Standard dimensions of aluminium circular hollowed sections (from serial production) are shown in the table below. Other dimensions on request.

Circular hollowed sections from aluminium are produced up to requirements of DIN 1748, ГОСТ 22233 and DIN 9107 / ГОСТ 18482 standards (the specific requirements on request).

Thermal treatment of circular hollowed sections – F16 or F22.

Nr.	D  (mm)	d  (mm)
1	10	6
2	10	6,5
3	10	7
4	12	4,4
5	12	6,3
6	13	6,5
7	14	8
8	15	11
9	16	9
10	16	12
11	17	13,4
12	18	10
13	18	11
14	18	12
15	18	15
16	20	7
17	20	9
18	20	13
19	22	14
20	22	18
21	22	19
22	22,2	12,5
23	22,7	19,7
24	24	16
25	24	17
26	24	19
27	25	6
28	26	18
29	26	19
30	26	23
31	28	17
32	30	6,7
33	31	18
34	31	27
35	33	17
36	33	20
37	38	28
38	43	39
39	45	14
40	47	43
41	48	36
42	50	6,7
43	55	8
44	60	34
45	64	20
46	72	42
47	80	70
48	120	109

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