An Overview of ASTM A501 Hot Formed Welded And Seamless Carbon Steel Structural Tubing from China manufacturer

Element	Composition,%
	Grade A		Grade B
	Heat Analysis	Product Analysis	Heat Analysis	Product Analysis
C	0.26	0.30	0.22	0.26
Mn	...	...	1.40	1.45
P	0.035	0.045	0.030	0.040
S	0.035	0.045	0.020	0.030
Cu	0.20	0.18	0.20	0.18

Mechanical	Round Structural Tubing
Mechanical	Grade A	Grade B
Tensile Strength,ksi[MPa]	58[400]	70[483]
Yield Strength,ksi[MPa]	36[250]	50[345]
Elongation,%	23	23

Square Structural Tubing
Outside Dimensions		Weight		Wall Thickness
in	mm	lb/ft	kg/m	in	mm
1*1	25*25	1.09	1.6	0.095	2.4
1*1	25*25	1.41	2.1	0.133	3.4
2*2	50*50	2.69	4	0.11	2.8
		3.04	4.5	0.125	3.2
		3.65	5.4	0.154	4.0
		4.31	6.41	0.188	4.8
2.5*2.5	65*65	4.32	6.4	0.141	3.6
		5.59	8.3	0.188	4.8
		7.10	10.6	0.250	6.4
3*3	75*75	5.78	8.6	0.156	4.0
		6.88	10.2	0.188	4.8
		8.80	13.1	0.250	6.4
3.5*3.5	90*90	6.88	10.2	0.156	4.0
		8.14	12.1	0.188	4.8
		10.5	15.6	0.25	6.4
		12.69	18.9	0.312	7.9
4*4	100*100	9.31	13.9	0.188	4.8
		12.02	17.9	0.25	6.4
		14.52	21.6	0.312	7.9
		16.84	25.1	0.375	9.5
		20.88	31.1	0.5	12.7
5*5	130*130	11.86	17.7	0.188	4.8
		15.42	22.9	0.25	6.4
		18.77	27.9	0.312	7.9
		21.94	32.7	0.375	9.5
		27.68	41.2	0.5	12.7
6*6	150*150	14.41	21.4	0.188	4.8
		18.82	28	0.25	6.4
		23.02	34.3	0.312	7.9
		27.04	40.3	0.375	9.5
		34.48	51.3	0.5	12.7
7*7	175*175	16.85	25.1	0.188	4.8
		22.04	32.8	0.25	6.4
		26.99	39.2	0.312	7.9
		31.73	47.2	0.375	9.5
		40.55	60.3	0.5	12.7
8*8	200*200	25.44	37.9	0.25	6.4
		31.24	46.5	0.312	7.9
		36.83	54.8	0.375	9.5
		47.35	70.5	0.5	12.7
		56.98	84.9	0.625	15.9/16
		65.73	97.8	0.75	19.1
10*10	250*250	32.23	48	0.25	6.4
		39.74	59.1	0.312	7.9
		47.03	70	0.375	9.5
		60.95	90.7	0.5	12.7
		73.98	110.1	0.625	15.9
		86.13	128.2	0.75	19.1
		107.79	160.4	1	25.4
12*12	300*300	76.39	113.7	0.5	12.7
		94.51	140.6	0.63	16
		110.61	164.6	0.75	19.1
14*14	355*355	90.01	133.9	0.5	12.7
		111.66	166.1	0.63	16
		131.04	195.0	0.75	19.1
		140.49	209.0	0.81	20.6
		145.4	216.4	0.87	22
		162.18	241.3	0.98	25
16*16	405*405	103.62	154.2	0.50	12.7
		128.81	191.7	0.63	16
		162.52	241.8	0.81	20.6
		168.99	251.4	0.87	22
		188.98	281.2	0.98	25
		208.24	309.8	1.1	28
18*18	460*460	267.09	397.4	1.26	32
		294.62	438.4	1.42	36
		320.84	477.4	1.57	40
20*20	510*510	130.85	194.7	0.5	12.7
		163.12	242.7	0.63	16
		192.31	286.1	0.75	19.1
		206.66	307.49	0.81	20.57
		214.68	319.4	0.87	22
		240.67	358.1	0.98	25
		265.88	395.6	1.10	28
		298.26	443.8	1.26	32
		329.25	489.9	1.42	36
		358.83	533.9	1.57	40
		393.84	586.0	1.77	45
		426.66	634.8	1.97	50
22*22	560*560	177.48	264.1	0.63	16
		208.27	309.9	0.75	19
		238.27	254.5	0.87	22
		267.48	398.0	0.98	25
		295.9	440.3	1.10	28
		332.57	494.8	1.26	32
		367.84	547.3	1.42	36
		401.71	597.7	1.57	40
		442.08	657.8	1.77	45
		480.27	714.6	1.97	50
		516.26	768.1	2.17	55
24*24	610*610	194.64	289.6	0.63	16
		228.64	340.2	0.75	19
		261.85	389.6	0.87	22
		294.28	437.9	0.98	25
		325.92	484.9	1.10	28
		366.87	545.9	1.26	32
		406.43	604.7	1.42	36
		444.59	661.5	1.57	40
		490.32	729.6	1.77	45
		533.87	794.3	1.97	50
		575.22	855.9	2.17	55
		614.39	914.2	2.36	60
26*26	660*660	211.79	315.1	0.63	16
		249.01	370.5	0.75	19
		285.44	424.7	0.87	22
		321.08	477.7	0.98	25
		355.93	529.6	1.10	28
		401.18	596.9	1.26	32
		445.03	662.2	1.42	36
		487.48	725.3	1.57	40
		538.57	801.3	1.77	45
		587.47	874.1	1.97	50
		634.19	943.6	2.17	55
		678.72	1009.9	2.36	60
28*28	710*710	228.94	340.6	0.63	16
		269.38	400.8	0.75	19
		309.02	459.8	0.87	22
		347.88	517.6	0.98	25
		385.95	574.3	1.10	28
		435.49	648	1.26	32
		483.62	719.6	1.42	36
		530.36	789.1	1.57	40
		586.81	873.1	1.77	45
		641.07	953.9	1.97	50
		693.15	1031.3	2.17	55
		743.04	1105.6	2.36	60
30*30	760*760	246.1	366.2	0.63	16
		289.75	431.1	0.75	19
		332.61	494.9	0.87	22
		374.68	557.5	0.98	25
		415.97	618.9	1.10	28
		469.79	699.0	1.26	32
		522.22	777.0	1.42	36
		573.24	852.9	1.57	40
		635.05	944.9	1.77	45
		694.68	1033.6	1.97	50
		752.12	1119.1	2.17	55
		807.36	1201.3	2.36	60

Square Structural Tubing
Outside Dimensions		Weight		Wall Thickness
in	mm	lb/ft	kg/m	in	mm
3*2	75*50	4.32	6.4	0.141	3.58
		5.59	8.3	0.188	4.78
		7.1	10.6	0.25	6.35
4*2	100*50	5.78	8.6	0.156	3.96
		6.86	10.2	0.188	4.78
		8.8	13.1	0.25	6.35
4*3	100*75	6.88	10.2	0.156	3.96
		8.14	12.1	0.188	4.78
		10.5	15.6	0.25	6.35
		12.69	18.9	0.312	7.92
5*3	130*75	9.31	13.9	0.188	4.78
		12.02	17.9	0.25	6.35
		14.52	21.6	0.312	7.92
		16.84	25.1	0.375	9.52
6*3	150*75	10.58	15.7	0.188	4.78
		13.72	20.4	0.25	6.35
		16.65	24.8	0.312	7.92
		19.39	28.9	0.375	9.52
6*4	150*100	11.86	17.7	0.188	4.78
		15.42	22.9	0.25	6.35
		18.77	27.9	0.312	7.92
		21.94	32.7	0.375	9.52
		27.68	41.2	0.5	12.7
7*5	180*130	14.41	21.4	0.188	4.78
		18.82	28	0.25	6.35
		23.02	34.3	0.312	7.92
		27.04	40.3	0.375	9.52
		34.48	51.3	0.5	12.7
8*4	200*100	14.41	21.4	0.188	4.78
		18.82	28	0.25	6.35
		23.02	34.3	0.312	7.92
		27.04	40.3	0.375	9.52
		34.48	51.3	0.5	12.7
8*6	200*150	16.85	25.1	0.188	4.78
		22.04	32.8	0.25	6.35
		26.99	39.2	0.312	7.92
		31.73	47.2	0.375	9.52
		40.55	60.3	0.5	12.7
10*4	250*100	42.35	63	0.5	12.7
10*4	250*100	51.62	76.8	0.63	16
10*6	250*150	25.44	37.9	25	6.35
		31.24	46.5	0.312	7.92
		47.35	70.5	0.5	12.7
		60.2	89.6	0.63	16
12*8	300*200	62.78	93.4	0.5	12.7
12*8	300*200	77.35	115.1	0.63	16
16*8	410*200	76.39	113.7	0.5	12.7
16*8	410*200	94.51	140.6	0.63	16
18*10	160*250	90.01	133.9	0.5	12.7
18*10	160*250	111.66	166.1	0.63	16
20*12	510*300	103.62	154.2	0.5	12.7
20*12	510*300	128.81	191.7	0.63	16
22*14	550*350	107.66	160.2	0.47	12
		140.75	209.4	0.63	16
		164.64	245	0.75	19
		187.75	279.4	0.87	22
		210.07	312.6	0.98	25
		231.61	344.6	1.10	28
24*16	600*400	120.32	179	0.47	12
		157.63	234.5	0.63	16
		184.69	274.8	0.75	19
		210.97	313.9	0.87	22
		236.45	351.8	0.98	25
		261.15	388.6	1.10	28
		292.86	435.8	1.26	32
		323.17	480.8	1.42	36
		352.08	523.9	1.57	40
26*18	650*40	174.51	259.7	0.63	16
		204.74	304.6	0.75	19
		234.18	348.4	0.87	22
		262.83	391.1	0.98	25
		290.70	432.5	1.10	28
		326.63	486	1.26	32
		361.15	537.4	1.42	36
		394.28	586.7	1.57	40
30*20	750*500	199.84	297.3	0.63	16
		234.81	349.4	0.75	19
		269	400.3	0.87	22
		302.4	449.9	0.98	25
		335.02	498.5	1.10	28
		377.27	561.4	1.26	32
		418.13	622.1	1.42	36
		457.59	680.9	1.57	40

