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{"title":"AISI 8620 Steel Bar with High Hardenability, Good Weldability, and Cold Strain","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/8a\/b39510b44a5866efa97042c98a43-200x200-1\/aisi_8620_steel_bar_with_high_hardenability_2c_good_weldability_2c_and_cold_strain.jpg","attrs":{"Minimum Order Quantity":"1 Ton","Price":"US $850-1,350 \/ Ton","Model Number":"1.6523 \/ DIN 21NiCrMo2","Surface Treatment":"Polished"}}
{"title":"ASTM A29\/A29m Hot Rolled Alloy Steel Round Bars SAE4340 10-350mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/a1\/eb9afbd48509c13f9c6fa7b71d79-200x200-1\/astm_a29_2fa29m_hot_rolled_alloy_steel_round_bars_sae4340_10_350mm.jpg","attrs":{"Brand Name":"DELTA","Model Number":"SAE4340","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA Alloy Steel Round Bar Diameter 10 - 300mm Custom Cutting in Length","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/8f\/c374af89362ac900e00ce51f86b6-200x200-1\/25cr2mova_alloy_steel_round_bar_diameter_10_300mm_custom_cutting_in_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
{"title":"EN DIN Standard 41CrAlMo7 Alloy Steel Round Bar Diameter 10 - 350mm SCM645 Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/8a\/f384d75ceea894a15b4f1ea6423b-200x200-1\/en_din_standard_41cralmo7_alloy_steel_round_bar_diameter_10_350mm_scm645_alloy.jpg","attrs":{"Brand Name":"DELTA","Model Number":"41CrAliMo7","Certification":"ISO","Place of Origin":"China"}}
{"title":"25Cr2MoVA \/ DIN1.8159 Alloy Steel Round Bar Hot Rolled Diameter 20 - 350mm in 6m","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/19\/5e678c170e39068beeabe330b547-200x200-1\/25cr2mova_2f_din1_8159_alloy_steel_round_bar_hot_rolled_diameter_20_350mm_in_6m_length.jpg","attrs":{"Brand Name":"DELTA","Model Number":"DIN 1.8159 (25CrMoV6-4) \/ 25Cr2MoVA","Certification":"ISO","Place of Origin":"China"}}
{"title":"EN 1.8507 (34CrAlMo5-10) Nitriding Steel Round Bar Diameter 10 - 300mm Custom","imgUrl":"https:\/\/img.chinax.com\/nimg\/25\/c9\/4f41b121bc96fda3bc795edf2de2-200x200-1\/en_1_8507_2834cralmo5_10_29_nitriding_steel_round_bar_diameter_10_300mm_custom_cutting.jpg","attrs":{"Brand Name":"DELTA","Model Number":"34CrAlMo5-10 \/ 1.8507","Certification":"ISO","Place of Origin":"China"}}
SAE8620H Alloy Round Bar (UNS G86200) is a high-quality alloy construction steel offering excellent hardenability, machinability, and weldability. This low carbon nickel chromium molybdenum alloy provides superior carburized properties and formability.
Key Features
Excellent machinability performance
Superior cold strain plasticity
Outstanding weldability
High hardenability without fragility after tempering
International Standards Equivalents
Chinese (GB)
American (AISI)
German (DIN)
Japanese (JIS)
20CrNiMo
SAE8620
1.6523
/
Chemical Composition
Element
Content (%)
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
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 components. 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, and crankshafts.
Available Stock Sizes
Round Bar Diameter: 12-380mm
Material Conditions & Forms
Available in round bars, flat bars, plates, and blocks. Various conditions include pre-hardened, hot rolled, annealed, quenched and tempered. Surface conditions range from black, pre-machined, grinding, to polished finishes.
Priority treatment for all orders with shortest possible lead times for both raw and finished materials.
ISO 9001 Certified
Continuous improvement of integrated quality management system with regular audits and recertification.
Value-Added Services
Metal cutting and sizing
Machining (blanking, milling, grinding)
Heat treatment services
Sawing for small or large quantities
Sawing-to-size capabilities
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...