Steel

Grade: Q195-235 Q235 Q345
Straight welded pipe Specification:φ32-φ406
Spirally welded pipeSpecificatio:φ219-φ1620
length:6m-12m


the grade and theoretical weight of Straight welded pipe

OD	Thickness mm
/mm	1	1.2	1.4	1.5	1.6	1.8	2	2.2	2.5	2.8	3	3.2	3.5	3.8	4
	Theoretical weight of steel tube kg·m-1
32	0.764	0.91	1.56	1.13	1.2	1.34	1.48	1.62	1.82	2.02	2.15
34	0.814	0.97	1.13	1.2	1.28	1.43	1.58	1.73	1.94	2.15	2.29
37	0.888	1.06	1.23	1.31	1.4	1.56	1.73	1.89	2.13	2.36	2.52
38	0.912	1.09	1.26	1.35	1.44	1.61	1.78	1.94	2.19	2.43	2.59	2.75	2.98
40	0.962	1.15	1.33	1.42	1.52	1.7	1.87	2.05	2.31	2.57	2.74	2.9	3.15
45	1.09	1.3	1.51	1.61	1.71	1.92	2.12	2.32	2.62	2.91	3.11	3.3	3.58	3.86
46		1.33	1.54	1.65	1.75	1.96	2.17	2.38	2.68	2.98	3.18	3.38	3.68	3.95
48		1.38	1.61	1.72	1.83	2.05	2.27	2.48	2.81	3.12	3.33	3.54	3.84	4.14
50		1.44	1.68	1.79	1.91	2.14	2.37	2.59	2.93	3.26	3.48	3.69	4.01	4.33
51		1.47	1.71	1.83	1.95	2.08	2.42	2.65	2.99	3.33	3.55	3.77	4.1	4.42
53		1.53	1.78	1.9	2.03	2.27	2.52	2.76	3.11	3.47	3.7	3.93	4.27	4.61
54		1.56	1.82	1.94	2.07	2.32	2.56	2.81	3.17	3.54	3.77	4.01	4.36	4.93
60		1.74	2.02	2.16	2.3	2.58	2.86	3.14	3.54	3.95	4.22	4.48	4.88	5.27
63.5		1.84	2.14	2.29	2.44	2.74	3.03	3.33	3.76	4.19	4.48	4.76	5.18	5.59
65				2.35	2.5	2.81	3.11	3.41	3.85	4.29	4.59	4.88	5.31	5.73
70				2.37	2.7	3.03	3.35	3.68	4.16	4.64	4.96	5.27	5.74	6.2
76				2.76	2.94	3.29	3.65	4	4.43	5.03	5.45	5.74	6.26	6.77
80				2.9	3.09	3.47	3.85	4.22	4.78	5.33	5.7	6.06	6.6	7.14
83				3.01	3.21	3.6	3.99	4.38	4.96	5.54	5.92	6.3	6.86	7.42	7.79
89				3.24	3.45	3.87	4.29	4.71	5.33	5.95	6.36	6.77	7.38	7.98	8.38
95				3.46	3.69	4.14	4.59	5.03	5.7	6.37	6.81	7.24	7.9	8.55	8.98
101.6				3.7	3.95	4.43	4.91	5.39	6.11	6.82	7.29	7.76	8.47	9.16	9.63
102				3.72	3.96	4.45	4.93	5.41	6.13	6.85	7.32	7.8	8.5	9.2	9.67

