Alongside our 4140 offerings, we are also recognized as a leading 42CrMo4 Flat Bars Manufacturer, Stockist, and Exporter in Qatar. These bars are known for their high fatigue strength and excellent toughness, making them suitable for applications such as gear components, connecting rods, and power transmission parts. Additionally, our EN19 Flat Bars are widely used in the engineering and automotive sectors due to their high tensile strength and wear resistance. As a top EN19 Flat Bars Manufacturer, Stockist, and Exporter in Qatar, we ensure reliable supply for all industrial 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 | Qatar | 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 being the best quality 4140 Square Bars Manufacturer, Stockist, and Exporter in Qatar by offering premium products, timely delivery, and competitive pricing. We provide value-added services like cutting, machining, and heat treatment upon request, ensuring our clients receive tailored solutions to enhance operational efficiency. Our products are supplied with test certificates and comply with international material standards, including ASTM, DIN, and BS.
With a strong reputation built on quality and reliability, Super Metal Manufacturing Co. remains the preferred partner for 4140 Square Bars, 42CrMo4 Flat Bars, and EN19 Flat Bars in Qatar. Our client-centric approach, combined with technical excellence and a robust supply chain, allows us to meet the diverse and evolving needs of industries in Qatar and around the globe.
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.