ERW Steel Pipes-Round

Description: We can manufacture round steel pipes in many diameters and thickness with different materials. And they are used more frequently among all steel pipes, especially used widely in building construction, machinery manufacturing, and conveying low pressure fluid, etc.

Circular Steel Tube
Standard: GB/T3091
Material: Q195A, Q215A, Q235A
O. D.: 1/2''-24''
W. T.: 1.2-16mm
Length: 4-10m

Nominal Diameter		Outer Diameter	Wall Thickness mm
			1.2	1.5	1.75	2	2.5	3	3.5	4	5	6	8	10	12	12.5	16
Inch	mm	mm	Calculated Weight  (Kg/m)
1/2	DN15	21.3	0.59	0.73	0.84	0.95	1.16	1.35
3/4	DN20	26.8	0.76	0.94	1.08	1.22	1.5	1.76
1	DN25	33.5	1.18			1.55	1.91	2.26	2.59	2.91
1.25	DN32	42.3		1.51		1.99	2.45	2.91		3.78
1.5	DN40	48		1.72		2.27	2.81	3.33		4.34	5.3
2	DN50	60				2.86	3.55	4.22		5.52	6.78
2.5	DN65	75.5				---	4.5	5.36		7.05	8.69
3	DN80	88.5						6.33		8.34	10.3	12.21
4	DN100	114								10.85	13.44	15.98
5	DN125	140								13.42	16.65	19.83
6	DN150	165								15.88	19.73	23.53	30.97
8	DN200	219.1									26.4	31.53	41.6	51.6
10	DN250	273									33.0	39.5	52.3	64.9
12	DN300	325									39.5	47.2	62.5	77.7	92.6
14	DN350	355.6										51.7	68.6	85.2	101.7
16	DN400	406.4											78.6	97.8	116.7
18	DN450	457											88.6	110.0	131.7
20	DN500	508											98.6	123.0	146.8
24	DN600	610											118.8	148.0		184.2	234.4