Luke Steel, located in Houston, Houstan, is a reputable manufacturer and supplier of high-quality Carbon Steel EN-36C Bars, serving a variety of industrial sectors. Renowned for its exceptional product integrity, Luke Steel provides bars that adhere to strict international quality standards, boasting impressive hardness, wear resistance, and toughness. These bars are commonly used in challenging engineering applications where both high core strength and surface hardness are vital. With a strong commitment to precision, reliability, and timely delivery, Luke Steel has become a trusted source for EN-36C bars in the construction, automotive, defense, and general manufacturing industries, both in the USA and beyond.
Carbon Steel EN-36C Bars are alloy steel bars characterized by a typical composition that includes around 0.12–0.18% carbon, 3.0–3.75% nickel, 0.5–1.1% chromium, and small amounts of molybdenum. This distinctive composition provides excellent hardenability and wear resistance. Mechanically, EN-36C bars exhibit a tensile strength between 700–1000 MPa and achieve high case hardness after carburizing, often reaching up to 60 HRC. The steel is celebrated for its outstanding fatigue resistance and toughness, making it perfect for components that require both strength and surface durability.
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars | 3.0 – 50.8 mm, Over 50.8 – 300mm |
| Rectangular Bars | 6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm |
| Hex Bars | AF5.8mm–17mm |
| Square Bars | AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm |
| Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm, |
| Finish | Bright, Polish & Black |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
Grade | Chemical composition %: | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | |
| En36C | 0.17-0.24 | 0.17-0.37 | 0.7-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| Chemical Composition | Application | |||||||||
| C | Si | Mn | P≤ | S≤ | CU≤ | Cr | Ni | Mo | V | |
| 0.43-0.49 | 0.15-0.35 | 0.60-0.90 | 0.03 | 0.035 | machine structural use, hand tools | |||||
| 0.53-0.59 | 0.17-0.37 | 0.50-0.80 | 0.03 | 0.03 | 0.2 | 0.25 | 0.3 | hand tools | ||
| 0.57-0.63 | 0.17-0.37 | 0.50-0.80 | 0.03 | 0.03 | 0.2 | 0.25 | 0.3 | hand tools | ||
| 0.13-0.18 | 0.15-0.35 | 0.60-0. | ||||||||
ULTIMATE TENSILE STRENGTH, S. (MPA) | 621 |
|---|---|
Modulus of elasticity, E (Gpa) | 204 |
Fatigue strength coefficient, of (Mpa) | 948 |
Fatigue strength exponent, b | -0.092 |
Fatigue ductility coeffient ,ef | 0.26 |
Fatigue ductility exponent,c | -0.445 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size Table in MM | Chucked true to Outside Dia in MM | Chucked true to Inside Dia in MM and Inch | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Outside Dia, Milimeter | Inside Dia, Milimeter | Maximum Outside Dia, Milimeter | Minimum. Inside Dia, Milimeter | Maximum Outside Dia, Inches. | Minimum. Inside Dia, Inches | Maximum Outside Dia, Milimeter | Minimum. Inside Dia, Milimeter | Maximum Outside Dia, Inches | Minimum. Inside Dia, Inches |
| 32 | 20 | 31 | 21.9 | 1.220 | 0.862 | 30 | 21 | 1.185 | 0.827 |