OD	Thickness mm
	Theoretical weight of steel tube kg·m-1
/mm	3	3.2	3.5	3.8	4	4.2	4.5	4.8	5	5.4	5.6	6	6.5	7	8
108	7.77	8.27	9.02	9.76	10.26	10.75	11.49	12.22	12.7
114	8.21	8.74	9.54	10.33	10.85	11.37	12.15	12.93	13.44	14.46	14.97
114.3	8.23	8.77	9.56	10.35	10.88	11.4	12.18	12.96	13.48	14.5	15.01
121	8.73	9.3	10.14	10.98	1154	12.1	12.93	13.75	14.3	15.39	15.94
127	9.17	9.77	10.66	11.54	12.13	12.72	13.59	14.46	15.04	16.19	16.76	17.9
133			11.18	12.11	12.72	13.34	14.26	15.17	15.78	16.99	17.59	18.79
139.3			11.72	12.7	13.35	13.99	14.96	15.92	16.56	17.83	18.46	19.72
140			11.78	12.76	13.42	14.07	15.04	16	16.65	17.92	18.56	19.83
152			12.82	13.8	14.6	15.31	16.37	17.42	18.13	19.52	20.22	21.6
159					15.3	16	17.1	18.3	19	20.5	21.2	22.6	24.4	26.2
165.1					15.9	16.7	17.8	19	19.7	21.3	22	23.5	25.4	27.3
168.3					16.2	17	18.2	19.4	20.1	21.7	22.5	24	25.9	27.8
177.8					17.1	18	19.2	20.5	21.3	23	23.8	25.4	27.5	29.5	33.5
180					17.4	18.2	19.5	20.7	21.6	23.3	24.1	25.7	27.8	29.9	33.9
193.7					18.7	19.6	21	22.4	23.3	25.1	26	27.8	30	32.2	36.6
203							22	23.5	24.4	26.3	27.3	29.1	32.5	33.8	38.5

OD	Thickness mm
	Theoretical weight of steel tube kg·m-1
/mm	4.5	4.8	5	5.4	5.6	6	6.5	7	8	9	10	11	12	13
219	23.8	25.4	26.4	28.5	29.5	32.5	34.1	36.6	41.6	46.6
244.5	26.6	28.4	29.5	31.8	33	35.3	38.1	41	46.7	52.3
267			32.3	34.8	36.1	38.6	41.8	44.9	51.1	57.3	63.4
273			33	35.6	36.9	39.5	42.7	48.9	52.3	58.6	64.9
298.5					40.4	43.3	46.8	50.3	57.3	64.3	71.1	78
323.9					44	47	50.9	54.7	62.3	69.9	77.4	84.9
325						47.2	51.1	54.9	62.5	70.1	77.7	85.2
351						51	55.2	59.4	67.7	75.9	84.1	92.2
355.6						51.7	56	60.2	68.6	76.9	85.2	93.5	101.7
368						53.6	57.9	62.3	71	79.7	88.3	96.8	105.3
377						54.9	59.4	63.9	72.8	81.7	90.5	99.28	108
402						58.6	63.4	68.2	77.7	87.2	96.7	106.1	115.4
406.4						59.2	64.1	68.9	78.6	88.2	97.8	107.3	116.7	123.3

The grade and theoretical of Spirally welded pipe:

nominal O.D	Nominal Wall Thickness mm
mm	5	6	7	8	9	10	11	12	13	14	16	18
219	26.88	32.02	37.1	42.13
245	30.09	35.86	41.59	47.26
273	33.55	40.01	46.42	52.78	59.1	65.36
325	39.96	47.7	55.4	63.04	70.64	78.18
377	46.37	55.4	64.37	73.3	82.18	91.01
426	52.41	62.65	72.83	82.97	93.05	103.09
478	58.82	70.34	81.81	93.23	104.6	115.92
529	65.11	77.89	90.61	103.29	115.92	128.49	141.02	153.5	165.93
630		92.83	108.05	123.22	138.33	153.4	168.42	183.39	198.31
720		106.12	123.59	140.97	158.31	175.6	192.84	210.02	227.16
820		120.95	140.85	160.7	180.5	200.26	219.96	239.62	259.22
920		135.74	158.1	180.43	202.7	224.92	247.09	269.21	291.28
1020		150.54	175.36	200.16	224.89	249.58	274.22	298.81	323.34	347.82	396.66	445.29
1220				239.62	269.29	298.9	328.47	357.99	387.46	416.88	475.58	534.08
1320				259.35	291.48	323.57	355.6	387.59	419.52	451.41	515.04	578.47
1420				279.08	313.68	348.23	382.73	417.18	451.58	485.94	554.5	622.86
1520				298.81	355.87	372.89	409.86	446.77	483.64	520.46	593.95	667.25
1620				318.53	358.08	397.55	436.98	476.37	515.7	554.99	633.41	711.64
1720				338.26	380.26	422.21	464.11	505.96	547.76	589.52	672.87	756.03
1820					402.46	446.87	491.24	535.56	579.82	624.04	712.33	800.42
1920					424.65	471.53	518.37	565.15	611.88	658.57	751.79	844.81
2020					446.85	496.2	545.49	594.74	643.94	693.09	791.25	889.2
2032					449.07	499.16	548.21	598.29	647.15	697.24	795.98	894.53