Alloy Steel for the weapons manufacturing industry

Super Metal Manufacturing Co. is a globally recognized manufacturer, stockist, and exporter of premium quality Alloy Steel specifically designed for the weapons manufacturing industry. Our company offers a broad spectrum of alloy steel grades, each engineered to meet the demanding mechanical, physical, and chemical requirements for military and defense applications.

Weapons systems require materials that combine high strength, durability, precision, and reliability. Alloy steels, enriched with elements like chromium, molybdenum, nickel, vanadium, and tungsten, fulfill these needs, making them the material of choice for firearms, artillery, armored vehicles, aerospace defense systems, and other military-grade equipment.


As a leading stockist and exporter, Super Metal Manufacturing Co. maintains a wide inventory of 4140 Round Bars in various sizes and lengths, catering to defense contractors, engineering firms, and machinery manufacturers. Their distribution network covers both domestic and international markets, ensuring prompt availability and on-time delivery. The company also provides custom-cut lengths, machining, and surface finishing options based on client specifications and industry standards.

Material Specification Chart of 4140 / EN19 / 42CrMo4 Round Bars

Specifications ASTM A182, ASME SA182
Standards EN, DIN, JIS, ASTM, BS, ASME, AISI
Range of A/F 10 mm To 250 mm
Finish Black, Bright Polished
Length 1000 mm Long To 6000 mm Long
Form Round (A/F),Billet, Ingot, Forging Etc.

SAE 4140 / EN19 / 42CrMo4 Round Bars

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

1. Firearm Barrels and Receivers:

  • Grades: 4140, 4150, and 4340 Alloy Steel
  • Properties: High strength, precision machinability, heat-treated hardness
  • Used in: Rifles, handguns, shotguns, submachine guns

2. Structural Weapon Components:

  • Grades: 4340 and Maraging Steels
  • Properties: High impact resistance, load-bearing capacity
  • Used in: Artillery systems, armored vehicles, aircraft weapon mounts

3. Edged Weapons (Blades, Bayonets):

  • Grade: 5160 Alloy Steel
  • Properties: Flexibility, toughness, edge retention
  • Used in: Military knives, swords, bayonets, tactical blades

4. Aerospace and Advanced Defense Systems:

  • Grade: Maraging Steels
  • Properties: Ultra-high strength, excellent toughness, long service life
  • Used in: Missile systems, aerospace weaponry, advanced defense technologies

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.