EN19 Black Bars Supplier

Super Metal Manufacturing Co. is a trusted and experienced EN19 Black Bars Supplier, delivering high-performance alloy steel products for a wide range of engineering and industrial applications. EN19, also known as 4140 or 1.7225, is a chromium-molybdenum alloy steel known for its high tensile strength, good ductility, and excellent wear resistance.

EN19 Black Bars are supplied in hot-rolled condition with a black surface finish, commonly used in applications where machining, forging, or further processing is required. These bars are ideal for manufacturing automotive shafts, gears, bolts, connecting rods, and general engineering components that are exposed to dynamic and static loads.


As a reputed EN19 Black Bars Supplier, Super Metal Manufacturing Co. offers bars in various sizes, lengths, and tolerance levels. They adhere to international quality standards such as ASTM, DIN, and BS, ensuring each product meets the mechanical and metallurgical requirements demanded by industries like construction, oil & gas, railways, and agriculture.

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

The company’s commitment to quality and customer satisfaction sets it apart. Each batch of EN19 black bars is thoroughly tested for hardness, chemical composition, tensile strength, and internal soundness. With fast turnaround times, competitive pricing, and technical support, Super Metal Manufacturing Co. has become a go-to source for clients worldwide.



Super Metal Manufacturing Co. is a leading EN19 Black Bars Supplier, delivering high-quality alloy steel bars suitable for a wide range of industrial and engineering applications. Known for its high tensile strength, wear resistance, and excellent toughness, EN19 alloy steel is widely used in the manufacturing of gears, shafts, spindles, bolts, and other critical components. Supplied in a hot-rolled black finish, these bars are ideal for forging, machining, and heat treatment processes. As a reliable EN19 Black Bars Supplier, Super Metal Manufacturing Co. ensures each product meets strict quality standards, offering custom sizes, precise tolerances, and timely delivery to meet the needs of global customers.


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 EN19 Black Bars Supplier

Q1: What are EN19 black bars commonly used for?

A1: EN19 black bars are commonly used in manufacturing shafts, gears, axles, spindles, and other high-strength automotive and engineering components.

Q2: What surface finish do EN19 black bars have?

A2: EN19 black bars typically have a hot-rolled black oxide scale finish, which makes them suitable for forging, machining, and further heat treatment.

Q3: Can EN19 black bars be heat treated?

A3: Yes, EN19 black bars can undergo heat treatment processes such as quenching and tempering to enhance hardness and mechanical properties.

Q4: Does Super Metal Manufacturing Co. offer custom sizes for EN19 black bars?

A4: Yes, Super Metal Manufacturing Co. supplies EN19 black bars in customized diameters, lengths, and tolerances to meet specific customer requirements.

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: