A513 Dom Tubing

A513 Dom Tube, ASTM A513 Type 5 Dom Tube, Dom Tubing, A513 Mechanical Tubing Steel, A513 Type 5 Drawn Over Mandrel Tubing, A513-5 Dom Tubing, A513 Type 5 DOM Welded Tubing, ASTM A513 Type 5 Round Steel Tube.

Solitaire Overseas supplies A513 Type 5 Drawn Over Mandrel (DOM) Tubing. This DOM Steel Tube is made from high-quality C1020 carbon steel strip, which is shaped and electric resistance welded (ERW). After annealing to create a uniform grain structure, the tube is cold-drawn over a mandrel, offering several key benefits: uniform concentricity, improved ovality, closer tolerances, a denser surface, consistent wall thickness, and better overall strength. The cold drawing process ensures the weld area becomes strong and consistent with the base metal.

A513 Dom Tubing isn't a specific material but rather a manufacturing technique. This process starts with an ERW tube, which is cold-drawn over a die and mandrel. The die shapes the Outside Diameter (OD), while the mandrel determines the Inside Diameter (ID).

DOM Tubes can be made from mild steel or stainless steel, depending on the required properties for the application. The cold-drawing method enhances the surface finish, dimensional accuracy, and weld strength of the tubing. Mild steel DOM tubes are heat-treated after drawing to improve machinability and toughness.

Drawn Over Mandrel (DOM) Mechanical Tubing is a high-quality steel tube made from 1020/1026 grade material. It is created through a cold-drawing process, where the flash from the electric resistance welding is removed before drawing. Compared to standard welded tubing, DOM tubing offers much tighter tolerances for both outer diameter (OD) and inner diameter (ID), ensuring precision and consistency.

ASTM A513 Dom Tube Specification

Sizes	0.188” to 12.000” O.D. with 0.028” to 0.625” Wall Thickness
Length	Stocked in 17.000’ - 24.000’ random lengths (cut to length available) Single Random, Double Random & Required Length, Custom Size - 12 Meter lengths
Value Added Service	Draw & Expansion as per required Size & Length
Heat Treatment	Bending, Annealed, Machining Etc.
End Connections	Plain, Screwed, Bevel, Threaded
Type	Seamless / Welded / ERW / Fabricated / CDW
ASTM A513/ ASME SA513 Alloy Steel Tube End	S Plain End, Beveled End, Threaded
Outside Coating & Finish	Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements

Chemical Composition of A513-T5 DOM Tubing

Grade Designation	Chemical Composition Limits, %
Grade Designation	Carbon	Manganese	Phosphorus, max	Sulfur, max
1010	0.05-0.15	0.30-0.60	0.035	0.035
1015	0.10-0.20	0.30-0.60	0.035	0.035
1020	0.15-0.25	0.30-0.60	0.035	0.035
1026	0.22-0.28	0.60-0.90	0.035	0.035

A513-T5 DOM Tube Mechanical Properties

Hardness Limits and Tensile Properties for D.O.M. Stress-Relieved Tubing	Yield Strength, ksi (Mpa), min.	Ultimate Strength, ksi (Mpa), min.	Elongation in 2 in. or 50 mm, %, min.	RB min.
1015	50 (345)	60 (414)	12	72
1020	55 (379)	65 (448)	10	75
1026	65 (448)	75 (517)	10	80

A513 Round and Square Steel Tube and Tensile Properties

	Yield Strength, Ksi (MPa), min	Ultimate Strength, ksi (MPa), min	Elongation in 2 in. 50 mm. % min	RB min	RB max
As-Welded Tubing
1008	30 (207)	42 (290)	15	50
1010	32 (221)	45 (310)	15	55
1015	35 (241)	48 (331)	15	58
1020	38 (262)	52 (359)	12	62
1026	45 (310)	62 (427)	12	68
Normalized Tubing
1008	23 (159)	38 (262)	30		65
1010	25 (172)	40 (276)	30		65
1015	30 (207)	45 (310)	30		70
1020	35 (241)	50 (345)	25		75
1026	40 (276)	60 (414)	25		85
Sink-Drawn Tubing
1008	38 (262)	38 (262)	8	65
1010	40 (276)	40 (276)	8	65
1015	45 (310)	45 (310)	8	67
1020	50 (345)	50 (345)	8	70
1026	55 (379)	55 (379)	7	77
Mandrel-Drawn Tubing
1008	50 (345)	60 (414)	5	73
1010	50 (345)	60 (414)	5	73
1015	55 (379)	65 (448)	5	77
1020	60 (414)	70 (483)	5	80
1026	70 (483)	80 (552)	5	85
Mandrel-Drawn Stress-Relieved Tubing
1008	45 (310)	45 (310)	55 (379)	12	68
1010	45 (310)	45 (310)	55 (379)	12	68
1015	50 (345)	50 (345)	60 (414)	12	72
1020	55 (379)	55 (379)	65 (448)	10	75
1026	65 (448)	65 (448)	75 (517)	10	80

