In addition to 4140 Square Bars, we are also a leading 42CrMo4 Flat Bars Manufacturer, Stockist, and Exporter in Kuwait. These bars are widely used in the engineering and mechanical sectors for components requiring high fatigue strength and wear resistance. Super Metal Manufacturing Co. is equally renowned as an EN19 Flat Bars Manufacturer, Stockist, and Exporter in Kuwait, supplying reliable materials for precision parts used in automotive, aerospace, and structural applications.
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 | Kuwait | 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 |
Recognized as the best quality 4140 Square Bars Manufacturer, Stockist, and Exporter in Kuwait, we offer products that are fully tested, certified, and compliant with global material standards. Our technical team works closely with clients to provide custom sizes, lengths, and value-added services such as cutting, surface finishing, and third-party inspection to meet project-specific requirements.

With decades of industry experience and a strong presence in international markets, Super Metal Manufacturing Co. continues to be the preferred source for 4140 Square Bars, 42CrMo4 Flat Bars, and EN19 Flat Bars in Kuwait. Our dedication to quality, customer satisfaction, and timely delivery makes us a dependable partner for clients across the Kuwait industrial landscape.
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.