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China factory - JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

  • China,Wuxi ,Jiangsu
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  3. SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD

  1. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  2. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  3. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  4. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  5. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  6. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD
  7. China SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD

SAE 8620 Alloy Steel Round Bar with High Hardenability, Good Weldability, and OD

  1. MOQ： 1 Ton
  2. Price： US $750-1,150 / Ton
  3. Get Latest Price
Model NO. SNCM220
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

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  1. Product Details
  2. Company Details

Product Specification

Model NO. SNCM220 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
High Light High Hardenability Alloy Steel Round Bar ，Good Weldability SAE 8620 Round Bar ，OD 6-630mm 1.6523 Steel Bar
Alloy AISI SAE 8620 Steel 1.6523 21NiCrMo2 Sncm220 Round Bar
SAE 8620H Alloy Round Bar is a low carbon nickel chromium molybdenum alloy steel with excellent carburized properties, formability, and weldability. This widely used carburizing alloy offers high strength case and core toughness due to its nickel content, while chromium and molybdenum provide superior surface hardness and wear resistance.
Key Features
Excellent machinability performance
Superior cold strain plasticity
Good weldability characteristics
High hardenability without fragility after tempering
International Standards Equivalents
Chinese (GB) American (AISI) German (DIN) Japanese (JIS)
20CrNiMo SAE 8620 1.6523 /
Chemical Composition
Element Content Range (%)
Carbon (C) 0.17-0.23
Silicon (Si) 0.17-0.37
Manganese (Mn) 0.6-0.95
Phosphorus (P) ≤0.035
Sulfur (S) ≤0.035
Chromium (Cr) 0.4-0.7
Molybdenum (Mo) 0.20-0.30
Copper (Cu) ≤0.30
Mechanical Properties
Heat Treatment:
Quenching Temperature: 850°C (oil cooled)
Tempering: 200°C (air cooled)
Property Value
Tensile Strength (σb) ≥980 MPa (100 kgf/mm²)
Yield Strength (σs) ≥785 MPa (80 kgf/mm²)
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 components. Serves as an alternative to 12CrNi3 for high-class carburization and cyanide carburizing parts including oil drilling equipment, mining claws, and cones.
Carburized gears and pinions
Shafts and bearings
Piston rings and ring gears
Crankshafts and transmission components
Available Stock Sizes
Round Bar Diameter: 12-380mm
Material Conditions & Forms
Available in various forms including round bars, flat bars, plates, and blocks. Material conditions range from pre-hardened, hot rolled, annealed, to quenched and tempered. Surface conditions include black, pre-machined, grinding, and polished finishes.
Quality Assurance
We source materials 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.
Our Services
Quality special steel for all industrial applications
Orders of any size and length with fast shipping
Unique inventory of specialty steel products
Value-added services: metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment
Sawing services for small or large quantities
Excellent customer service and support
Product Gallery
SAE 8620 alloy steel round bar inventory Close-up view of 8620 steel bar surface finish 8620 steel round bar material testing SAE 8620 steel bar manufacturing process 8620 alloy steel bar quality inspection Packaged 8620 steel round bars ready for shipment

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Total Annual:

    >1000000

  • Employee Number:

    >100

  • Ecer Certification：

    Verified Supplier

Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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Get in touch with us

  • Reach Us
  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
  • No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
  • https://www.stainless-strips.com/

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