Carbon Steel A105 Bars/Rods

Luois Metals is a reliable manufacturer and supplier of Carbon Steel A105 bars and rods, proudly based in Houston, USA. We focus on delivering high-strength, durable carbon steel products tailored for critical industrial applications. Carbon Steel A105 is a forged steel that’s primarily used for piping components in pressure systems, and we make sure our bars and rods adhere to all ASTM specifications, boasting excellent dimensional accuracy and mechanical performance. At Luois Metals, we provide a diverse range of sizes and custom options, ensuring dependable solutions with quick turnaround times, competitive pricing, and top-notch customer support both in the U.S. and around the globe.

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Carbon Steel A105 Round Bars

Carbon Steel A105 Hex Bars

Carbon Steel A105 Rods

What is Carbon Steel A105 Bars ?

The composition of Carbon Steel A105 bars and rods includes carbon, manganese, phosphorus, sulfur, and silicon. This low-alloy steel is known for its impressive mechanical properties, featuring a tensile strength of about 485 MPa and a yield strength of roughly 250 MPa. It offers good hardness, moderate machinability, and wear resistance under pressure. While it doesn’t shine in terms of corrosion resistance, it holds up well in high-pressure, high-temperature settings. A105 can also be heat-treated to enhance its strength and ductility, making it a great fit for forging and machining processes where consistent structural performance is key.

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Carbon Steel A105 Bars Specifications

International Specifications	ASTM A105, ASME SA105
Manufacturing Process	Forged/Hot Rolled/Cold Drawn/Peeled
Equivalent grades	EN, DIN, JIS, ASTM, BS, ASME, AISI
SA105 Round Bar Dimensions	3.0 – 50.8 mm, Over 50.8 – 300mm
ASTM A105 Rectangular Bars	6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm
A105 Carbon Steel Hex Bars	AF5.8mm–17mm
Carbon Steel A105 Square Bar	AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm
Carbon Steel A105 Flat Bars	1/2” to 10” in the thickness range of 2mm to 150mm,
Finishes Available	Bright, Polish & Black
Length	1meter to 6 Meters
Shapes	Hexagonal, Rounds, Square, Hex, Rectangular, Hollow, Flat,
Forms of A105 Bars in Stock:	Billet, Ingot, Forging Etc.

Chemical Compositions of Carbon Steel A105 Bars

Carbon Steel	C	Si	Mn	P	S	Cr
A105	0.35	0.10-0.35	0.60-1.05	0.035	0.040	0.30

Mechanical Properties of Carbon Steel A105 Bars

Tensile Strength (N/mm2)	Elongation %	HB max
485	22	187

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Carbon Steel A105 Bars Types

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Carbon Steel A105 Bars Weight Chart

