42CrMo4 Bars

Super Metal Manufacturing Co. is a leading supplier and manufacturer of 42CrMo4 Bars, offering high-performance alloy steel products that meet international quality standards. Known for their excellent mechanical strength, toughness, and hardenability, 42CrMo4 Bars are used extensively in engineering and industrial applications. The company delivers precision-engineered solutions for demanding sectors such as automotive, oil and gas, heavy machinery, and power generation.

These 42CrMo4 Bars are made from chromium-molybdenum alloy steel conforming to EN 10083-3 specifications and DIN 1.7225 standards. The material offers superior tensile strength and impact resistance, making it suitable for components that endure high loads and stress. Super Metal Manufacturing Co. offers these bars in various forms, including hot rolled, cold drawn, peeled, turned, and ground finish, with sizes customized to client requirements.


The company ensures that its 42CrMo4 Bars undergo rigorous quality checks at every production stage. These bars are heat-treated through processes such as quenching and tempering to optimize hardness and toughness. As a result, they offer excellent wear resistance, making them ideal for manufacturing shafts, gears, crankshafts, spindles, and other machine parts that demand reliable performance.

Material Specification Chart of 4140 / EN19 / 42crmo4 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. also provides detailed test certificates and ensures compliance with international standards such as ASTM, EN, AISI, and BS. Their 42CrMo4 Bars are tested for chemical composition, mechanical strength, ultrasonic flaws, and dimensional accuracy. The bars also support a wide range of machining operations due to their good machinability in the annealed condition.



One of the key strengths of Super Metal Manufacturing Co. is its commitment to prompt delivery and customer satisfaction. With a large inventory of 42CrMo4 Bars in various sizes and finishes, the company can quickly meet the needs of domestic and global clients. Their supply chain efficiency and customer-first approach make them a reliable partner for critical engineering projects.


Alloy Steel 4140 / EN19 / 42crmo4 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

Frequently Asked Questions (FAQs) - 42CrMo4 Bars

Q1: What is the typical application of 42CrMo4 Bars?

A: 42CrMo4 Bars are widely used in automotive components, mechanical engineering, shafts, gears, crankshafts, spindles, and tooling equipment due to their excellent strength and durability.

Q2: Are 42CrMo4 Bars from Super Metal Manufacturing Co. heat-treated?

A: Yes, they are typically supplied in a quenched and tempered condition, providing high tensile strength and toughness for heavy-duty applications.

Q3: What sizes and finishes are available?

A: Super Metal Manufacturing Co. offers 42CrMo4 Bars in various diameters and finishes such as hot rolled, peeled, ground, and cold drawn. Custom sizes and lengths can also be manufactured on request.

Q4: Do you provide test certificates for 42CrMo4 Bars?

A: Yes, all products come with material test certificates covering mechanical properties, chemical composition, and dimensional accuracy.

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: