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.


Bars manufacturer

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.


Bars manufacturer

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

Applications & Uses of ASTM AISI 4140 Alloy Steel Round Bars

Application / Component Use of 4140 Round Bar
Holder Blocks4140 Round Bar used for Holder Blocks requiring high strength and dimensional stability.
Mold Bases4140 Round Bar used for Mold Bases offering toughness and wear resistance.
Axle Shafts4140 Round Bar used for manufacturing durable and impact-resistant Axle Shafts.
Bolts & Fasteners4140 Round Bar used for high-strength Bolts and Heavy-Duty Fasteners.
Crankshafts4140 Round Bar used for Crankshafts in engines due to superior fatigue strength.
Couplings4140 Round Bar used for Couplings where high tensile strength is required.
Gears & Pinions4140 Round Bar used for Gears, Pinions, and Sprockets in heavy machinery.
Spindles4140 Round Bar used for Machine Spindles and Lathe Spindles offering rigidity and precision.
Piston Rods4140 Round Bar used for Hydraulic Piston Rods and Rams due to toughness and machinability.
Tool Holders4140 Round Bar used for Tool Holders and Fixture Components in machining setups.
Jigs & Fixtures4140 Round Bar used for Jigs and Fixtures requiring high dimensional accuracy.
Guide Rods4140 Round Bar used for Precision Guide Rods and Linear Shafts.
Collets & Chuck Bodies4140 Round Bar used for Chuck Bodies, Collets, and Clamping Components.
Hydraulic Shafts4140 Round Bar used for Hydraulic Shafts & Components under high-pressure conditions.
Logging Parts4140 Round Bar used for Logging & Drilling Equipment due to its impact resistance.
Conveyor Pins & Rolls4140 Round Bar used for Conveyor Pins, Rolls, and Bearing Supports.
Drill Collars & Tool Joints4140 Round Bar used in Oilfield Tools such as Drill Collars and Tool Joints.
Machine Components4140 Round Bar used for Heavy Machine Components and Shafts.
Gear Racks4140 Round Bar used for Gear Racks and Power Transmission Systems.
Forks & Levers4140 Round Bar used for Forks, Levers, and Steering Components.
Motor Shafts4140 Round Bar used for Electric Motor Shafts requiring precise balancing.
Tie Rods4140 Round Bar used for Tie Rods in heavy-duty mechanical linkages.
Camshafts4140 Round Bar used for Camshafts with high surface hardness and strength.
Reamer Bodies4140 Round Bar used for Reamer Bodies and Boring Tools.
Bearing Housings4140 Round Bar used for Bearing Housings and Support Frames.
Axles & Shafting4140 Round Bar used for Axles and Power Transmission Shafting.
Pump Shafts4140 Round Bar used for Pump Shafts and Rotors under fluid pressure.
Lathe Spindles4140 Round Bar used for Lathe Spindles providing stability and smooth rotation.
Die Holders4140 Round Bar used for Die Holders and Press Tool Components.
Brake Dies & Trim Dies4140 Round Bar used for Brake Dies, Trim Dies, and Press Dies.
Tooling Back-Up Plates4140 Round Bar used for Back-Up Plates in Tooling Applications.
Forming & Forging Dies4140 Round Bar used for Forging Dies and Forming Tools requiring toughness.
Hydraulic Press Parts4140 Round Bar used for Hydraulic Press Columns, Rams, and Guides.
Marine Shafts4140 Round Bar used for Marine Propeller Shafts & Deck Equipment.
Aerospace Tooling4140 Round Bar used for Aerospace Fixtures and Assembly Tooling.
Defence Components4140 Round Bar used for Defence Hardware, Launch Tubes & Armament Parts.
Power Plant Equipment4140 Round Bar used for Turbine Shafts and Rotating Components in Power Plants.
Oil & Gas Equipment4140 Round Bar used for Oilfield Equipment, Wellhead Components & Drilling Tools.
Construction Machinery4140 Round Bar used for Excavator Pins, Loader Shafts & Heavy Construction Parts.
Railway Components4140 Round Bar used for Railway Axles, Brackets & Suspension Pins.
Mining Equipment4140 Round Bar used for Mining Shafts, Crusher Pins & Wear Parts.
Windmill Shafts4140 Round Bar used for Wind Turbine Shafts and Mechanical Hubs.

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.