4140 Round Bars Manufacturer, Stockist and Exporter in Qatar

Super Metal Manufacturing Co. is a leading 4140 Round Bars Manufacturer in Qatar, supplying top-grade alloy steel bars to key industries such as oil & gas, construction, petrochemicals, automotive, and heavy engineering. Made from chromium-molybdenum alloy steel, 4140 Round Bars are known for their superior strength, excellent hardness, wear resistance, and fatigue strength. As a trusted 4140 Round Bars Stockist and Exporter in Qatar, the company delivers products that meet international standards including ASTM A29, AISI 4140, and EN equivalents.

With a reputation for reliability and precision, Super Metal Manufacturing Co. serves as a prominent 4140 Round Bars Exporter in Qatar, offering material in a wide range of sizes, finishes, and heat treatment conditions. Their bars are commonly used for shafts, crankshafts, axles, spindles, and other load-bearing components. Known for delivering the best quality 4140 Round Bars, the company supports projects across Qatar with timely deliveries, mill test certifications, and third-party inspection services.


In addition to 4140, Super Metal Manufacturing Co. also supplies 42CrMo4 Round Bars and EN19 Round Bars, both of which are widely used in Qatar’s energy, defense, and manufacturing sectors. As a reliable 42CrMo4 Round Bars Manufacturer, Stockist and Exporter in Qatar, they provide high-strength, heat-treated alloy steel bars designed for high-performance engineering applications. Their EN19 Round Bars are equally valued for applications requiring high tensile strength, impact resistance, and long service life.

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

Super Metal Manufacturing Co.’s infrastructure and expertise allow them to efficiently handle bulk and custom orders, catering to both local industries and large-scale government and private sector projects in Qatar. Their strong export capabilities, along with a customer-first approach, make them a top choice for companies needing 4140 Round Bars Exporter services in the region.



If you're seeking 4140 Round Bars, 42CrMo4 Round Bars, or EN19 Round Bars in Qatar, Super Metal Manufacturing Co. offers quality-assured products, technical support, and dependable delivery. With a focus on excellence, the company has become a leading name in alloy steel supply across the Middle East.


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, Qatar, 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, Qatar, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands.

Cities we have supplied our products to:

Bengaluru, Vung Tau, Nashik, Jaipur, Navi Qatar, 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, Qatar City, Chennai, Geoje-si, Tehran, Qatar, 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.