4140 Round Bar Manufacturer

Super Metal Manufacturing Co. is a renowned 4140 round bar manufacturer, specializing in producing premium-grade alloy steel bars for industries worldwide. Our 4140 custom forged bars are known for their superior mechanical properties, combining excellent tensile strength, wear resistance, and toughness. Manufactured to international standards, these bars are widely used in automotive, oil & gas, engineering, and heavy machinery sectors where reliability is paramount. We are a trusted 4140 custom forged bars Manufacture, Stockist, and Manufacturer in Saudi Arabia, Bahrain, Spain, UAE, Oman, Qatar, Kuwait, Japan, Germany, the United States, the United Kingdom, South Korea, and South Africa, delivering high-quality products to meet global industrial demands.

The 4140 grade steel we use is a chromium-molybdenum alloy that offers high hardenability and resistance to impact, making it ideal for heavy-duty applications. At our advanced manufacturing facilities, we produce 4140 custom forged bars in various heat-treatment conditions such as annealed, normalized, or quenched and tempered, depending on customer requirements. As a leading 4140 custom forged bars Manufacture Stockist and Manufacturer in Qatar, Kuwait, Spain, UAE, and Oman, we focus on delivering bars with precise dimensions, excellent surface finish, and consistent metallurgical quality.


Our production process is backed by state-of-the-art forging equipment, CNC machining capabilities, and heat treatment furnaces. This enables us to manufacture 4140 custom forged bars that can be tailored for applications such as gears, shafts, crankshafts, bolts, couplings, and oilfield drilling tools. Whether it is 4140 custom forged bars Manufacture Stockist and Manufacturer in Japan, Germany, or the United States, Super Metal Manufacturing Co. ensures each product meets the strictest quality standards and performs reliably in demanding operating conditions.

Material Specification Chart of 4140 Round Bar

Specifications ASTM A182, ASME SA182
Standards EN, DIN, JIS, ASTM, BS, ASME, AISI
Range of Diameter 5mm 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 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

We maintain a large inventory to serve urgent and bulk requirements, making us a dependable supplier for industries with tight project schedules. From 4140 custom forged bars Manufacture Stockist and Manufacturer in the United Kingdom to 4140 custom forged bars Manufacture Stockist and Manufacturer in South Korea and South Africa, we are committed to offering quick delivery without compromising quality. Our logistics network ensures seamless export operations, delivering products to clients across the globe on time.



Super Metal Manufacturing Co. has built a strong reputation by combining technical expertise with a customer-first approach. As a global leader in 4140 custom forged bars Manufacture Stockist and Manufacturer in the United States and beyond, we aim to provide products that not only meet but exceed client expectations. Every bar we produce is a reflection of our dedication to precision engineering, material integrity, and long-term performance.

By choosing Super Metal Manufacturing Co., customers are assured of receiving 4140 round bars that are engineered for excellence, backed by robust manufacturing capabilities, and supported by a worldwide supply network. Our focus on innovation, quality, and service has made us a preferred partner for industries seeking dependable and high-performance alloy steel solutions.


Alloy Steel 4140 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 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.