CS AISI / SAE 4140 Round Bars, AISI / SAE 4140 Rods manufacturer, 4140 Round Bars Stockists, CS Round Bars Supplier Manufacturers Exporters.
SAE 4140 Round Bars Manufacturer, AISI 4140 Alloy Steel Forged Bars, SAE 4140 Bars stockist, Exporter
AISI 4140 Bright Bars, AISI / SAE 4140 Hex Bar Supplier, AISI 4140 Alloy Steel Round Bar, SAE Round Bars Suppliers.
It has some great features like Dimensional accuracy, Resistance to corrosion, Durability, and more. With respect to national and international quality of raw materials, we also offer these round bars and rods in customized sizes and thicknesses as per specific demands by our esteemed clients at market leading prices.
Chemical Composition
| Grade | Ni | C | Si | S | P | Mn | Cr | Mo |
| SAE – 4140 | .15 – .25 | .38 – .43 | .20 – .35 | .035 | .035 | .75 – 1.00 | .80 – 1.10 | – |
Mechanical Properties
| Yield (psi) |
UTS (psi) |
Charpy room temperature (average of 3) |
% Reduction of Area |
% Elongation |
Hardness HRC |
| min 80k | min 100k | 50J | min 40% | min 20% | 18-22 |
| max 110k |
Equivalent Grades
| Standard | AISI / SAE 4140 |
| UNS | – |
| WERKSTOFF NR. | 41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4 |
| BS 970 | 708M40, 708A42, 709M40, En19, En19C |
| UNI | 41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4 |
| JIS | SCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4 |
| EN name | 42CrMo4 |
| EN # | 1.7223, 1.7225, 1.7227, 1.3563 |
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