Typical Permissible Variations in A513 Dom Tubing Wall Thickness

Wall Thickness (inches) {Birmingham Wire Gage}	.375 to 0.875 inclusive	Over 0.875 inch to 1.875 inch, Inclusive	Over 1.875 inch to 3.750 inch, Inclusive	Over 3.750 inch to 15.000 inch, Inclusive
0.035 {20}	+ 0.002 / – 0.002	+ 0.002 / – 0.002	+ 0.002 / – 0.002	…..
0.042 {19}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.002 / – 0.003	…..
0.049 {18}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.002 / – 0.003	…..
0.065 {16}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.002 / – 0.003	+ 0.004 / – 0.004
0.072 {15}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.003 / – 0.003	+ 0.004 / – 0.005
0.083 {14}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.003 / – 0.003	+ 0.004 / – 0.005
0.095 {13}	+ 0.002 / – 0.002	+ 0.002 / – 0.003	+ 0.003 / – 0.003	+ 0.004 / – 0.005
0.109 {12}	+ 0.002 / – 0.003	+ 0.002 / – 0.004	+ 0.003 / – 0.003	+ 0.005 / – 0.005
0.120 {11}	+ 0.003 / – 0.003	+ 0.002 / – 0.004	+ 0.003 / – 0.003	+ 0.005 / – 0.005
0.134 {10}	…..	+ 0.002 / – 0.004	+ 0.003 / – 0.003	+ 0.005 / – 0.005
0.148 {9}	…..	+ 0.002 / – 0.004	+ 0.003 / – 0.003	+ 0.005 / – 0.005
0.165 {8}	…..	+ 0.003 / – 0.004	+ 0.003 / – 0.004	+ 0.005 / – 0.006
0.180 {7}	…..	+ 0.004 / – 0.004	+ 0.003 / – 0.005	+ 0.006 / – 0.006
0.203 {6}	…..	+ 0.004 / – 0.005	+ 0.004 / – 0.005	+ 0.006 / – 0.007
0.220 {5}	…..	+ 0.004 / – 0.006	+ 0.004 / – 0.006	+ 0.007 / – 0.007
0.259 {3}	…..	+ 0.005 / – 0.006	+ 0.005 / – 0.006	+ 0.007 / – 0.007
0.284 {2}	…..	+ 0.005 / – 0.006	+ 0.005 / – 0.006	+ 0.007 / – 0.007
0.300 {1}	…..	+ 0.006 / – 0.006	+ 0.006 / – 0.006	+ 0.008 / – 0.008
0.32	…..	+ 0.007 / – 0.007	+ 0.007 / – 0.007	+ 0.008 / – 0.008
0.344	…..	+ 0.008 / – 0.008	+ 0.008 / – 0.008	+ 0.009 / – 0.009
0.375	…..	…..	+ 0.009 / – 0.009	+ 0.009 / – 0.009
0.4	…..	…..	+ 0.010 / – 0.010	+ 0.010 / – 0.010
0.438	…..	…..	+ 0.011 / – 0.011	+ 0.011 / – 0.011
0.46	…..	…..	+ 0.012 / – 0.012	+ 0.012 / – 0.012
0.48	…..	…..	+ 0.012 / – 0.012	+ 0.012 / – 0.012
0.531	…..	…..	+ 0.013 / – 0.013	+ 0.013 / – 0.013
0.563	…..	…..	+ 0.013 / – 0.013	+ 0.013 / – 0.013
0.58	…..	…..	+ 0.014 / – 0.014	+ 0.014 / – 0.014
0.6	…..	…..	+ 0.015 / – 0.015	+ 0.015 / – 0.015
0.625	…..	…..	+ 0.016 / – 0.016	+ 0.016 / – 0.016
0.65	…..	…..	+ 0.017 / – 0.017	+ 0.017 / – 0.017

