Super Metal Manufacturing Co. has established a significant presence in the Asian and international markets. We are a preferred 4140 Square Bars Manufacture Stockist and Exporter in Japan, Germany, and South Korea due to our commitment to precision and compliance with stringent quality control norms. Our bars are suitable for applications such as shafts, gears, axles, and construction components that require high fatigue 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 | 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 also serve industries in the United States and the United Kingdom as a reputable 4140 Square Bars Manufacture Stockist and Exporter. Our products meet ASTM and EN standards, ensuring compatibility with global project requirements. Whether it is infrastructure development or specialized machinery manufacturing, our 4140 Square Bars contribute to enhanced performance and long service life in critical applications.

As a dedicated 4140 Square Bars Manufacture Stockist and Exporter in South Africa, Super Metal Manufacturing Co. ensures product availability even in remote industrial locations. With a well-established logistics network, we offer timely delivery and technical assistance to our clients globally. Our focus on customer satisfaction, combined with competitive pricing and high-quality standards, sets us apart as a trusted partner for alloy steel square bar solutions worldwide.
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.