Alongside 4140 Square Bars, we are also a prominent 42CrMo4 Flat Bars Manufacturer, Stockist, and Exporter in Oman. These flat bars are highly preferred in heavy engineering applications due to their high fatigue strength, shock resistance, and durability. Our EN19 Flat Bars, another flagship product, are widely used in the automotive and mechanical industries for the fabrication of spindles, axles, and other precision parts that demand superior performance and longevity. As a leading EN19 Flat Bars Manufacturer, Stockist, and Exporter in Oman, we provide tailored solutions to meet diverse project requirements.
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 | Oman | 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 |
Super Metal Manufacturing Co. is committed to delivering the best quality 4140 Square Bars to clients across Oman, backed by technical support, competitive pricing, and value-added services like cutting, machining, and heat treatment. Our customer-focused approach ensures that every client receives timely and reliable solutions that enhance productivity and operational efficiency.
With decades of industry expertise and a strong global footprint, Super Metal Manufacturing Co. continues to be a preferred supplier of 4140 Square Bars, 42CrMo4 Flat Bars, and EN19 Flat Bars in Oman. We take pride in building long-term relationships based on trust, consistency, and quality—helping industries in Oman and beyond grow with dependable alloy steel products.
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.