SAE 4340 Round Bar / Rod Supplier

Steelo Fabrica is a well-known supplier, dealer, and stockholder of SAE-4340 Round Bar and Rod. Our company is engaged in manufacturing the highest quality products like SAE-4340 Round Bar and Rod. We manufacture these round bars according to national and international standards. Our products are highly recommended by our clients due to their long service life and sturdy construction.

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Why is SAE 4340 alloy used?
SAE-4340 steel alloy contains chemical elements, which are carbon, manganese, phosphorous, sulfur, silicon, nickel, chromium, and molybdenum. This alloy is known for its toughness and its ability to attain high strength in heat treated conditions. It also shows resistance to fatigue. SAE-4340 alloy contains a slightly higher carbon content. Due to carbon content, this alloy offers better rigidity and provides the capability to heat treatment. It has high weldability characteristics. This alloy steel has good pliable and formability in the annealed condition. It can be twisted or formed by pressing or turning over in the annealed condition. This alloy was welded using the resistance welding method.

What is the SAE-4340 Round Bar?
SAE-4340 Round bars contain medium carbon, chromium, and molybdenum alloy with the addition of vanadium alloy for better hardening. Due to chemical composition, these round bars are able to work in severe conditions. These round bars also show high strength in severe conditions. Our Round bars are one of the best round bars because it’s durable and leak proof properties.

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Mechanical properties of SAE-4340 Round bars and rods:
Our company offers these round bars, and rods show good mechanical properties like
• Tensile Strength
• Yield Strength,
• Elastic Modulus
• Elongation at break Hardness.

Our round bars and rods also show physical and thermal properties like low density and high melting point, thermal conductivity, and thermal coefficient of thermal expansion.

Applications of SAE-4340 Round Bar and Rod:
• Automotive
• Oil and Gas Drilling
• General Engineering Industry and structural use applications like gears, heavy duty shafts.

ASTM A-29

ASME SA-29

DIN
1.6511

UNS G43400

SAE 4340 Round Bar / Rod Specification

Specification : ASTM A29, ASME SA29

Grade: 4340

Specification : Alloy Steel 4340 Bar

Square bar size : 4 to 100mm

Section : 3.0 to 12.0mm thickness

Round bar size : Diameter: 3-~800mm

Hex Bar size : 2-100mm A/F

Flat bar size : Thickness: 2 -100mm, Width: 10 to 500mm

Rectangles Size : 33 x 30mm to 295 x 1066mm

Hollow Bar : 32mm OD x 16mm ID to 250mm OD x 200mm ID)

Billet Size : 1/2″ to 495mm Diameter

Surface : Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline

Technique : AISI/SAE 4340 alloy steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod

Condition : Hardened & tempered, annealed

Finish : Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black

Form : Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Processing : Bar cutting to 650mm

Equivalent Grades of SAE 4340 Round Bars / Rods

Country USA Britain Britain Japan
Standard ASTM A29 EN 10250 BS 970 JIS G4103
Grades 4340 36CrNiMo4/
1.6511
EN24/817M40 SNCM 439/SNCM8

SAE 4340 Round Bars / Rods Surface finish

CD Cold drawn P Polished
BD Bright drawn SRE Slit rolled edge
CG Centreless ground HF Hot finished
CF Cold finished HRAP Hot rolled annealed and pickled
P&T Peeled and turned RT Rough turned/peeled
ST Smooth turned PR Peeled and reeled

Most Selling Types Of ASTM A29 SAE 4340 Round Bars / Rods

Rectangular Bar

SAE 4340 Square Bar

  • Alloy Steel SAE 4340 Square Bar
  • SAE 4340 Square Bars Supplier
  • AISI 4340 Chrome Moly Square Rods
  • Alloy Steel 1.6511 Square Rods
  • UNS G43400 Square Rods
  • ASTM A29 Alloy Steel SAE 4340 Square Bars
  • ASME SA29 Chrome Moly SAE 4340 Square Rods
Square Bars

SAE 4340 Hex Bar

  • Alloy Steel SAE 4340 Hex Bar
  • SAE 4340 Hexagon Bars Supplier
  • AISI 4340 Chrome Moly Hex Rods
  • Alloy Steel 1.6511 Hex Rods
  • UNS G43400 Hex Rods
  • ASTM A29 Alloy Steel SAE 4340 Hexagon Bars
  • ASME SA29 Chrome Moly SAE 4340 Hex Rods
Hex Bars

SAE 4340 Rectangular Bar

  • Alloy Steel SAE 4340 Rectangle Bar
  • SAE 4340 Rectangular Bars Supplier
  • AISI 4340 Chrome Moly Rectangle Rods
  • Alloy Steel 1.6511 Rectangle Rods
  • UNS G43400 Rectangle Rods
  • ASTM A29 Alloy Steel SAE 4340 Rectangular Bars
  • ASME SA29 Chrome Moly SAE 4340 Rectangle Rods

AISI/SAE 4340 Alloy Steel Bars / Rods Standard lengths

5.0 45.0
6.0 50.0
7.0 55.0
8.0 60.0
9.0 65.0
10.0 70.0
12.0 75.0
16.0 80.0
20.0 90.0
25.0 100.0
30.0 130.0
35.0 160.0
40.0 200.0

HOW TO GET BEST PRICE OF SAE 4340 Round Bars / Rods ?
If looking for SAE 4340 Round Bars / Rods in exact length so first check Alloy Steel SAE 4340 price per KG in India and calculate with wight chart before negotiating with your supplier.

SAE 4340 Round Bars / Rods Chemical Composition Chart

Steel Grade (UNS) C Si Mn P (≤) S (≤) Ni Cr Mo
4340 alloy steel (UNS G43400) 0.38-0.43 0.15-0.35 0.60-0.80 0.035 0.04 1.65-2.00 0.70-0.90 0.20-0.30

SAE 4340 Round Bars / Rods Mechanical Properties

AISI 4340 Mechanical Properties
Steel Condition Tensile strength, MPa (ksi), ≥ Yield strength, MPa (ksi), ≥ Elongation in 50 mm (2 in.), ≥ Reduction in area, %, ≥ Hardness, HB, ≤
4340 Normalized at 870 °C (1600 °F) 1282 (186) 862 (125) 12.2 36.3 363
Annealed at 810 °C (1490 °F) 745 (108) 470 (68) 22.0 50.0 217
Oil quenched from 800 °C (1475 °F) and tempered at 540 °C (1000 °F) 1207 (175) 1145 (166) 14.2 45.9 352

Different Types of SAE 4340 Round Bars / Rods

  • SAE 4340 Cr-Mo Cold Rolled Bar
  • SAE 4340 Rectangular Bars Stockist
  • AISI 4340 CrMo Industrial Bars Rods
  • SAE 4340 Hexagonal Rods & Bars
  • Alloy Steel SAE 4340 Hollow Bar Supplier
  • SAE 4340 Alloy Steel Triangle Bar
  • Alloy Steel SAE 4340 Threaded Bar
  • SAE 4340 Chrome Moly Steel Flat Bar
  • SAE 4340 Round Bars Manufacturer
  • Alloy Steel 1.6511 Round Bar
  • AISI 4340 Alloy Steel Hex Bar
  • SAE 4340 Chrome Molybdenum Cold Drawn Round bar
  • SAE 4340 Alloy Steel Rods Exporter
  • Alloy Steel SAE 4340 Spring Bar
  • ASTM A29 Alloy Steel SAE 4340 Black Bar
  • Alloy Steel AISI 4340 Precision Ground Bar
  • Cr-Mo SAE 4340 Round Rods Stockist
  • ASME SA29 Alloy Steel SAE 4340 Half-Round Bars
  • Alloy Steel SAE 4340 Rods Dealers
  • Alloy Steel G43400 Round Rods
  • SAE 4340 Alloy Steel T-Bar
  • SAE 4340 Forged Rods Supplier

SAE 4340 Round Bars / Rods Applications and Uses

We offer a broad range of ASTM A29 SAE 4340 Round Bars through a worldwide network of stock-keeping branches. These SAE 4340 Alloy Steel Round Bar is use in various industries like :
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Countries Where We Export

Belgium, Taiwan, Tunisia, Kenya, Nigeria, Romania, Peru, Qatar, Hong Kong, Belarus, Finland, Morocco, Hungary, Mongolia, Italy, Argentina, Singapore, Bangladesh, Angola, Poland, Czech Republic, Portugal, Costa Rica, Croatia, Bhutan, Bulgaria, Egypt, Ecuador, Azerbaijan, Gabon, Serbia, Brazil, Turkey, Spain, Chile, Switzerland, Thailand, New Zealand, Bolivia, China, South Africa, Netherlands, Iran, Norway, Trinidad & Tobago, United States, Russia, Saudi Arabia, Jordan, Pakistan, Estonia, Denmark, United Arab Emirates, Mexico, Australia, Kuwait, Malaysia, Austria, Philippines, Iran, Lithuania, South Korea, Greece, Slovakia, Nigeria, Lebanon, Sri Lanka, Ghana, Ukraine, Yemen, Vietnam, Iraq, France, Japan, Libya, Venezuela, Colombia, Indonesia, United Kingdom, Israel, Afghanistan, Canada, Chile, Poland, Oman, Kazakhstan, Mexico, Bahrain, Sweden, Algeria.

Cities Where We Export

Bengaluru, Jamshedpur, Ahvaz, Istanbul, Jaipur, Seoul, Ulsan, Visakhapatnam, Vadodara, Jeddah, Howrah, Ahmedabad, Caracas, Pune, Bogota, Chennai, Bangkok, Thane, Bhopal, Navi Mumbai, Faridabad, Ernakulam, Surat, Rajkot, Rio de Janeiro, Dallas, Kuwait City, Indore, Nashik, Calgary, Ludhiana, Kanpur, Dammam, Gurgaon, Chiyoda, New York, Jakarta, Ankara, Brisbane, Thiruvananthapuram, Secunderabad, Riyadh, Pimpri-Chinchwad, Chandigarh, Nagpur, Atyrau, New Delhi, Melbourne, Mumbai, Ranchi, Edmonton, Milan, Tehran, Baroda, Algiers, Noida, Coimbatore, Port-of-Spain, Muscat, Houston, Haryana, Hyderabad, Al Jubail, Lagos, Granada, Madrid, Doha, Cairo, Busan, Ho Chi Minh City, Aberdeen, Abu Dhabi, Karachi, Toronto, Kolkata, Manama, Courbevoie, Sharjah.

Steelo Fabrica is an ISO 9001:2015 Certified Manufacturer, Wholesaler, Supplier, Importer, Exporter, and Trader of a wide range of Bars and wires in a variety of materials like Stainless Steel, Duplex Steel, Inconel, Nickel, Hastelloy Titanium and Tantalum, Carbon Steel and more.

CONTACT

27 2nd Floor Rangwala Building, N D Road, 58, Islampura Street, Cawasji Patel Tank, Bhuleshwar, Mumbai, Maharashtra 400004


+91 22 67437798 / 9819044957


[email protected]
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