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EN 10083-3 alloy bars and plates

EN 10083-3 33MnCrB5-2 Alloy Steel Bar

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Description

EN 10083-3 33MnCrB5-2 is a boron-alloyed manganese-chromium steel grade developed for applications requiring high strength, excellent hardenability, and reliable toughness after quenching and tempering. The controlled addition of boron (B) significantly improves hardenability, enabling deep and uniform hardening even in medium to large cross-section bars. With a nominal carbon content of approximately 0.33%, along with manganese and chromium as the primary alloying elements, 33MnCrB5-2 steel offers a strong combination of strength, wear resistance, and fatigue performance. 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 33MnCrB5-2 alloy steel bars, supplied with certified mill test certificates and strict quality control. 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 (33MnCrB5-2): • 33 – Approx. 0.33% carbon content • Mn – Manganese for improved strength and hardenability • Cr – Chromium for enhanced wear resistance and deeper hardening • B – Boron for significantly increased hardenability • 5-2 – Indicates alloying content range as per EN standard Chemical Composition (% – typical limits): • Carbon (C): 0.30 – 0.36 • Manganese (Mn): 1.10 – 1.40 • 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: 900 – 1100 MPa • Yield Strength: ≥ 700 MPa • Elongation: ≥ 10 – 12% • Hardness: 260 – 330 HB (depending on heat treatment and section size) Key Features: • Boron-alloyed steel with superior hardenability • Higher strength due to increased carbon content • Uniform mechanical properties across larger sections • Good fatigue and wear resistance • Suitable for demanding heat-treated applications Material Characteristics: EN 10083-3 33MnCrB5-2 alloy steel bar provides enhanced hardenability through boron addition, ensuring deep hardening capability and consistent mechanical properties. It combines high strength with adequate toughness, making it suitable for dynamically loaded components. Applications: • Automotive suspension and drivetrain components • Shafts and axles • Gears and transmission parts • High-strength fasteners and bolts • Agricultural and heavy-duty machinery components Conclusion: Ladhani Metal Corporation supplies premium quality EN 10083-3 33MnCrB5-2 alloy steel bars in various sizes and finishes to meet industrial and automotive requirements. With high strength, enhanced hardenability, and reliable performance after heat treatment, 33MnCrB5-2 steel bars are an excellent choice for 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 33MnCrB5-2
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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