| 32 | 16 | 31 | 18 | 1.220 | 0.709 | 30 | 17 | 1.181 | 0.669 |
| 36 | 25 | 35 | 26.9 | 1.378 | 1.059 | 34.1 | 26 | 1.343 | 1.024 |
| 36 | 20 | 35 | 22 | 1.378 | 0.866 | 34 | 21 | 1.339 | 0.827 |
| 36 | 16 | 35 | 18.1 | 1.378 | 0.713 | 33.9 | 17 | 1.335 | 0.669 |
| 40 | 28 | 39 | 29.9 | 1.535 | 1.177 | 38.1 | 29 | 1.500 | 1.142 |
| 40 | 25 | 39 | 27 | 1.535 | 1.063 | 38 | 26 | 1.496 | 1.024 |
| 40 | 20 | 39 | 22.1 | 1.535 | 0.870 | 37.9 | 21 | 1.492 | 0.827 |
| 45 | 32 | 44 | 33.9 | 1.732 | 1.335 | 43.1 | 33 | 1.697 | 1.299 |
| 45 | 28 | 44 | 30 | 1.732 | 1.181 | 43 | 29 | 1.693 | 1.142 |
| 45 | 20 | 44 | 22.2 | 1.732 | 0.874 | 42.8 | 21 | 1.685 | 0.827 |
| 50 | 36 | 49 | 38 | 1.929 | 1.496 | 48 | 37 | 1.890 | 1.457 |
| 50 | 32 | 49 | 34.1 | 1.929 | 1.343 | 47.9 | 33 | 1.886 | 1.299 |
| 50 | 25 | 49 | 27.2 | 1.929 | 1.071 | 47.8 | 26 | 1.882 | 1.024 |
| 56 | 40 | 55 | 42 | 2.165 | 1.654 | 54 | 41 | 2.126 | 1.614 |
| 56 | 36 | 55 | 38.1 | 2.165 | 1.500 | 53.9 | 37 | 2.122 | 1.457 |
| 56 | 28 | 55 | 30.3 | 2.165 | 1.193 | 53.7 | 29 | 2.114 | 1.142 |
| 63 | 50 | 62 | 51.9 | 2.441 | 2.043 | 61.1 | 51 | 2.406 | 2.008 |
| 63 | 45 | 62 | 47 | 2.441 | 1.850 | 61 | 46 | 2.402 | 1.811 |
| 63 | 40 | 62 | 42.2 | 2.441 | 1.661 | 60.8 | 41 | 2.394 | 1.614 |
| 63 | 36 | 62 | 38.3 | 2.441 | 1.508 | 60.7 | 37 | 2.390 | 1.457 |
| 63 | 32 | 62 | 34.4 | 2.441 | 1.354 | 60.6 | 33 | 2.386 | 1.299 |
| 71 | 56 | 69.9 | 58 | 2.752 | 2.283 | 68.9 | 57 | 2.713 | 2.244 |
| 71 | 45 | 69.9 | 47.3 | 2.752 | 1.862 | 68.6 | 46 | 2.701 | 1.811 |
| 71 | 40 | 69.9 | 42.4 | 2.752 | 1.669 | 68.5 | 41 | 2.697 | 1.614 |
| 71 | 36 | 69.9 | 38.5 | 2.752 | 1.516 | 68.4 | 37 | 2.693 | 1.457 |
| 75 | 60 | 73.8 | 62 | 2.906 | 2.441 | 72.8 | 61 | 2.866 | 2.402 |
| 75 | 50 | 73.8 | 52.2 | 2.906 | 2.055 | 72.6 | 51 | 2.858 | 2.008 |
| 75 | 40 | 73.8 | 42.5 | 2.906 | 1.673 | 72.3 | 41 | 2.846 | 1.614 |
| 80 | 63 | 78.8 | 65 | 3.102 | 2.559 | 77.8 | 64 | 3.063 | 2.520 |
| 80 | 50 | 78.8 | 52.4 | 3.102 | 2.053 | 77.4 | 51 | 3.047 | 2.008 |
| 80 | 45 | 78.8 | 47.5 | 3.102 | 1.870 | 77.3 | 46 | 3.043 | 1.811 |
| 80 | 40 | 78.8 | 42.6 | 3.102 | 1.677 | 77.2 | 41 | 3.039 | 1.614 |
| 85 | 67 | 83.7 | 69.1 | 3.295 | 2.720 | 82.6 | 68 | 3.252 | 2.677 |
| 85 | 55 | 83.7 | 57.4 | 3.295 | 2.260 | 82.3 | 56.0 | 3.240 | 2.205 |
| 85 | 45 | 83.7 | 47.6 | 3.295 | 1.874 | 82.1 | 46.0 | 3.232 | 1.811 |
| 90 | 71 | 88.6 | 73.1 | 3.488 | 2.878 | 87.6 | 72.1 | 3.449 | 2.839 |
Carbon Steel EN-36C Bars find extensive use in applications where a robust core and a hard surface are crucial. This includes automotive components like gears, shafts, pinions, and crankshafts, as well as parts in the aerospace and defense industries, such as aircraft landing gear and missile components. Thanks to its superior mechanical properties and wear resistance after carburizing and heat treatment, EN-36C is also employed in heavy-duty industrial machinery, oil and gas equipment, and high-performance tools, ensuring reliable performance even in demanding environments.
Luke Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Houstan, USA.
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