x50x20x2.0	3.53	0.450	14.9	0.600
2.5	4.35	0.554	14.7	1.15
3.0	5.13	0.653	14.5	1.96
125x50x20x2.0	3.93	0.500	15.2	0.667
2.5	4.84	0.616	15.0	1.28
3.0	5.27	0.728	14.8	2.18
125x65x20x2.0	4.40	0.560	18.7	0.747
2.5	5.42	0.691	18.4	1.44
3.0	6.42	0.818	18.2	2.45
125x75x20x2.0	4.71	0.600	20.6	0.800
2.5	5.82	0.741	20.3	1.54
3.0	6.89	0.878	20.1	2.63
150x50x20x2.0	4.32	0.550	15.3	0.734
2.5	5.33	0.679	15.0	1.41
3.0	6.30	0.803	14.9	2.41
150x65x20x2.0	4.79	0.610	19.1	0.814
2.5	5.92	0.754	18.9	1.57
3.0	7.01	0.893	18.6	2.68
150x75x20x2.5	5.10	0.650	21.4	0.867
2.5	6.31	0.804	21.1	1.67
3.0	7.48	0.953	20.9	2.86
3.5	8.63	1.10	20.6	4.49
4.5	10.8	1.38	20.2	9.31
175x75x20x2.5	6.80	0.866	21.5	1.80
3.0	8.07	1.03	21.2	3.08
3.5	9.31	1.19	21.0	4.84
4.5	11.7	1.49	20.5	10.1
200x75x20x2.5	7.29	0.929	21.6	1.93
3.0	8.66	1.10	21.4	3.31
3.5	10.0	1.27	21.1	5.20
4.5	12.6	1.60	20.6	10.8
225x75x20x2.5	7.78	0.991	21.6	2.06
3.0	9.25	1.18	21.4	3.53
3.5	10.7	1.36	21.1	5.56
4.5	13.5	1.72	20.6	11.6

cold formed lipped Z's dimensions and properties (continued)

Designation h*b*c*t	I	Ze	r	I	Ze	r
mm	10^6mm^4	10^3mm^3	mm	10^6mm^4	10^3mm^3	mm
	About x-x			About y-y
100x50x20x2.0	0.705	14.1	39.6	0.307	6.26	26.1
2.5	0.854	17.1	39.3	0.366	7.50	25.7
3.0	0.991	19.8	39.0	0.418	8.62	25.3
125x50x20x2.0	1.19	19.1	48.8	0.307	6.26	24.8
2.5	1.45	23.2	48.5	0.366	7.50	24.4
3.0	1.69	27.0	48.1	0.418	8.62	24.0
125x65x20x2.0	1.42	22.7	50.3	0.608	9.49	32.9
2.5	1.73	27.7	50.0	0.731	11.5	32.5
3.0	2.02	32.3	49.7	0.843	13.3	32.1
125x75x20x2.0	1.57	25.1	51.1	0.887	12.0	38.4
2.5	1.92	30.7	50.8	1.07	14.5	38.0
3.0	2.24	35.9	50.6	1.24	16.9	37.6
150x50x20x2.0	1.83	24.5	57.7	0.307	6.26	23.6
2.5	2.23	29.8	57.4	0.366	7.50	23.2
3.0	2.61	34.8	57.0	0.418	8.62	22.8
150x65x20x2.0	2.16	28.8	59.5	0.608	9.49	31.61
2.5	2.64	35.2	59.2	0.731	11.5	31.1
3.0	3.10	41.3	58.9	0.843	13.3	30.7
150x75x20x2.0	2.38	31.8	60.5	0.887	12.0	36.9
2.5	2.91	38.8	60.2	1.07	14.5	36.5
3.0	3.42	45.6	59.9	1.24	16.9	36.1
3.5	3.90	52.0	59.6	1.40	19.1	35.7
4.5	4.79	63.9	58.9	1.67	22.9	34.8
175x75x20x2.5	4.16	47.6	69.3	1.07	14.5	35.2
3.0	4.89	55.9	69.0	1.24	16.9	34.7
3.5	5.59	63.9	68.6	1.40	19.1	34.3
4.5	6.89	78.7	68.0	1.67	22.9	33.4
200x75x20x2.5	5.68	56.8	78.2	1.07	14.5	34.0
3.0	6.69	66.9	77.9	1.24	16.9	33.5
3.5	7.65	76.5	77.5	1.40	19.1	33.1
4.5	9.45	94.5	76.8	1.67	22.9	32.3
225x75x20x2.5	7.49	6.66	86.9	1.07	14.5	32.9
3.0	8.83	78.4	86.6	1.24	16.9	32.5
3.5	10.1	89.9	86.2	1.40	19.1	32.0
4.5	12.5	111	85.4	1.67	22.9	31.2

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