EN 10083-3 38MnB5 is a boron-alloyed steel grade intended for applications requiring very high strength, excellent hardenability, and good toughness after heat treatment. With a nominal carbon content of around 0.38% and controlled additions of manganese and boron, 38MnB5 steel achieves superior hardenability and higher achievable strength compared to lower carbon boron steels. Supplied in bar form, EN 10083-3 38MnB5 alloy steel is widely used in automotive, forging, and heavy engineering applications where high load-bearing capacity is required. 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 reliable manufacturer, supplier, and exporter of EN 10083-3 38MnB5 alloy steel bars. Our materials are sourced from approved mills and supplied with controlled chemical composition, consistent mechanical properties, and precise dimensional accuracy as per EN 10083-3 requirements. Forms of Supply (as per grade): Hot rolled round bar, black round bar, forged bar, peeled bar, bright round bar, square bar, flat bar, hot rolled plates, quenched and tempered plates Explanation of Designation (38MnB5): • 38 – Approx. 0.38% carbon content • Mn – Manganese alloying element for strength and hardenability • B – Boron addition for enhanced hardenability • 5 – Indicates alloying content range as per EN standard Chemical Composition (% – typical limits): • Carbon (C): 0.35 – 0.42 • Manganese (Mn): 1.10 – 1.40 • Silicon (Si): ≤ 0.40 • Boron (B): 0.0008 – 0.0050 • Chromium (Cr): ≤ 0.40 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.035 Mechanical Properties (Typical, quenched & tempered): • Tensile Strength: 900 – 1100 MPa • Yield Strength: ≥ 700 MPa • Elongation: ≥ 10% • Hardness: 260 – 330 HB (after heat treatment) Key Features: • Boron alloy steel with very high hardenability • Very high strength and good toughness after quenching and tempering • Uniform mechanical properties across large bar and plate sections • Suitable for hot forging, induction hardening, and press hardening • Cost-effective alternative to higher alloy steels for heavy-duty parts Material Characteristics: EN 10083-3 38MnB5 alloy steel in bar and plate form offers an excellent balance of strength, toughness, and hardenability due to its higher carbon content and controlled boron addition. It responds extremely well to heat treatment, achieving high and uniform hardness even in thick sections, making it ideal for heavily stressed and safety-critical components. Applications: • Automotive structural and safety-critical components • Forged and press-hardened parts • Shafts, axles, and drive components • High-strength plates for fabricated assemblies • Heavy engineering and industrial machinery components Conclusion: Ladhani Metal Corporation supplies high-quality EN 10083-3 38MnB5 alloy steel bars and plates in relevant industrial forms with consistent quality and reliable performance. With excellent hardenability, very high strength after heat treatment, and proven performance in demanding automotive and forging applications, 38MnB5 alloy steel is a dependable choice for high-load engineering requirements. For size availability, technical specifications, or customized 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
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