Louis Metals, a reliable manufacturer and supplier located in Houston, USA, proudly offers top-quality 1030 Steel Bars and Rods suitable for a variety of industrial applications. Renowned for its impressive machinability and balanced strength, AISI 1030 carbon steel delivers dependable performance in structural, mechanical, and automotive settings. With a strong reputation for consistent quality and adherence to industry standards, Louis Metals guarantees that each bar and rod is crafted to precise specifications. Our 1030 steel products come in a range of sizes and finishes, making them perfect for everything from small fabrications to heavy-duty manufacturing needs across the United States.
1030 Steel Bar and Rod is a medium-carbon steel alloy that contains about 0.28–0.34% carbon, 0.60–0.90% manganese, along with trace amounts of phosphorus and sulfur. It strikes a great balance between strength and ductility, boasting a typical tensile strength of 570–700 MPa and a yield strength of around 360 MPa. The Brinell hardness falls between 140 and 180 HB. 1030 steel is particularly amenable to heat treatment, which boosts its mechanical properties, such as toughness and wear resistance. Its machinability and moderate hardness make it an excellent choice for shafts, gears, and various other mechanical components.
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Colour Code |
Stocked Sizes |
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White (Bar End)
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Metric |
8 mm – 140 mm Dia |
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Imperial |
3/16″ – 7″ Dia |
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Related Specifications |
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Australia |
AS 1443 – 1994 M1030 |
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Germany |
W.Nr 1.0528 C30
W.Nr 1.1178 CK30 |
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Great Britain |
BS970 – Part 3 – 1991 080M30
BS970 – 1955 EN5, 6, 6a |
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Japan |
JIS G 4051 S30C |
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USA |
AISI C1030
ASTM A29/A29M – 91 1030
SAE 1030
UNS G 10300 |
Element | Content |
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Carbon, C | 0.270 – 0.340 % |
Iron, Fe | 98.63 – 99.09 % |
Manganese, Mn | 0.60 – 0.90 % |
Phosphorous, P | 0.040 % |
Sulfur, S | 0.050 % |
Cold Drawn Size mm | up to 16mm | 17 – 38mm | 39 – 63mm | Turned & Polished, & Precision Ground (all sizes) | ||||||||||||||
Tensile Strength Mpa | Min | 560 | 540 | 520 | 500 | |||||||||||||
Max | 850 | 740 | 710 | 630 | ||||||||||||||
Yield Strength Mpa | Min | 440 | 430 | 410 | 250 | |||||||||||||
Max | 670 | 600 | 570 | 350 | ||||||||||||||
Elongation in 50mm % | Min | 10 | 11 | 12 | 20 | |||||||||||||
Hardness HB | Min | 170 | 160 | 155 | 150 | |||||||||||||
Max | 245 | 215 | 210 | 185 | ||||||||||||||
Thanks to their outstanding machinability and moderate strength, 1030 Steel Bars and Rods find extensive use across various industrial sectors. They are frequently employed in the production of axles, crankshafts, couplings, spindles, and other components that must perform reliably under mechanical stress. In the automotive sector, 1030 steel is utilized for steering and suspension parts. Its formability and weldability also make it ideal for forging and general structural applications. Additionally, its capacity for heat treatment allows it to be used in toolmaking and fabrication. Louis Metals is committed to supplying 1030 steel bars and rods that cater to a wide range of construction and manufacturing needs.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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