SIZE IN INCHES	ROUND	SQUARE	OCTAGON	HEXAGON	SIZE IN INCHES	ROUND	SQUARE	OCTAGON	HEXAGON
1/16	.010	.013	.011	.012	11/16	1.262	1.607	1.333	1.392
5/64	.017	.022	.018	.019	45/64	1.320	1.681	1.394	1.456
3/32	.023	.029	.024	.025	23/32	1.380	1.756	1.487	1.521
7/64	.031	.039	.033	.034	47/64	1.440	1.834	1.521	1.588
1/8	.042	.053	.044	.046	3/4	1.502	1.913	1.586	1.656
9/64	.053	.067	.056	.058	25/32	1.630	2.075	1.721	1.797
5/32	.065	.083	.069	.072	13/16	1.763	2.245	1.862	1.944
11/64	.079	.100	.083	.087	27/32	1.901	2.421	2.008	2.096
3/16	.094	.120	.099	.104	7/8	2.045	2.603	2.159	2.254
13/64	.110	.140	.116	.121	29/32	2.193	2.792	2.316	2.418
7/32	.128	.163	.135	.141	15/16	2.347	2.988	2.479	2.588
15/64	.147	.187	.155	.162	31/32	2.506	3.191	2.646	2.763
1/4	.167	.213	.176	.184	1	2.670	3.400	2.820	2.945
17/64	.188	.240	.199	.207	1-1/16	3.015	3.838	3.183	3.324
9/32	.211	.269	.223	.233	1-1/8	3.380	4.303	3.569	3.727
19/64	.235	.300	.248	.259	1-3/16	3.766	4.795	3.977	4.152
5/16	.261	.332	.275	.288	1-1/4	4.172	5.313	4.407	4.601
21/64	.288	.360	.304	.318	1-5/16	4.600	5.857	4.858	5.072
11/32	.316	.402	.334	.348	1-3/8	5.049	6.428	5.332	5.567
23/64	.345	.439	.364	.381	1-7/16	5.518	7.026	5.827	6.085
3/8	.376	.478	.397	.414	1-1/2	6.008	7.650	6.345	6.625
25/64	.408	.519	.431	.450	1-9/16	6.519	8.301	6.885	7.189
13/32	.441	.561	.466	.486	1-5/8	7.051	8.978	7.446	7.775
27/64	.475	.605	.502	.524	1-11/16	7.604	9.682	8.030	8.385
7/16	.511	.651	.540	.564	1-3/4	8.178	10.41	8.634	9.018
29/64	.548	.698	.579	.604	1-13/16	8.773	11.17	9.265	9.673
15/32	.587	.747	.620	.647	1-7/8	9.388	11.95	9.911	10.35
31/64	.627	.798	.662	.692	1-15/16	10.02	12.76	10.58	11.05
1/2	.668	.850	.705	.736	2	10.68	13.60	11.28	11.78
33/64	.710	.904	.750	.783	2-1/16	11.36	14.46	11.99	12.53
17/32	.754	.960	.796	.831	2-1/8	12.06	15.35	12.73	13.30
35/64	.799	1.017	.844	.881	2-3/16	12.78	16.27	13.49	14.09
9/16	.845	1.076	.892	.932	2-1/4	13.52	17.21	14.27	14.91
37/64	.893	1.136	.943	.985	2-5/16	14.28	18.18	15.08	15.75
19/32	.941	1.199	.994	1.038	2-3/8	15.06	19.18	15.91	16.61
39/64	.992	1.263	1.048	1.094	2-7/16	15.87	20.20	16.75	17.49
5/8	1.043	1.328	1.102	1.150	2-1/2	16.69	21.25	17.62	18.40
41/64	1.096	1.395	1.207	1.209	2-9/16	17.53	22.33	18.52	19.34
21/32	1.150	1.464	1.214	1.268	2-5/8	18.40	23.43	19.43	20.29
43/64	1.205	1.535	1.272	1.329	2-11/16	19.29	24.56	20.37	21.27

Frequently Asked Questions (FAQ)

What are the key properties of Carbon Steel A105 Bars and Rods?

Our Carbon Steel A105 Bars and Rods offer exceptional strength, durability, and corrosion resistance. They exhibit a tensile strength of 485 MPa (min), yield strength of 250 MPa (min), and elongation of 22% (min), making them ideal for high-pressure and high-temperature applications.

What industries commonly use Carbon Steel A105 Bars and Rods?

These bars and rods are extensively used in the oil and gas, petrochemical, power generation, marine, and construction industries. They are essential for flanges, fittings, valves, heat exchangers, and pressure vessels.

Are your A105 Bars and Rods customizable?

Yes, at Louis Metals, we provide tailored solutions to meet specific project requirements, including custom sizes, lengths, and finishes.

Carbon Steel A105 Bars Uses

You’ll find Carbon Steel A105 bars and rods widely utilized in industries like oil and gas, petrochemical, power generation, and shipbuilding. They’re often used to manufacture flanges, valves, fittings, and other pressure-bearing components in piping systems. Their strength and toughness make them perfect for high-pressure and high-temperature applications, especially in pipelines and industrial machinery. In structural contexts, they’re employed in frames, shafts, and supports that demand high mechanical integrity. Although A105 steel isn’t corrosion-resistant without a coating, it remains a cost-effective and trustworthy choice where strength, machinability, and pressure tolerance are top priorities.

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