In addition to 4140 Square Bars, we are also a prominent 42CrMo4 Flat Bars Manufacturer, Stockist, and Exporter in Mumbai. These flat bars are known for their outstanding fatigue resistance and mechanical strength, making them highly suitable for heavy-duty engineering and structural applications. We also manufacture and supply EN19 Flat Bars in Mumbai, which are widely used in the manufacturing of precision automotive components, high-stress shafts, and machinery parts requiring high tensile strength and impact resistance.
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 | Mumbai | 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 Mumbai, we provide products that are thoroughly tested, certified, and tailored to the specific requirements of our clients. Our commitment to quality, customization, and technical support ensures that our customers receive reliable and cost-effective solutions for their industrial needs.

With decades of experience and a solid reputation, Super Metal Manufacturing Co. continues to be a trusted partner for 4140 Square Bars, 42CrMo4 Flat Bars, and EN19 Flat Bars in Mumbai. Our dedication to product excellence and customer satisfaction makes us the preferred choice for businesses seeking dependable alloy steel products in India's commercial capital.
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.