4140 / EN19 / 42crmo4 Forged Flat Bars Manufacturer, Stockist and Exporter

Super Metal Manufacturing Co. is a well-established manufacturer, stockist, and exporter of forged flat bars, backed by over five decades of experience and a robust 20-acre plant in Mumbai, India Utilizing state-of-the-art in-line forge presses and comprehensive steelmaking processes, the company produces carbon, alloy, and stainless-steel flat bars in a wide size range. All products adhere to critical aerospace and defense specifications such as AMS 2301 and AMS 2304, ensuring high reliability under demanding conditions​

Forged flat bars from Super Metal Manufacturing Co. benefit from the forging process's inherent strengths: superior grain structure, high mechanical strength, fatigue resistance, and toughness . These mechanical attributes make them especially suitable for high-stress applications found in defense, heavy machinery, and aerospace sectors. Additionally, the company's rigorous quality practices—including third-party inspections and comprehensive mill test certifications—ensure traceability and compliance with international standards


Super Metal Manufacturing Co. adheres to stringent quality control measures, ensuring that each piece is accompanied by test certificates and reports. Their products undergo various mechanical and chemical tests, including tensile strength, hardness, and chemical composition analyses, to meet international standards. The company offers these steel bars in various conditions, such as bright, annealed, and quenched and tempered, catering to diverse customer requirements.

Material Specification Chart of 4140 / EN19 / 42crmo4 Forged Flat Bars

Specifications ASTM A182, ASME SA182
Standard EN, DIN, JIS, ASTM, BS, ASME, AISI
Range of Width 6mm to 250mm
Thickenss 6mm to 500mm
Finish Black, Bright Polished
Length 1000 mm Long To 6000 mm Long
Form Flat, Billet, Ingot, Forging Etc.

SAE 4140 / EN19 / 42crmo4 Forged Flat 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

A notable exporter with a global footprint—including markets in the USA, UK, Australia, and the Middle East—Super Metal ensures timely deliveries and consistent quality across borders .The company offers value-added services such as custom forging, third-party inspections, and tailored finishing, allowing clients to receive near-net-shape parts optimized for their end-use applications—saving machining time and enhancing performance.



In addition to their manufacturing capabilities, Super Metal Manufacturing Co. provides value-added services such as third-party inspections, quick delivery, quality assurance, product sourcing, packaging, and customer support. These services are designed to enhance customer satisfaction and ensure that products meet specific requirements and standards.


Alloy Steel 42crmo4 Forged Flat Bars Dimensions Standard

Diameter or
Width
(mm)
Weight per meter Sectional Area Perimeter
Square
(kg)
Square
(cm²)
Square
(cm)
5.0 0.20 0.25 2.0
5.5 0.24 0.30 2.2
6.0 0.28 0.36 2.4
7.0 0.38 0.49 2.8
8.0 0.50 0.64 3.2
9.0 0.64 0.81 3.6
10 0.73 1.00 4.0
11 0.95 1.21 4.4
12 1.13 1.44 4.8
14 1.54 1.96 5.6
16 2.01 2.56 6.4
18 2.54 3.24 7.2
20 3.14 4.00 8.0
22 3.80 4.84 8.8
25 4.91 6.25 10.0
28 6.15 7.84 11.2
32 8.04 10.24 12.8
36 10.17 12.96 14.4
40 12.56 16.00 16.0
45 15.90 20.25 18.0
50 19.62 25.00 20.0
56 24.62 31.36 22.4
63 31.16 36.69 25.2
71 39.57 50.41 28.4
80 50.24 64.00 32.0

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.