In addition to 4140 Square Bars, we are also a top-tier 42CrMo4 Flat Bars Manufacturer, Stockist, and Exporter in India. These bars are known for their excellent fatigue strength and toughness, suitable for critical engineering applications. Our EN19 Flat Bars are equally in demand for manufacturing automotive components, spindles, and high-stress mechanical parts. As a leading EN19 Flat Bars Manufacturer, Stockist, and Exporter in India, we cater to a wide spectrum of industries with customizable solutions.
Material Specification Chart of 4140 Square Bars
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| standard | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm x 5mm to 500mm x 500mm |
| Thickenss | 0.5mm to 500mm Diameter |
| Finish | Black, Bright Polished |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Square, Billet, Ingot, Forging Etc. |
SAE 4140 Square Bars Grade
| Country names | India | USA | German | British | Japan | China | Australia | |
|---|---|---|---|---|---|---|---|---|
| Country standards | UNS | AISI | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB/T 3077 | AS 1444 |
| Grades | G41400 | 4140 | 4140 | 1.7225/ 42CrMo4 | EN 19 / 42CrMo4 | SCM440 | 42CrMo | 4140 |
We pride ourselves on being the best quality 4140 Square Bars Manufacturer, Stockist, and Exporter in India, offering products that are precision-engineered, thoroughly tested, and backed by technical documentation. Our in-house quality control systems ensure every batch adheres to stringent tolerances and customer-specific requirements. We also offer value-added services like cutting, forging, heat treatment, and third-party inspection upon request.
Super Metal Manufacturing Co. continues to lead as a reliable partner for 4140 Square Bars and other alloy steel products in India. With years of experience, commitment to excellence, and customer-centric services, we have built a solid reputation as one of India’s most trusted names in steel manufacturing and global export.
As a globally recognized supplier, Super Metal Manufacturing Co. continues to expand its reach by delivering reliable, high-performance 4140 Square Bars to customers worldwide. Through its focus on quality, service, and innovation, the company has established itself as a leader in the alloy steel segment, trusted by industries across continents.
Alloy Steel 4140 Square Bars Dimensions Standard
| Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter |
| Square (kg) |
Square (cm²) |
Square (cm) |
|
| 5.0 | 0.20 | 0.25 | 2.0 |
| 5.5 | 0.24 | 0.30 | 2.2 |
| 6.0 | 0.28 | 0.36 | 2.4 |
| 7.0 | 0.38 | 0.49 | 2.8 |
| 8.0 | 0.50 | 0.64 | 3.2 |
| 9.0 | 0.64 | 0.81 | 3.6 |
| 10 | 0.73 | 1.00 | 4.0 |
| 11 | 0.95 | 1.21 | 4.4 |
| 12 | 1.13 | 1.44 | 4.8 |
| 14 | 1.54 | 1.96 | 5.6 |
| 16 | 2.01 | 2.56 | 6.4 |
| 18 | 2.54 | 3.24 | 7.2 |
| 20 | 3.14 | 4.00 | 8.0 |
| 22 | 3.80 | 4.84 | 8.8 |
| 25 | 4.91 | 6.25 | 10.0 |
| 28 | 6.15 | 7.84 | 11.2 |
| 32 | 8.04 | 10.24 | 12.8 |
| 36 | 10.17 | 12.96 | 14.4 |
| 40 | 12.56 | 16.00 | 16.0 |
| 45 | 15.90 | 20.25 | 18.0 |
| 50 | 19.62 | 25.00 | 20.0 |
| 56 | 24.62 | 31.36 | 22.4 |
| 63 | 31.16 | 36.69 | 25.2 |
| 71 | 39.57 | 50.41 | 28.4 |
| 80 | 50.24 | 64.00 | 32.0 |
Application of AISI Alloy Steel 4140 / EN19 / 42crmo4 Round Bars
ASTM alloy 4140 steel bar, flat or plate material can be used for as wide variety of applications where greater toughness and wear resistance is needed over lower carbon grades. Typical applications for 4140 tool steel uses include Components, Adapters, Arbors,strippers, holder blocks, mold bases, ejectors, back up and support tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts,stubs, couplings, reamer bodies, axles, shafting, piston rods, rams, hydraulic machinery shafts, gears, sprockets, gear racks, chain links, spindles, tool bodies, tool holders, tie rods, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Guide Rods, Hydraulic Shafts & Parts,Lathe Spindles, Logging Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pinions, Pump Shafts,boring bars,tracks, slides, wear strips or parts, forming dies, brake dies, trim dies, bolsters, machinery parts and components, etc.