We cater to diverse industrial requirements by offering custom sizes, precise machining, and tailored heat treatment options. From heavy-duty shafts and gears to oilfield drilling components, our 4140 custom forged bars are trusted for their performance and reliability. As a recognized 4140 custom forged bars Manufacture Stockist and Exporter in Kuwait, Spain, UAE, and Oman, we understand the importance of meeting stringent quality norms and delivering products that withstand demanding operational conditions.
Material Specification Chart of 4140 / EN19 / 42CrMo4 Forged Round Bars
Specifications | ASTM A182, ASME SA182 |
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Standards | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Range of Diameter | 100mm to 500mm |
Finish | Bright, Black, Forged, Turned Bright |
Length | 1000 mm Long To 6000 mm Long |
Form | Round, Billet, Ingot, Forging Etc. |
SAE 4140 / EN19 / 42CrMo4 Forged Round Bars Grade
Country names | India | USA | German | British | Japan | China | Australia | |
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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 |
In addition to standard manufacturing, we specialize in custom forging to suit specific client needs. Our production facilities are equipped with advanced forging equipment, heat treatment furnaces, and CNC machining capabilities to deliver products with exacting tolerances. This makes us the preferred 4140 custom forged bars Manufacture Stockist and Exporter in Japan, Germany, and the United States for companies seeking precision-engineered components.

Our global network, strong supply chain, and extensive stock enable us to fulfill urgent requirements without compromising on quality. From the 4140 custom forged bars Manufacture Stockist and Exporter in the United Kingdom to the 4140 custom forged bars Manufacture Stockist and Exporter in South Korea and South Africa, our commitment remains the same – to deliver world-class products backed by technical expertise and exceptional customer service.
Super Metal Manufacturing Co., clients gain a partner that values quality, reliability, and long-term relationships. Our 4140 custom forged bars are more than just steel products – they are a testament to our manufacturing excellence, global reach, and dedication to serving industries worldwide.
4140 / EN19 / 42CrMo4 Forged Round Bars Dimensions Standard
Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter |
Round (kg) |
Round (cm²) |
Round (cm) |
|
5.0 | 0.15 | 0.20 | 1.57 |
5.5 | 0.19 | 0.24 | 1.78 |
6.0 | 0.22 | 0.28 | 1.88 |
7.0 | 0.30 | 0.38 | 2.20 |
8.0 | 0.39 | 0.50 | 2.51 |
9.0 | 0.50 | 0.64 | 2.83 |
10 | 0.63 | 0.79 | 3.14 |
11 | 0.75 | 0.95 | 3.46 |
12 | 0.89 | 1.13 | 3.77 |
14 | 1.21 | 1.54 | 4.40 |
16 | 1.58 | 2.01 | 5.03 |
18 | 2.00 | 2.54 | 5.65 |
20 | 2.47 | 3.14 | 6.28 |
22 | 2.98 | 3.80 | 6.91 |
25 | 3.85 | 4.91 | 7.85 |
28 | 4.83 | 6.16 | 8.80 |
32 | 6.31 | 8.04 | 10.05 |
36 | 7.99 | 10.18 | 11.31 |
40 | 9.86 | 12.57 | 12.57 |
45 | 12.49 | 15.90 | 14.14 |
50 | 15.41 | 19.64 | 15.71 |
56 | 19.34 | 24.63 | 17.59 |
63 | 24.47 | 31.17 | 19.79 |
71 | 31.08 | 39.59 | 22.31 |
80 | 39.46 | 50.27 | 25.13 |
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.