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EN 10083-3 alloy bars and plates

EN 10083-3 20MnB5 Alloy Steel Bar

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Description

EN 10083-3 20MnB5 is a boron-alloyed steel grade designed for applications requiring high strength, excellent hardenability, and good toughness after heat treatment. With a nominal carbon content of around 0.20% and the addition of boron, manganese, and chromium, 20MnB5 steel achieves significantly improved hardenability compared to conventional carbon steels. Supplied in bar and plate form, EN 10083-3 20MnB5 alloy steel is widely used in automotive, forging, and mechanical engineering applications. This grade is manufactured in accordance with EN 10083-3, which specifies technical delivery conditions for quenched and tempered alloy steels. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of EN 10083-3 20MnB5 alloy steel bars and plates. 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 (20MnB5): • 20 – Approx. 0.20% 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): 0.17 – 0.23 • 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: 800 – 1000 MPa • Yield Strength: ≥ 600 MPa • Elongation: ≥ 12% • Hardness: 230 – 300 HB (after heat treatment) Key Features: • Boron alloy steel with excellent hardenability • High strength and good toughness after quenching and tempering • Uniform mechanical properties across bars and plates • Suitable for hot forging and press hardening • Cost-effective alternative to higher alloy steels Material Characteristics: EN 10083-3 20MnB5 alloy steel in bar and plate form offers a strong combination of strength, toughness, and hardenability due to its boron addition and controlled alloy content. It responds very well to heat treatment, enabling high and uniform hardness even in thicker sections, making it ideal for safety-critical and load-bearing components. Applications: • Automotive structural and safety components • Forged parts and press-hardened components • Shafts, axles, and suspension parts • High-strength plates for fabricated components • Heavy engineering and industrial applications Conclusion: Ladhani Metal Corporation supplies high-quality EN 10083-3 20MnB5 alloy steel bars and plates in relevant industrial forms with consistent quality and reliable performance. With excellent hardenability, high strength after heat treatment, and proven performance in automotive and forging applications, 20MnB5 alloy steel is a dependable choice for demanding 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

standard EN 10083-3
material alloy steel
grade 20MnB5
Length 3000 mm to 6000 mm; random and custom cut lengths available
Thickness / Diameter Range 5 mm to 300 mm
Manufactured / Supplied by Ladhani Metal Corporation

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