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  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
    Raian Ionescu
    Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Contact Person : Gao Ben
Phone Number : 18068357371
Whatsapp : +8618068357371

Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications

  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
  • Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications
Minimum Order Quantity 1 Ton
Price US $720-1,350 / Ton
Product Details
Diameter Range 6-630mm Material SAE8620 Alloy Steel
Standard Code A50202 Density 7.86 G/cm3
Modulus Of Elasticity 210 X 103 N/mm2 Tensile Strength ≥980 MPa
Yield Strength ≥785 MPa Elongation ≥9%
Reduction Of Area ≥40% Impact Energy ≥47 J
Forging Temperature 1150-850oC Quenching Temperature 850oC
Tempering Temperature 200oC Case Hardening Temp 880-980oC
Carburizing Temp 880-980oC
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Polished Surface SAE8620 Alloy Steel Round Bar

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High Hardenability 1.6523 Steel Round Bar

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Good Weldability 20NiCrMo2 Alloy Steel Bar
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Product Description
SAE8620 Alloy Steel Round Bar
SAE8620H alloy steel round bar is a low carbon nickel chromium molybdenum alloy with excellent carburizing properties, formability, and weldability. This widely used carburizing alloy offers high strength case and core toughness, supported by chromium and molybdenum for superior surface hardness and wear resistance.
Key Features
  • Excellent machinability performance
  • Superior cold strain plasticity
  • Good weldability characteristics
  • High hardenability properties
International Standards Equivalents
Brand Name Ravne No. Mat. No. DIN EN AISI
20NCD2 769 1.6523 21NiCrMo2 20NiCrMo2 8620
Chemical Composition (Weight %)
C Si Mn Cr Mo Ni V W Others
0.20 max. 0.40 0.80 0.53 0.20 0.55 - - -
20NCD2 is a hardenable chromium, molybdenum, nickel low alloy steel designed for carburizing to develop case-hardened parts with excellent wear characteristics.
Physical Properties
Modulus of elasticity: 210 × 10³ N/mm²
Density: 7.86 g/cm³
Heat Treatment Specifications
Treatment Temperature Cooling
Case hardening 880-980°C Oil (water), hot bath 160-250°C
Carburising 880-980°C Oil (water), hot bath 160-250°C
Direct hardening 880-980°C Oil, hot bath 160-250°C
Core refining 860-900°C Oil, hot bath 160-250°C
Core refining 780-820°C Oil, hot bath 160-250°C
Tempering 150-200°C Air
Mechanical Properties
Quenching Temperature: 850°C (oil cooled)
Tempering: 200°C (air cooled)
Tensile strength: ≥980 MPa
Yield strength: ≥785 MPa
Elongation: ≥9%
Reduction of area: ≥40%
Impact energy: ≥47 J
Applications
Gears, shafts, bearings, piston rings, ring gears, crankshafts, and other applications requiring hard carburized case with tough core. Widely used in transmission systems, tractor motors, and automotive components.
Available Sizes
Round bar diameter: 12-380mm
Available in various conditions: pre-hardened, hot rolled, annealed, quenched and tempered
Quality Assurance & Services
Quality Commitment
Materials sourced exclusively from certified steel manufacturers with ISO 9001 quality management system certification for consistent product quality.
Value-Added Services
  • Metal cutting and sizing
  • Machining (blanking, milling, grinding)
  • Heat treatment services
  • Sawing for small or large quantities
  • Sawing-to-size capabilities
Delivery & Support
Speedy and timely delivery with excellent customer service. Orders of any size and length processed efficiently with competitive lead times.
Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 0 Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 1 Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 2 Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 3 Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 4 Polished Surface SAE8620 Alloy Steel Round Bar with High Hardenability and Good Weldability for Mechanical Applications 5
Disclaimer: The information presented represents typical or average values and is not a guarantee of maximum or minimum values. Applications suggested are for illustration purposes only and are not intended as warranties of fitness for specific purposes.
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