NPS	DN	Round Structural Tubing
		Outside Dimensions		Weight		Wall Thickness
		in	mm	lb/ft	kg/m	in	mm
1/2	15	0.84	21.3	0.85	1.3	0.109	2.77
1/2	15	0.84	21.3	1.09	1.6	0.147	3.73
3/4	20	1.05	26.7	1.13	1.7	0.113	2.87
3/4	20	1.05	26.7	1.47	2.2	0.154	3.91
1	25	1.315	33.4	1.34	2.0	0.104	2.64
		1.315	33.4	1.68	2.5	0.133	3.38
		1.315	33.4	2.17	3.2	0.179	4.55
1 1/4	32	1.66	42.2	1.82	2.7	0.11	2.79
		1.66	42.2	2.27	3.4	0.14	3.56
		1.66	42.2	3	4.5	0.191	4.85
1 1/2	40	1.9	48.3	2.17	3.3	0.114	2.9
		1.9	48.3	2.72	4.1	0.145	3.68
		1.9	48.3	3.63	5.4	0.2	5.08
2	50	2.375	60.3	2.91	4.3	0.121	3.07
		2.375	60.3	3.65	5.4	0.154	3.91
		2.375	60.3	5.02	7.5	0.218	5.54
2 1/2	65	2.875	73	4.53	6.37	0.156	3.96
		2.875	73	5.4	8	0.188	4.78
		2.875	73	5.79	8.6	0.203	5.16
		2.875	73	7.66	11.4	0.276	7.01
3	80	3.5	88.9	5.57	8.3	0.156	3.96
		3.5	88.9	6.65	9.9	0.188	4.78
		3.5	88.9	7.58	11.3	0.216	5.49
		3.5	88.9	10.25	15.3	0.3	7.62
3 1/2	90	4	101.6	6.4	9.5	0.156	3.96
		4	101.6	7.65	11.41	0.188	4.78
		4	101.6	9.11	13.57	0.226	5.74
		4	101.6	12.5	18.63	0.318	8.08
4	100	4.5	114.3	7.24	10.78	0.156	3.96
		4.5	114.3	8.66	12.91	0.188	4.78
		4.5	114.3	10.01	14.91	0.219	5.56
		4.5	114.3	10.79	16.07	0.237	6.02
		4.5	114.3	14.98	22.32	0.337	8.56
5	125	5.563	141.3	14.62	21.77	0.258	6.55
		5.563	141.3	20.78	30.97	0.375	9.53
		5.563	141.3	38.55	57.43	0.75	19.05
6	150	6.625	168.3	18.97	28.26	0.28	7.11
		6.625	168.3	28.57	42.56	0.432	10.97
		6.625	168.3	53.16	79.22	0.864	21.95
8	200	8.625	219.1	28.55	42.55	0.322	8.18
		8.625	219.1	43.39	64.64	0.5	12.7
		8.625	219.1	72.42	107.92	0.875	22.23
10	250	10.75	273	40.48	60.31	0.365	9.27
		10.75	273	54.74	81.55	0.5	12.7
		10.75	273	104.13	155.15	1	25.4
12	300	12.75	323.8	49.56	73.88	0.375	9.53
		12.75	323.8	65.42	97.46	0.5	12.7
		12.75	323.8	125.49	186.97	1	25.4
14	350	14	355.6	54.57	81.33	0.375	9.53
14	350	14	355.6	72.09	107.39	0.5	12.7
16	400	16	406.4	62.58	93.27	0.375	9.53
16	400	16	406.4	82.77	123.3	0.5	12.7
18	450	18	457.2	70.59	105.16	0.375	9.53
18	450	18	457.2	93.45	139.15	0.5	12.7
20	500	20	508	78.60	117.15	0.375	9.53
20	500	20	508	104.13	155.12	0.5	12.7
24	600	24	609.6	94.62	141.12	0.375	9.53
24	600	24	609.6	125.49	187.06	0.5	12.7

