JIS SKS7 Oil-Hardening Cold Work Tool Steel
Products Description JIS SKS7 Oil-Hardening Cold Work Tool Steel JIS SKS7 oil-hardening cold work tool steel is a remarkable material that offers a unique combination of properties, making it highly sought after in various industrial applications. This steel is known for its exceptional...
Description
Products Description
JIS SKS7 oil-hardening cold work tool steel is a remarkable material that offers a unique combination of properties, making it highly sought after in various industrial applications. This steel is known for its exceptional hardness, toughness, and wear resistance, which enable it to withstand the rigors of demanding manufacturing processes.
The oil-hardening characteristic of JIS SKS7 steel gives it several advantages. When quenched in oil, the steel undergoes a rapid cooling process that results in a fine-grained microstructure with high hardness. This hardening process imparts excellent wear resistance, allowing the steel to maintain its sharp edge and resist abrasion even under heavy use.
JIS G4404 SKS7 chemical composition %
|
Grade |
C |
Si max |
Mn max |
P max |
S max |
Ni |
Cr |
W |
V |
Cu max |
|
SKS7 |
1.10-1.20 |
0.35 |
0.50 |
0.030 |
0.030 |
0.25 max |
0.20-0.50 |
2.00-2.50 |
- |
0.25 |
JIS G4404 SKS7 tool steel hardness in the hardened and tempered condition
| Grade |
Annealed hardness |
Quenched and tempered hardness of test piece |
|||
|
Temperature ℃ |
HB max |
Quenching temperature℃ |
Tempering temperature℃ |
Hardness HV min |
|
|
SKS7 |
750-800 slow cooling |
217 |
860 oil cooling |
180 air cooling |
746 |
JIS SKS7 oil-hardening cold work tool steel is also known for its good machinability. It can be easily machined using conventional machining methods, although proper tooling and techniques may be required due to its hardness. This makes it convenient for manufacturers to fabricate complex tooling designs with high precision.
The chemical composition of JIS SKS7 steel is carefully balanced to achieve its desired properties. It typically contains a combination of carbon, chromium, tungsten, and vanadium, among other elements. These elements contribute to the steel's hardness, wear resistance, and toughness.
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