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SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
Specifications
MOQ :
1 Ton
Price :
US $850-1,350 / Ton
Model NO. :
SAE8620H
Surface Treatment :
Polished
Alloy Type :
Alloy
Diameter Range :
OD 6-630mm
Production Capacity :
500tons
Carbon Content :
0.17-0.23
Silicon Content :
0.17-0.37
Manganese Content :
0.6-0.95
Phosphorus Content :
≤0.035
Sulfur Content :
≤0.035
Chromium Content :
0.4-0.7
Molybdenum Content :
0.20-0.30
Copper Content :
≤0.30
Tensile Strength :
≥980(100) MPa
Yield Strength :
≥785(80) MPa
Description
SAE8620H Alloy Steel Round Bar
SAE8620H is a high-quality alloy construction steel round bar with excellent hardenability, non-brittle characteristics after tempering, superior weldability, and outstanding machinability and cold strain plasticity. This low-carbon nickel chromium molybdenum alloy offers exceptional carburized properties, formability, and weldability, making it the most widely used carburizing alloy steel in industrial applications.
Key Features
  • Excellent machinability performance
  • Superior cold strain plasticity
  • Outstanding weldability characteristics
  • High hardenability for enhanced performance
International Standards Equivalents
Chinese (GB) American (AISI) German (DIN) Japanese (JIS)
20CrNiMo SAE8620 1.6523 /
Chemical Composition
Element C Si Mn P S Cr Mo Cu Ni
20CrNiMo 0.17-0.23 0.17-0.37 0.6-0.95 ≤0.035 ≤0.035 0.4-0.7 0.20-0.30 ≤0.30 /
Mechanical Properties
Property Value
Quenching Temperature 850°C (oil cooled)
Tempering 200°C (air cooled)
Tensile Strength (σb) ≥980 MPa (100)
Yield Strength (σs) ≥785 MPa (80)
Elongation (δ5) ≥9%
Reduction of Area (ψ) ≥40%
Impact Energy (Akv) ≥47 J
Typical Applications
Widely used in transmission systems, tractor motors, and small to medium automotive applications. Serves as an alternative to 12CrNi3 for high-class carburization and cyanide carburizing parts including oil drilling equipment, mining claws, and cones. Commonly specified for carburized gears, pinions, shafts, bearings, piston rings, ring gears, crankshafts, and other critical components.
Available Stock Sizes
Product Form Diameter Range
Round Bar 12-380mm
Material Conditions & Forms
Available in various forms including round bars, flat bars, plates, and blocks. Material conditions include pre-hardened, hot rolled, annealed, quenched and tempered, with surface finishes ranging from black, pre-machined, ground, to polished surfaces.
Quality & Service Advantages
Quality Assurance
Materials are sourced exclusively from government-owned steel mills to ensure consistent quality and reliability. Our ISO 9001 certified quality management system undergoes regular audits and recertification to maintain the highest standards.
Delivery Performance
We prioritize timely delivery for all business transactions, ensuring both raw materials and finished products with machining or heat treatment reach customers in the shortest possible lead times.
Value-Added Services
Comprehensive processing services including metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and sawing for both small and large quantities. We accept orders of any size and length with fast shipping capabilities.
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
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SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability

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Product Detail
MOQ :
1 Ton
Price :
US $850-1,350 / Ton
Model NO. :
SAE8620H
Surface Treatment :
Polished
Alloy Type :
Alloy
Diameter Range :
OD 6-630mm
Contact Supplier
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability
SAE8620H Alloy Steel Round Bar with Polished Surface, High Hardenability, and Good Weldability

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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