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{"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"}}
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Quenched and tempered steel bar with diameters ranging from 10-350mm, ideal for demanding industrial applications.
Product Overview
20CrNiMoA SAE8620H steel round rod is a hot rolled alloy bar designed for chemical and mechanical applications. This low carbon nickel chromium molybdenum alloy offers excellent carburized properties, formability, and weldability, making it one of the most widely used carburizing alloys in industry.
Key Features
Excellent machinability performance
Superior cold strain plasticity
Good weldability characteristics
High hardenability without post-tempering fragility
International Standards Equivalents
Chinese
American
German
Japanese
GB 20CrNiMo
SAE 8620
DIN 1.6523
JIS SCM220
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 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. Commonly specified for carburized gears, pinions, shafts, bearings, piston rings, ring gears, and crankshafts.
Available Stock Sizes
Round bar diameters: 12-380mm. Available in various conditions including pre-hardened, hot rolled, annealed, quenched and tempered, with surface conditions ranging from black, pre-machined, grinding, to polished finishes.
Why Choose Our Steel Products
Quality Assurance
We source materials exclusively from government-owned steel mills to ensure consistent quality and reliability in every product we supply.
Reliable Delivery
We prioritize timely delivery for all business transactions, ensuring your materials arrive when you need them, whether raw or finished with machining or heat treatment.
Quality Commitment
Our ISO 9001 certified quality management system undergoes regular audits and recertification to maintain the highest standards and meet customer demands.
Comprehensive Services
Quality special steel for all industrial applications
Orders of any size or length with fast shipping
Unique inventory of specialty steel products
Value-added services including metal cutting, sizing, machining, and heat treatment
Sawing services for small or large quantities
Excellent customer service support
Product Images
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...
