Amardeep specializes in producing high-quality 4140 round bars, employing precise metallurgical practices and
utilizing a state-of-the-art manufacturing process to ensure the reliability, efficiency, and performance of
our offered bars. Our primary goal is to create top-notch products that adhere to the highest standards of
quality.
As a leading supplier of industrial round bars, we offer a diverse range of products in various standards,
specifications, designations, and custom dimensions. Our manufacturing unit is equipped with advanced machines
that contribute to the consistent properties of our specialized round bars. We adhere to industrial design
codes throughout the production and finishing processes, ensuring that our products meet the required
standards.
Our round bars are widely used by customers for demanding and critical applications, especially those involving high pressure and exceptionally stringent requirements. Amardeep is committed to providing tailored solutions that precisely meet the unique requirements of our customers.
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
|---|---|
| Range |
5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter |
10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish supplier |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| ASTM A29 | 4140 | 0.38-0.43 | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | – | 0.8-1.10 | 0.15-0.25 |
| EN 10250 | 42CrMo4/ 1.7225 |
0.38-0.45 | 0.6-0.9 | 0.035 | 0.035 | 0.4 | – | 0.9-1.2 | 0.15-0.30 |
| JIS G4105 | SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.03 | 0.15-0.35 | – | 0.9-1.2 | 0.15-0.30 |
| Properties | Metric | Imperial |
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength | 415 MPa | 60200 psi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (based on AISI 1212 as 100 machinability) | 65 | 65 |
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