ASTM A501 Hot Formed Welded and Seamless Carbon Steel Structural Tubing is a high-performance steel tube, specifically designed for a wide range of structural applications. Its unique combination of mechanical properties, corrosion resistance, and manufacturing flexibility makes it an ideal choice for various industries and applications.

One of the most common applications of ASTM A501 tubing is in the construction industry. It is used as a structural support in buildings, bridges, and other large-scale structures. The high strength and durability of the steel tube allow it to withstand the loads and stresses imposed by these structures, ensuring their longevity and stability.

In the automotive industry, ASTM A501 tubing is used in a variety of components, such as frames, suspension systems, and braking systems. The steel tube's corrosion resistance and ability to withstand high temperatures make it suitable for use in these demanding applications.

The oil and gas industry also benefits from the use of ASTM A501 tubing. It is commonly used in pipelines, risers, and other components that require high strength and durability in corrosive environments. The steel tube's resistance to corrosion ensures its longevity and reliability in these critical applications.

Other industries that utilize ASTM A501 tubing include the aerospace, marine, and power generation sectors. The steel tube's high strength, corrosion resistance, and ability to withstand extreme temperatures make it suitable for use in these industries as well.

In conclusion, ASTM A501 Hot Formed Welded and Seamless Carbon Steel Structural Tubing finds applications in various industries where high strength, durability, and corrosion resistance are essential. Its versatility and customizability allow it to be used in a wide range of structural components, ensuring its longevity and reliability in critical applications.

Manufacturing Process:

The manufacturing process of ASTM A501 steel tubing involves several key steps:

Hot Forming: The steel sheet is heated to a suitable temperature and then formed into a tube shape using dies and mandrels. This process ensures that the steel tube has the desired shape and dimensions.
Welding: The edges of the tube are then welded to create a continuous seamless tube. The welding process is carefully controlled to ensure a strong and leak-free joint.
Cooling and Annealing: The tube is cooled slowly to prevent any residual stresses from developing. Annealing is then performed to soften the tube and improve its mechanical properties.
Finish Processing: The tube may undergo further processing, such as polishing, threading, or flanging, depending on the specific application requirements.

ASTM A501 specifies the allowable size tolerances for the steel tube. These tolerances are based on the nominal size of the tube and are designed to ensure consistent performance across various batches of steel tubing. The size tolerances account for variations in wall thickness, outer diameter, and other critical dimensions.

When selecting ASTM A501 Hot Formed Welded and Seamless Carbon Steel Structural Tubing for a specific application, it's important to consider the following factors:

Application Requirements: Determine the specific loads, stresses, and corrosion resistance requirements of the application. ASTM A501 steel tubing is suitable for high-stress structural applications where corrosion resistance is essential.
Material Properties: Ensure that the steel tube meets the required mechanical properties, such as tensile strength, yield strength, and impact resistance. These properties should be checked against the ASTM standard to ensure compliance.
Quality Assurance: Verify the quality of the steel tube by checking for any defects or irregularities in the welding seam or other areas. A high-quality product will typically have a smooth finish and consistent dimensions.
Supplier Reputation: Choose a reliable supplier with a good reputation for providing high-quality ASTM A501 steel tubing. Ensure that the supplier follows the ASTM standard and provides test reports or certificates of conformity for their products.
Cost-Effectiveness: Consider the cost of the steel tube in relation to its performance and durability. Compare prices from different suppliers and evaluate the overall cost-effectiveness of each option before making a purchase decision.

In summary, ASTM A501 Hot Formed Welded and Seamless Carbon Steel Structural Tubing offers high-quality steel tubing suitable for structural applications where strength, durability, and corrosion resistance are critical. When selecting this steel tubing, it's important to consider the manufacturing process, size tolerances, and apply suitable selection criteria to ensure the best performance and value for your specific application.

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