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Egyptian Steel Standards - Dimensions & Specifications

Size	10mm	12mm	14mm	16mm	18mm	20mm	22mm	25mm
1 Mass per unit length (kg/m)
Nominal	0.617	0.888	1.210	1.580	2.000	2.470	2.980	3.850
min	0.580	0.835	1.150	1.501	1.900	2.347	2.831	3.696
max	0.654	0.941	1.271	1.659	2.100	2.594	3.129	4.004
2 Transverse rib (mm)
Height mm - min	0.65	0.78	0.91	1.04	1.17	1.30	1.43	1.63
Height mm - max	1.20	1.44	1.68	1.92	2.16	2.40	2.64	3.00
Width mm - min	0.80	0.96	1.12	1.28	1.44	1.60	1.76	2.00
Width mm - max	1.20	1.44	1.68	1.92	2.16	2.40	2.64	3.00
3 Longitudinal rib (mm)
Height mm - min	0.30	0.36	0.42	0.48	0.54	0.60	0.66	0.75
Height mm - max	1.20	1.44	1.68	1.92	2.16	2.40	2.64	3.00
Width mm - min	0.80	0.96	1.12	1.28	1.44	1.60	1.76	2.00
Width mm - max	2.0	2.4	2.8	3.2	3.6	4.0	4.40	5.00
4 Rib spacing,c range (mm)
Min	5	6	7	8	9	10	11	12.50
Max	8	9.6	11.2	11.8	14.4	16	17.6	20.00
5 Spacing between missing ribs
Max	2.5	3	3.5	4	4.5	5	5.5	6.25
6 Size Color	Green	Red	Without	Blue	White	Brown	Yellow	Gray
7 Transverse-rib flank inclination, α	α ≥35°

Egyptian Steel Standards