4140 Hex Bars Manufacturer, Stockist and Exporter

Super Metal Manufacturing Co. is a leading manufacturer, stockist, and exporter of 4140 Hex Bars, offering high-performance alloy steel products to industries worldwide. 4140 Hex Bars are widely known for their excellent combination of strength, toughness, and wear resistance, making them suitable for critical applications in sectors such as automotive, construction, oil and gas, machinery, and defense. Super Metal Manufacturing Co. supplies these bars in various sizes and specifications, adhering to international standards like ASTM A29, AISI 4140, and EN standards to meet diverse industrial needs.

As a trusted 4140 Hex Bars Manufacturer, Super Metal Manufacturing Co. utilizes high-grade raw materials and advanced manufacturing processes to produce hex bars with precise dimensions and superior mechanical properties. Their 4140 Hex Bars exhibit properties such as high tensile strength, fatigue resistance, and impact resistance, making them ideal for manufacturing fasteners, gears, shafts, and mechanical components. The company maintains strict quality control processes, ensuring each batch of products meets stringent dimensional and metallurgical standards before dispatch.


Super Metal Manufacturing Co. also functions as a reliable 4140 Hex Bars Stockist, maintaining a ready inventory of different sizes and finishes to fulfill urgent customer requirements. The company’s strategically managed stock helps reduce lead times and ensures consistent availability for both small and large-scale industrial projects. This service approach is complemented by value-added services such as cutting, machining, and heat treatment as per client specifications, offering customized solutions for specific application needs.

Material Specification Chart of 4140 Hex Bars

Specifications ASTM A182, ASME SA182
Standards EN, DIN, JIS, ASTM, BS, ASME, AISI
Range of A/F 10 mm To 250 mm
Finish Black, Bright Polished
Length 1000 mm Long To 6000 mm Long
Form Hex (A/F),Billet, Ingot, Forging Etc.

SAE 4140 Hex Bars

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

As a global 4140 Hex Bars Exporter, Super Metal Manufacturing Co. supplies its products to markets in the Middle East, Europe, Africa, and Asia. Their efficient logistics and supply chain management systems ensure prompt and secure delivery to various international destinations. The company is recognized for providing competitively priced products without compromising on quality, earning long-term trust from its clients worldwide. Additionally, their experienced team provides full technical support, helping clients select the right material grade and size for their projects.



Super Metal Manufacturing Co. stands as a dependable manufacturer, stockist, and exporter of 4140 Hex Bars. Their commitment to quality, precision engineering, and customer service makes them a preferred supplier for industries requiring robust and reliable alloy steel products. Whether for fasteners, machine parts, or structural components, businesses can rely on Super Metal Manufacturing Co. for consistent quality, competitive pricing, and timely delivery of 4140 Hex Bars tailored to their specific requirements.

By consistently delivering top-grade alloy steel products and maintaining global export standards, Super Metal Manufacturing Co. continues to be a trusted name in the supply of 4140 Hex Bars across international markets.


Alloy Steel 4140 Hex Bars Dimensions Standard

Hex Size (Across Flats) Approx. Weight (kg/m) Tolerances (mm)
10 mm 0.67 kg/m ±0.30
12 mm 0.97 kg/m ±0.30
14 mm 1.33 kg/m ±0.30
17 mm 1.91 kg/m ±0.30
19 mm 2.45 kg/m ±0.30
22 mm 3.29 kg/m ±0.30
24 mm 3.80 kg/m ±0.30
27 mm 4.78 kg/m ±0.50
30 mm 5.88 kg/m ±0.50
32 mm 6.62 kg/m ±0.50
36 mm 8.50 kg/m ±0.50
41 mm 11.18 kg/m ±0.50
46 mm 14.01 kg/m ±0.50
50 mm 16.28 kg/m ±0.50

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.

Cities we have supplied our products to:

Cities we have supplied our products to: