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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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ASTM A734 / A734M Alloy Steel Plates are high-strength alloy steel plates designed for pressure vessel and structural applications requiring excellent strength, toughness, weldability, and reliable performance under demanding service conditions. These plates are widely used in pressure vessels, boilers, petrochemical plants, power generation equipment, storage tanks, and heavy engineering applications where superior mechanical properties and structural integrity are essential. Manufactured in accordance with ASTM A734 / A734M, this specification covers alloy steel plates intended for pressure vessel and structural applications. The standard ensures controlled chemical composition, mechanical properties, heat treatment requirements, dimensional tolerances, and dependable performance in demanding industrial environments. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of ASTM A734 / A734M Alloy Steel Plates, supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply (as per specification): Alloy steel plates, Pressure vessel plates, Structural steel plates, Hot rolled plates, Heavy thickness plates, Heat-treated steel plates, Weldable steel plates, Industrial steel plates, Boiler quality plates, Cut-to-size plates, Fabricated plates Available Grades (as per ASTM A734 / A734M): Grade A, Grade B Scope of Specification: • Covers alloy steel plates for pressure vessel and structural applications • Suitable for welded fabrication and heavy engineering service • Provides excellent strength, toughness, and weldability • Available in heat-treated conditions as specified Typical Chemical Composition (Grade A Example): • Carbon (C): Max 0.20% • Manganese (Mn): 0.80 – 1.50% • Silicon (Si): 0.15 – 0.40% • Phosphorus (P): Max 0.035% • Sulphur (S): Max 0.035% • Alloying Elements: Added as required to achieve specified mechanical properties Mechanical Properties (Grade A Example): • Tensile Strength: 550 – 690 MPa • Yield Strength: Min 345 MPa • Elongation: Min 18% • Excellent toughness and impact resistance • Suitable for welding and heavy fabrication applications Key Features: • High strength and structural integrity • Excellent weldability and fabrication characteristics • Good toughness and durability • Reliable performance in pressure vessel applications • Suitable for demanding industrial environments Material Characteristics: ASTM A734 / A734M alloy steel plates provide an excellent combination of strength, toughness, weldability, and durability. The controlled alloy composition and heat treatment process ensure consistent mechanical properties and dependable performance in pressure-retaining and heavy structural applications. Applications: • Pressure vessels • Boilers and steam systems • Petrochemical processing equipment • Storage tanks • Power generation equipment • Heavy engineering structures • Industrial fabrication Conclusion: Ladhani Metal Corporation supplies high-quality ASTM A734 / A734M Alloy Steel Plates in Grade A and Grade B with various thicknesses, widths, and customized specifications. With excellent strength, toughness, weldability, and pressure vessel performance, these plates are widely used in petrochemical, boiler, power generation, heavy engineering, and industrial processing applications. For stock availability, customized sizes, or technical details, contact Ladhani Metal Corporation. #ASTMA734 #ASTMA734M #ASTMA734AlloySteelPlate #ASTMA734SteelPlate #ASTMA734PressureVesselPlate #ASTMA734PressureVesselSteel #ASTMA734AlloySteel #ASTMA734HeatTreatedSteel #ASTMA734QuenchedAndTemperedSteel #ASTMA734HighStrengthSteel #ASTMA734HeavyPlate #ASTMA734SteelSheets #ASTMA734IndustrialSteel #ASTMA734EngineeringSteel #ASTMA734SteelProducts #ASTMA734PlateSupplier #ASTMA734Manufacturer #ASTMA734Exporter #ASTMA734Stockist #ASTMA734Dealer #ASTMA734SteelDistributor #ASTMA734MechanicalProperties #ASTMA734ChemicalComposition #ASTMA734FabricationSteel #ASTMA734WeldableSteel #ASTMA734PressureEquipmentSteel #ASTMA734IndustrialApplications #ASTMA734SteelManufacturer #ASTMA734PlateExporter #ASTMAlloySteelPlate #PressureVesselSteelPlate #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur

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