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D426*7螺旋鋼管每根重量是多少 40cr鋼管48*3一米重量

(外徑-壁厚)*壁厚*0.02466=鋼管每米重量

由此可以算出：（426-7）*7*0.0266=72.32778公斤

40cr鋼管（48*3）*3*0.02466=3.3291公斤

公稱外徑 nominal O.D mm	公稱壁厚　Nominal Wall Thickness mm
	5.0	5.5	6.0	7.0	8.0	9.0	10.0	11.0	12.0	13.0	14.0	15.0	16.0	18.0	20.0	22.0
273	33.04	36.28	39.51	45.92
323.9	39.32	43.18	47.04	54.70	62.32	69.89
(325)	39.46	43.33	47.26	54.90	62.54	70.13
355.6	43.23	47.48	51.73	60.18	68.57	76.92
(377)	45.88	50.39	54.89	63.87	72.80	81.67
406.4	49.44	54.32	59.24	68.94	78.60	88.20	97.75
(426)	51.91	57.03	62.14	72.33	82.46	92.55	102.59
457	55.73	61.24	66.73	77.69	88.58	99.43	110.23	120.98	131.60	142.34
508			74.28	86.48	98.64	110.75	122.81	134.82	146.78	158.69
(529)			77.38	90.11	102.78	115.41	127.99	140.51	152.99	165.42
(559)			81.82	95.29	108.70	122.07	135.38	148.65	161.87	175.04
610			89.37	104.09	118.76	133.39	147.96	162.48	176.96	191.39
(630)			92.33	107.54	122.71	137.82	152.89	167.91	182.88	197.80
(660)			96.77	112.72	128.63	144.48	160.29	176.05	191.76	207.42
711			104.31	121.52	138.69	155.80	172.87	189.88	206.85	223.76
(720)			105.64	123.08	140.46	157.80	175.09	192.32	209.51	226.65
(762)				130.33	148.75	167.12	185.44	203.72	221.94	240.11	258.24
813				139.13	158.81	178.44	198.02	217.55	237.03	256.46	278.88
(820)				140.34	160.19	179.99	199.75	219.45	239.10	258.71	276.26	297.77	317.23	256.01	394.58	432.96
914					178.74	200.06	222.93	244.95	266.92	288.84	310.72	332.54	354.31	397.74	440.95	483.96
(920)					179.92	202.19	224.41	246.58	268.70	290.77	312.79	334.76	356.68	400.40	443.91	486.13
1016					198.86	223.49	248.08	272.62	297.10	321.54	345.93	370.27	394.56	443.02	491.26	539.30
(1020)					199.65	224.38	249.07	273.70	298.39	322.82	347.31	371.75	396.14	44.79	493.23	541.47
1220							296.39	327.95	357.47	386.94	416.36	445.73	475.58	533.58	591.88	649.98
1420							347.71	362.21	416.66	451.06	485.41	519.71	553.96	622.36	690.52	758.49
1620							397.03	436.46	475.84	515.17	554.46	593.60	632.87	711.14	789.17	867.00
1820							446.35	490.71	535.02	579.29	623.50	667.67	711.79	799.92	887.81	975.51
2020							495.67	544.96	594.21	643.40	692.55	741.65	796.70	888.70	986.46	1084.21
2220							544.99	599.21	653.39	707.52	761.60	815.63	869.61	977.48	1085.11	1192.53
2420							594.34	635.5	712.62	771.62	830.20	889.66	948.60	1066.26	1183.75	1301.