Permissible Variations in Dimensions for Round Tubing

	Wall Thickness % of O.D.	Outside Diameter Tolerance (inches)	Outside Diameter Tolerance (inches)	Inside Diameter Tolerance (inches)	Inside Diameter Tolerance (inches)
Outside Diameter Size Range, inches		Over	Under	Over	Under
Up to 0.499	all	0.004	0.000	….	….
0.500 to 1.699	all	0.005	0.000	0.000	0.005
1.700 to 2.099	all	0.006	0.000	0.000	0.006
2.100 to 2.499	all	0.007	0.000	0.000	0.007
2.500 to 2.899	all	0.008	0.000	0.000	0.008
2.900 to 3.299	all	0.009	0.000	0.000	0.009
3.300 to 3.699	all	0.010	0.000	0.000	0.010
3.700 to 4.099	all	0.011	0.000	0.000	0.011
4.100 to 4.499	all	0.012	0.000	0.000	0.012
4.500 to 4.899	all	0.013	0.000	0.000	0.013
4.900 to 5.299	all	0.014	0.000	0.000	0.014
5.300 to 5.549	all	0.015	0.000	0.000	0.015
5.550 to 5.999	under 6	0.010	0.010	0.010	0.010
5.550 to 5.999	6 and over	0.009	0.009	0.009	0.009
6.000 to 6.499	under 6	0.013	0.013	0.013	0.013
6.000 to 6.499	6 and over	0.010	0.010	0.010	0.010
6.500 to 6.999	under 6	0.015	0.015	0.015	0.015
6.500 to 6.999	6 and over	0.012	0.012	0.012	0.012
7.000 to 7.499	under 6	0.018	0.018	0.018	0.018
7.000 to 7.499	6 and over	0.013	0.013	0.013	0.013
7.500 to 7.999	under 6	0.020	0.020	0.020	0.020
7.500 to 7.999	6 and over	0.015	0.015	0.015	0.015
8.000 to 8.499	under 6	0.023	0.023	0.023	0.023
8.000 to 8.499	6 and over	0.016	0.016	0.016	0.016
8.500 to 8.999	under 6	0.025	0.025	0.025	0.025
8.500 to 8.999	6 and over	0.017	0.017	0.017	0.017
9.000 to 9.499	under 6	0.028	0.028	0.028	0.028
9.000 to 9.499	6 and over	0.019	0.019	0.019	0.019
9.500 to 9.999	under 6	0.030	0.030	0.030	0.030
9.500 to 9.999	6 and over	0.020	0.020	0.020	0.020
10.000 to 10.999	all	0.034	0.034	0.034	0.034
11.000 to 11.999	all	0.035	0.035	0.035	0.035
12.000 to 12.999	all	0.036	0.036	0.036	0.036
13.000 to 13.999	all	0.037	0.037	0.037	0.037
14.000 to 14.999	all	0.038	0.038	0.038	0.038

Size chart of DOM 1020 Round Steel Tube & ASTM A513 Type 5 DOM Tubing

Product Name	Alloy	Size A	Wall B	Length	Weight Each
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.065"	10'	6.49 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.065"	5'	3.25 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.095"	10'	9.18 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.095"	5'	4.59 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.120"	10'	11.28 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1"	.120"	5'	5.64 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.065"	10'	8.23 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.065"	5'	4.115 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.095"	10'	11.72 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.095"	5'	5.86 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.120"	10'	14.48 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/4"	.120"	5'	7.24 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.065"	10'	9.96 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.065"	5'	4.98 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.095"	10'	14.26 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.095"	5'	7.13 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.120"	10'	17.69 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.120"	5'	8.845 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.250"	10'	33.38 #
DOM 1020/1025 Round Steel Tubing	DOM 1020/1025	1-1/2"	.250"	5'	16.69 #

Applications & Uses of A513 Dom Tube

Bearings, Bushings, Couplings, Collets, Fittings, Damper Tubes

Shafts

Cylinders

Axles

Conveyor rolls

Telescoping and push-pull applications

Steering columns

Shift levers

Airbag inflators

Power seat mechanisms, Seat assembly components

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FAQ

A513 DOM refers to ASTM A513 Type 5 tubing, which is electric-resistance-welded carbon and alloy steel tubing that is Drawn Over Mandrel (DOM) and through a die. It is primarily used for mechanical applications and is available in various shapes such as round, square, rectangular, and special forms.

A500 tubing is stronger and more durable, ideal for heavy-duty structural assemblies. A513 tubing, although less durable, offers tighter tolerances, making it better suited for precision applications like decorative handrails and fencing.

A513 material grade refers to a specification for electric-resistance-welded carbon and alloy steel tubing. It consists of four grades, with carbon content ranging from 0.18% to 0.23%. The chemical composition includes elements such as manganese, phosphorus, silicon, and sulfur, influencing its mechanical properties and applications.