Special Tool Steel Round Bar AISI8620 DIN1.6523 GB20CrNiMo
Pre-hardened HRC28-32
Product Introduction
20CrNiMo is one of alloy construture steel according to Chinese
Standard. Standard Code: A50202. The steel round bar is high
hardenability, without fragility after tempering,good
weldability.Nice machinability and Cold strain plasticity.
Features
1. 1 Good machinability performance
2. 2. Good Cold strain plasticity
3. 3. Good weldability
4. 4. High hardenability
Similar Standards
| Grades |
| Chinese | American | German | Japanese |
| GB | AISI | DIN | JIS |
| 20CrNiMo | SAE8620 | 1.6523 | / |
Chemical Composition
| Chemical Analysis |
| Grades | C | Si | Mn | P | S | Cr | Mo | Cu | Ni |
| 20CrNiMo | 0.17-0.23 | 0.17-0.37 | 0.6-.95 | ≤0.035 | ≤0.035 | 0.4-.7 | 0.20～0.30 | ≤0.30 | / |
Mechanical Properties
| Queching Temperature(℃):850；Cold Media:oil |
| Tempering(℃):200；Cold Media:air |
| Tensile strength σb (MPa):≥980(100) |
| Yield strengthσs (MPa):≥785(80) |
| Elongationδ5 (%):≥9 |
| Reduction of area ψ (%):≥40 |
| Akv (J):≥47 |
General Applications
Widely used for stransmission system,motor of tractor and
middle-small auto. Alternative 12CrNi3 to make higher class
carburization and cyanide carburizing parts such as oil
drilling,claws and cone for mining.
Stock Size
round bar | Diameter | 12-280mm |
Sizes and Conditions
Our steel materials are in different sizes and conditions specially
catered to our customers' needs. They come in round bars, flat
bars, plates and blocks.
The conditions of the materials vary from pre-hardened, hot
rolled,annealed, quenched and tempered to surface conditions such
as black, pre-machined,griding and polish.
Why choose us?
Quality Assurance from government owned steel mills
At die & tool steel , we meticulously source materials only from
steel manufacturers to ensure consistency in providing the finest
quality steel products for our customers.
Being in the competitive market today, we clearly understand that
customers are looking for products that are not only best in class
but also affordably priced. We are confident that we are able to
ful fil these two equally vital aspects –our customers' continuous
support over the past two decades is the most heartfelt recognition
to us.
Speedy and Timely Delivery
Knowing that delivering goods to customers' hands on time is as
important as providing quality goods, we treat every business
transaction as a priority. Be it a raw material or a finished
material with machining or heat treatment, every effort will be
made to get your purchase order to you in the shortest lead time.
Quality Commitment
In order to realise competitive products to fulfil our customers'
demands and quality considerations, our integrated quality and work
management system is continuously being improved and developed
further. We document this for our customers by having our quality
management system certified in accordance with ISO 9001. This
measure is accompanied by audits and recertification's on a
regularly prescribed basis.
Our service
We provide quality special steel for all industries.
Orders of any size, any length, ship fast
We carry a unique inventory of specialty special steel
Provide related value-adding services :
metal cutting, sizing, machining (blanking, milling, grinding), and
heat treatment.
Sawing for small or large quantities, sawing-to-size.
Excellent customer service
