AISI/SAE 4140 Round Bars
CS AISI / SAE 4140 Round Bars, AISI / SAE 4140 Rods manufacturer, 4140 Round Bars Stockists, CS Round Bars Supplier Manufacturers, AISI/SAE 4140 Round Bars Exporter.
Ratnam Steel is a manufacturer, supplier, exporter of a huge variety of products. We are an esteemed company that is pretty much engaged in giving a wide variety of AISI/SAE 4140 Round Bars. Being an ISO certified company and producing a huge range of products, we have a huge number of domestic as well as international clients. We have supplied AISI/SAE 4140 Round Bars to clients in India as well as across the globe in countries such as US, UK, Italy, Germany, Australia etc. We offer AISI/SAE 4140 Round Bars at an economical price to our consumers. These products have a widespread application in a number of industries like sugar, nuclear, marine, defence, fabrication etc.
SAE 4140 Round Bars Manufacturer, AISI 4140 Alloy Steel Forged Bars, SAE 4140 Bars stockist, Exporter
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 | – |
AISI 4140 Bright Bars, AISI / SAE 4140 Hex Bar Supplier, AISI 4140 Alloy Steel Round Bar, SAE Round Bars Suppliers.
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 |