4140 forged round bars Manufacturer, Stockist and Exporter

Super Metal Manufacturing Co. is a well-established name in the steel industry as a leading manufacturer, stockist, and exporter of 4140 forged round bars. Manufactured from high-grade chromium-molybdenum alloy steel, our 4140 forged bars are known for their exceptional mechanical properties, superior toughness, and excellent wear resistance. These forged bars are produced under stringent quality controls to meet international standards like ASTM A29 and AISI 4140, and are widely used in demanding sectors such as defense, oil & gas, power generation, heavy machinery, and automotive manufacturing.

As a trusted 4140 forged round bars manufacturer, stockist, and exporter in Saudi Arabia, Qatar, and Kuwait, we cater to industries that require precision-engineered components capable of withstanding extreme loads and environmental stress. Our 4140 forged bars are ideal for applications such as gears, shafts, drill collars, rotors, and crankshafts. With excellent hardenability and impact strength, these bars offer enhanced performance, even under extreme conditions.


We also supply and export to markets in Spain, UAE, Oman, and Bahrain, where our forged bars are in high demand due to their durability, dimensional accuracy, and superior surface finish. At Super Metal Manufacturing Co., we maintain a wide stock range of 4140 forged round bars in various diameters, lengths, and heat-treated conditions (annealed, normalized, quenched & tempered). Custom cut-to-size services and machining options are also available to meet the exact needs of each project.

Material Specification Chart of 4140 forged round bars

Specifications ASTM A182, ASME SA182
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 forged round 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

Our global presence includes being a key 4140 forged round bars manufacturer, stockist, and exporter in Japan, Germany, and South Korea, delivering to sectors such as defense manufacturing, construction equipment, aerospace parts, and shipbuilding. We ensure timely delivery, export-compliant packaging, and full documentation including Material Test Certificates (MTCs), third-party inspection reports, and origin certification as required by international buyers.



As a leading exporter in the western markets, Super Metal Manufacturing Co. is a trusted 4140 forged round bars manufacturer, stockist, and exporter in the United States, the United Kingdom, and South Africa. Our export operations are supported by efficient logistics, transparent processes, and technical expertise that enables us to meet large-scale and urgent orders without compromising quality. With every shipment, we deliver reliability, consistency, and a commitment to excellence.

If you're looking for a reliable 4140 forged round bars manufacturer, stockist, and exporter in Saudi Arabia, Qatar, Kuwait, Spain, UAE, Oman, Japan, Germany, United States, United Kingdom, South Korea, or South Africa, Super Metal Manufacturing Co. is your trusted partner for high-performance alloy steel solutions.


4140 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.

Countries we have exported our products to:

Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands.

Cities we have supplied our products to:

Bengaluru, Vung Tau, Nashik, Jaipur, Navi Mumbai, La Victoria, Al Jubail, Noida, Granada, Doha, Dammam, Ernakulam, Chandigarh, Santiago, Melbourne, Surat, Nagpur, Ranchi, Kanpur, Jakarta, Ahvaz, Indore, Jamshedpur, Muscat, Rajkot, Lahore, Chiyoda, Milan, Hong Kong, Riyadh, Houston, Busan, Calgary, Madrid, Visakhapatnam, Atyrau, Bhopal, Algiers, Colombo, Kolkata, Petaling Jaya, Dallas, London, Cairo, Thiruvananthapuram, Caracas, Howrah, Moscow, Port-of-Spain, Baroda, Mexico City, Gurgaon, Singapore, Aberdeen, Coimbatore, Kuala Lumpur, Perth, Ahmedabad, New York, New Delhi, Manama, Abu Dhabi, Montreal, Jeddah, Pune, Vadodara, Kuwait City, Chennai, Geoje-si, Tehran, Mumbai, Hanoi, Karachi, Pimpri-Chinchwad, Thane, Haryana, Ulsan, Seoul, Dubai, Ho Chi Minh City, Toronto, Hyderabad, Los Angeles, Faridabad, Lagos, Sydney, Courbevoie, Bangkok, Bogota, Rio de Janeiro, Ankara, Al Khobar, Ludhiana, Istanbul, Gimhae-si, Brisbane, Edmonton, Sharjah, Secunderabad.