4140 Round Bars Supplier

Super Metal Manufacturing Co. is a renowned 4140 round bars supplier known for delivering premium quality alloy steel products that cater to diverse industrial applications. The company specializes in producing and supplying 4140 round bars, a versatile steel grade widely recognized for its excellent mechanical properties, including high tensile strength, toughness, and wear resistance. These bars are used in critical manufacturing sectors such as automotive, aerospace, construction, and heavy machinery.

4140 steel is a chromium-molybdenum alloy steel that offers an excellent balance of strength, toughness, and hardness, making it an ideal material for demanding engineering applications. As a trusted 4140 round bars supplier, Super Metal Manufacturing Co. ensures that all their products meet strict international standards such as ASTM A29, SAE J405, and DIN EN 10083, guaranteeing consistent quality and performance.


One of the key advantages of sourcing 4140 round bars from Super Metal Manufacturing Co. is their commitment to quality control. Each batch of bars undergoes rigorous inspections including chemical analysis, hardness testing, and ultrasonic flaw detection. This ensures that every product delivered is free from defects and conforms to the precise specifications required by customers across industries.

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

Heat treatment plays a critical role in enhancing the properties of 4140 round bars. Super Metal Manufacturing Co. employs advanced heat treatment processes like quenching and tempering to optimize the bars’ mechanical performance. This process improves the bars' strength, toughness, and wear resistance, making them suitable for manufacturing gears, shafts, bolts, and other high-stress components.



Dimensional precision and surface finish are other hallmark features of 4140 round bars supplied by Super Metal Manufacturing Co. The company offers bars in a wide range of diameters and lengths, with tight tolerances and smooth finishes to facilitate ease of machining and fabrication. This flexibility allows customers to choose products tailored to their exact project requirement.


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

FAQs About 4140 Round Bars Supplier

Q1: What industries commonly use 4140 round bars?

A1: 4140 round bars are widely used in automotive, aerospace, construction, oil and gas, and heavy machinery industries due to their strength and durability.

Q2: What standards do Super Metal Manufacturing Co.’s 4140 round bars comply with?

A2: The 4140 round bars comply with international standards such as ASTM A29, SAE J405, and DIN EN 10083 to ensure consistent quality.

Q3: Can I get custom sizes of 4140 round bars from Super Metal Manufacturing Co.?

A3: Yes, the company offers 4140 round bars in various diameters and lengths, with customization options to meet specific project requirements.

Q4: What heat treatment processes are used for 4140 round bars?

A4: Quenching and tempering are typically applied to enhance mechanical properties like strength, hardness, and toughness.

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: