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EN 10083-3 alloy bars and plates

EN 10083-3 39MnCrB6-2 Alloy Steel Bar

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Description

EN 10083-3 39MnCrB6-2 is a boron-alloyed manganese-chromium steel grade developed for applications requiring high strength, superior hardenability, and excellent wear resistance after quenching and tempering. The addition of boron (B) in controlled amounts significantly increases hardenability, allowing deep and uniform hardening even in large diameter bars. With a nominal carbon content of approximately 0.39%, along with manganese and chromium as key alloying elements, 39MnCrB6-2 steel provides enhanced tensile strength and improved fatigue performance compared to lower carbon boron steels. This grade is manufactured in accordance with EN 10083-3, which specifies technical delivery conditions for alloy steels for quenching and tempering. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of EN 10083-3 39MnCrB6-2 alloy steel bars, supplied with certified mill test certificates and strict quality assurance. Forms of Supply (as per grade): Hot rolled round bars, black round bars, forged bars, peeled bars, bright round bars, square bars, flat bars Explanation of Designation (39MnCrB6-2): • 39 – Approx. 0.39% carbon content • Mn – Manganese for strength and improved hardenability • Cr – Chromium for enhanced wear resistance and depth of hardening • B – Boron for significantly increased hardenability • 6-2 – Indicates alloying content range as per EN standard Chemical Composition (% – typical limits): • Carbon (C): 0.36 – 0.42 • Manganese (Mn): 1.20 – 1.50 • Silicon (Si): ≤ 0.40 • Chromium (Cr): 0.30 – 0.60 • Boron (B): 0.0008 – 0.0050 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.035 Mechanical Properties (Typical, quenched & tempered condition): • Tensile Strength: 950 – 1150 MPa • Yield Strength: ≥ 750 MPa • Elongation: ≥ 9 – 11% • Hardness: 280 – 340 HB (depending on heat treatment and section size) Key Features: • High carbon boron-alloyed steel with superior hardenability • High strength and improved fatigue resistance • Uniform mechanical properties in thick sections • Good wear resistance after heat treatment • Suitable for heavily loaded mechanical components Material Characteristics: EN 10083-3 39MnCrB6-2 alloy steel bar offers enhanced hardenability due to boron addition, ensuring deep hardening capability and consistent strength throughout the cross section. The higher carbon content provides increased hardness and tensile strength, making it suitable for demanding engineering applications. Applications: • Heavy-duty shafts and axles • Automotive drivetrain and suspension components • Gears and transmission parts • Agricultural and construction machinery components • High-strength bolts and mechanical fasteners Conclusion: Ladhani Metal Corporation supplies premium quality EN 10083-3 39MnCrB6-2 alloy steel bars in various sizes and finishes to meet demanding industrial requirements. With high strength, superior hardenability, and reliable performance after heat treatment, 39MnCrB6-2 steel bars are an ideal choice for automotive and heavy engineering applications. For size availability, technical specifications, or customized supply requirements, contact Ladhani Metal Corporation. #EN10083 #EN100833 #EN100833Steel #EN10083AlloySteel #EN10083EngineeringSteel #ENStandardSteel #AlloySteel #ChromiumSteel #34Cr4 #42Cr4 #50Cr4 #EngineeringSteelBars #AlloySteelBars #AlloySteelRods #RoundBar #FlatBar #SquareBar #HexBar #ForgingSteel #MachinerySteel #AutomotiveSteel #MechanicalSteel #ShaftSteel #GearSteel #AxleSteel #CrankshaftSteel #BoltSteel #MachinePartsSteel #HeatTreatableSteel #NormalizedSteel #AnnealedSteel #QuenchedTemperedSteel #SteelManufacturers #SteelSuppliers #SteelStockist #SteelExporter #IndianSteel #AlloySteelSupplier #EN100833Supplier #EN100833Manufacturer #EN100833Exporter #SteelBarsIndia #SteelRodsIndia #MetalIndustry #IndustrialSteel #InfrastructureSteel #EngineeringIndustry #HeavyEngineeringSteel #FabricationSteel #SteelTrading #SteelWholesale #LadhaniMetal #Mumbai #Delhi #Chennai #Kolkata #Pune #Ahmedabad #Hyderabad #Bengaluru #Coimbatore #Surat #Vadodara #Rajkot #Nashik #Indore #Nagpur #Ludhiana #Faridabad #Noida #Visakhapatnam #Bhubaneswar #Jamshedpur #Patna #Ranchi #Jaipur #Lucknow #Kanpur #Bhopal #Chandigarh #Amritsar #Kochi #Trivandrum #Goa #Aurangabad #Salem #Hosur #Durgapur #Guwahati #Vapi #Ankleshwar #Morbi #Thane #Belgaum #Vijayawada #Madurai #Erode #Kolhapur #Hubli #Udaipur #Raipur #Bilaspur #Agra #Varanasi #Meerut #Jodhpur #Bhavnagar

standard EN 10083-3
material alloy steel
grade 39MnCrB6-2
Length 2000 mm to 6000 mm; custom lengths available
Thickness / Diameter Range 3 mm to 300 mm
Manufactured / Supplied by Ladhani Metal Corporation

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